{"title":"Solar Telescopes","description":"\u003cdiv\u003e\n  \u003cp\u003e\n    A dedicated solar telescope shows a star in motion. Prominences arc off the limb and change shape within an hour, filaments snake across the disc, and active regions reorganize between one afternoon and the next — all visible in daylight, from a city, without waiting for dark. David Astro carries solar telescopes in Canada, in stock and shipped from our Canadian warehouse.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    Aperture, blocking filter size and whether you plan to observe or image all shape the right choice. Tell us your intentions and we will specify accordingly.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- more --\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eDedicated Solar Instruments\u003c\/h2\u003e\n  \u003cp\u003e\n    A hydrogen-alpha telescope is not a normal telescope with a filter. The etalon, the blocking filter and the optics are designed together for a single wavelength.\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHydrogen-alpha telescopes:\u003c\/strong\u003e Complete instruments isolating the 656.28 nm line to a fraction of an angstrom, revealing chromospheric detail invisible in white light.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAperture and resolution:\u003c\/strong\u003e Larger apertures resolve finer filament and prominence structure, though daytime seeing frequently limits what is achievable regardless.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBlocking filter size:\u003c\/strong\u003e Determines usable field. Smaller blocking filters suit visual use and small sensors; full-disc imaging with a large sensor needs a larger one.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTuning mechanisms:\u003c\/strong\u003e Tilt or pressure tuning shifts the passband slightly, letting you optimize for surface detail or limb prominences during a session.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDouble-stacking:\u003c\/strong\u003e A second etalon narrows the band further, greatly increasing surface contrast at the cost of brightness and price.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCalcium-K instruments:\u003c\/strong\u003e Filters at 393 nm showing the plage network, essentially an imaging wavelength since human eyes respond poorly there.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eWhy Choose David Astro for Solar Telescopes\u003c\/h2\u003e\n  \u003cp\u003e\n    This is a category where specification errors are expensive and safety errors are worse.\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBlocking filter sized to your camera:\u003c\/strong\u003e If full-disc imaging is the goal, the blocking filter must pass the whole field. We check this against your sensor before you order.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVisual versus imaging guidance:\u003c\/strong\u003e The best visual instrument and the best imaging instrument are not always the same, and we will explain the difference for your budget.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenuine equipment only:\u003c\/strong\u003e As an authorized dealer we supply manufacturer product with full warranty, which is a safety matter in solar equipment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCanadian stock:\u003c\/strong\u003e Ships from Canada with no duties or brokerage fees for Canadian orders.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInspection and service:\u003c\/strong\u003e In-house checks on blocking filters and etalon condition, and support with tuning.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eSolar Telescopes in Canada — Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003e\u003cstrong\u003eHow small a solar telescope is worthwhile?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eEven a 40 to 50 mm hydrogen-alpha telescope shows prominences and major filaments clearly, and its full-disc view is excellent. Larger apertures add fine surface detail when seeing allows.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eCan I image the full disc?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eOnly if the blocking filter and the telescope's focal length suit your sensor size. Tell us your camera and we will confirm whether full disc fits or whether you will be mosaicking.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eIs daytime seeing a problem?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eOften the limiting factor. Ground heating creates turbulence, so observing over grass rather than pavement and earlier in the day usually gives noticeably better results.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eDo these need a special mount?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eAny stable tracking mount works, and tracking is very helpful at higher magnification. Alt-azimuth is entirely adequate for visual solar observing since field rotation does not matter.\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n  \u003ch2\u003eObserving the active Sun?\u003c\/h2\u003e\n  \u003cp\u003eTell us whether you will observe or image and we will specify aperture and blocking filter. In stock and shipping from Canada.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"daystar-scout-60mm-ds-solar-telescope","title":"Daystar Scout 60mm DS Solar Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e60mm Dedicated Solar Telescope\u003c\/li\u003e\n\u003cli\u003eIntegrated Double-Stack Etalon System\u003c\/li\u003e\n\u003cli\u003eHigh-Contrast Hydrogen-Alpha Views\u003c\/li\u003e\n\u003cli\u003ePrecision Front Helical Focuser\u003c\/li\u003e\n\u003cli\u003eIntegrated Solar Bullet Finder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eDaystar Scout 60mm DS Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Scout 60mm DS Solar Telescope is an all-in-one instrument designed for high-contrast views of the Sun's chromosphere in hydrogen-alpha light. By integrating a 60mm objective with a narrow, double-stack bandpass filter system, this telescope delivers sharp, detailed images of solar prominences, filaments, and surface granulation right out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e60mm Double-Stack Optics: High-Contrast Prominences and Surface Detail\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the Scout 60mm DS is its double-stack etalon, which provides a very narrow bandpass for maximum contrast. This design significantly darkens the solar disk, making faint prominences at the limb and intricate filamentary structures on the surface pop with startling clarity. The 60mm aperture gathers enough light for bright, satisfying views for both visual observation and imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePrecision Helical Focuser: Zero Slip and Zero Eyepiece Rotation\u003c\/h3\u003e\n\u003cp\u003eThe Scout 60mm DS employs a robust helical focuser at the front of the optical tube for precise, repeatable focusing. Unlike standard Crayford or rack-and-pinion designs, this focuser cannot slip under the weight of an accessory. Critically for imaging, the eyepiece and camera do not rotate as you focus, ensuring your composition remains exactly where you set it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Dedicated, All-in-One H-Alpha System\u003c\/h3\u003e\n\u003cp\u003eThis telescope is engineered as a complete, dedicated solar instrument. To streamline the design and reduce cost, the internal Quark filter component is a permanent, conjoined part of the optical assembly. This simplifies operation but means the etalon is not interchangeable. For observers wanting to use 2\" eyepieces or attach a camera via a T-adapter, optional accessories are required to expand the telescope's native configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eScout 60mm DS vs. Original SS60: An Integrated Quark Design\u003c\/h3\u003e\n\u003cp\u003eThe principal difference between the Scout 60mm DS and the original SS60 platform lies in its integrated design. While the original SS60 allowed for interchangeable Quark optical components, the DS model features a conjoined, non-interchangeable construction. This trade-off allows the Scout 60mm DS to offer double-stack views in a more accessible, all-in-one package without the need to purchase and manage separate components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the Daystar Scout 60mm DS a \"double-stack\" telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \"double-stack\" solar telescope uses two etalon filters in series. This process narrows the bandpass of light being observed, which significantly increases contrast on solar surface details like filaments and plage. The result is a more three-dimensional and detailed view of the chromosphere compared to a single-stack system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the non-rotating helical focuser on the Scout 60mm DS help when imaging a solar flare?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen you are imaging a dynamic event like a solar flare, precise framing is critical. The Scout's helical focuser adjusts focus without turning the attached camera. This means you can fine-tune focus without accidentally rotating the solar limb or the flare out of your camera's field of view, preventing lost data during crucial moments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my existing 2\" eyepieces or a DSLR camera with the Scout 60mm DS?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOut of the box, the Scout 60mm DS is configured for 1.25\" accessories. To use 2\" eyepieces or to attach a camera with a T-adapter, you will need to purchase additional, optional adapters. This allows the base model to be more compact and affordable while offering expandability for advanced users.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy isn't the Quark component on the Scout 60mm DS interchangeable?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark filter system is permanently integrated into the Scout 60mm DS as a cost-reduction and simplification measure. This \"all-in-one\" design makes the telescope easier to use and more affordable than modular systems, but it means the internal filter cannot be swapped for other wavelengths.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I safely align the Scout 60mm DS with the sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Scout 60mm DS includes an integrated \"Solar Bullet\" finder. This device safely projects a small image of the sun onto a white target screen on the back of the finder. To align the telescope, you simply move the tube until the projected solar disk is centered on the screen, ensuring the sun is in the eyepiece's field of view without ever needing to look directly at it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Scout 60mm DS suitable for observing both solar prominences and surface granulation?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is a primary strength of its double-stack design. The enhanced contrast makes it possible to see bright, detailed prominences erupting from the solar limb and simultaneously observe the fine, granular texture of the chromosphere on the main disk, all within the same view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Options\u003c\/td\u003e\n\u003ctd\u003eTelescope Only, Bundle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_Scout_60_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Telescope Only","offer_id":44967458406685,"sku":"DAY-SS60DS","price":1393.0,"currency_code":"CAD","in_stock":true},{"title":"Bundle","offer_id":44967458472221,"sku":"DAY-SS60DSB","price":1673.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-SS60DS-1__03141.1597173356.1280.1280.jpg?v=1684342441"},{"product_id":"daystar-scout-60mm-solar-telescope-chromosphere","title":"Daystar Scout 60mm Solar Telescope Chromosphere","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e60mm Aperture\u003c\/li\u003e\n\u003cli\u003eDedicated Hydrogen Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003eTargets the Sun's Chromosphere\u003c\/li\u003e\n\u003cli\u003eHelical Front-Focuser\u003c\/li\u003e\n\u003cli\u003eSolar Bullet Projection Finder\u003c\/li\u003e\n\u003cli\u003e16mm Clear Eyepiece Aperture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eDaystar Scout 60mm Solar Telescope Chromosphere\u003c\/h2\u003e\n      \u003cp\u003eThe Daystar Scout 60mm Solar Telescope is a purpose-built instrument for observing the sun's dynamic chromosphere in high-contrast Hydrogen Alpha. Its 60mm objective is fully integrated with Daystar's filtration technology, and the optical path terminates in a 16mm clear aperture for use with standard 1.25\" eyepieces.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eDedicated 60mm Optics for High-Contrast Chromosphere Views\u003c\/h3\u003e\n      \u003cp\u003eUnlike a simple front-mounted filter, the Scout 60mm is an integrated solar telescope designed from the ground up for H-alpha viewing. The 60mm aperture provides the resolution needed to resolve fine details like spicules at the solar limb and the intricate magnetic structure of plages on the solar disk. Because it is a dedicated system, all optical components are optimized for the single, narrow wavelength of Hydrogen Alpha light, delivering superior contrast for viewing filaments and prominences.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n    \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003ePrecision Focusing and Safe Solar Alignment\u003c\/h3\u003e\n      \u003cp\u003eThe Scout 60mm incorporates features designed for reliability and safety during solar observation. The helical front-focuser provides precise adjustment without slipping or rotating your eyepiece, which is critical for maintaining orientation when sketching or imaging. For alignment, the integrated Solar Bullet finder safely projects a small image of the sun onto a rear-facing white screen, allowing you to center the sun in the field of view without looking through the finder itself.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eNon-Slip Helical Focuser:\u003c\/strong\u003e Maintains focus position and prevents the eyepiece or camera from rotating during adjustment.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSolar Bullet Finder:\u003c\/strong\u003e A zero-power projection finder that offers a safe and intuitive way to locate and center the sun.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eImaging and Accessory Note:\u003c\/strong\u003e Attaching a camera via a T-adapter or using 2\" eyepieces requires optional, separately purchased accessories to reach focus.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the Daystar Scout 60mm Solar Telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Scout 60mm is designed to view the \u003cstrong\u003eSun's chromosphere\u003c\/strong\u003e in Hydrogen Alpha light. You can observe dynamic features such as \u003cstrong\u003esolar prominences\u003c\/strong\u003e (eruptions on the limb), \u003cstrong\u003efilaments\u003c\/strong\u003e (prominences seen against the solar disk), \u003cstrong\u003eplages\u003c\/strong\u003e (bright active regions), and \u003cstrong\u003espicules\u003c\/strong\u003e (jets of plasma at the edge).\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the \"Solar Bullet\" finder on the Scout 60mm work?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Solar Bullet is a safe, zero-power projection finder. It has a small pinhole at the front that projects a tiny image of the sun onto a small, white translucent screen at the back. To use it, you simply move the telescope until the bright dot is centered on the screen. This ensures the sun is in your eyepiece's field of view without you ever having to look directly at it through a finder scope.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the helical focuser on the Scout 60mm good for imaging?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the helical focuser is well-suited for basic solar imaging. Its main advantages are precision and stability. Because it does not rotate the eyepiece or camera during adjustment, it's easier to maintain the framing of your target. The non-slip design also ensures that once you achieve critical focus, it holds its position securely. Note that you will need optional adapters to attach a camera.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my 2\" eyepieces or a DSLR camera with the Scout 60mm?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eOut of the box, the Scout 60mm is configured for 1.25\" eyepieces. Using larger 2\" eyepieces or attaching a camera with a standard T-adapter will require \u003cstrong\u003eadditional, optional accessories\u003c\/strong\u003e from Daystar Filters to achieve the correct spacing and reach focus.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Scout 60mm show solar flares during an active region transit?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the Scout 60mm is capable of showing solar flares. Flares appear as intensely bright, temporary brightenings within an active region (plage). The high contrast provided by the dedicated H-alpha system makes these events stand out clearly against the surrounding chromosphere, especially during periods of high solar activity.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the view through the Scout 60mm compare to a white-light filter on a standard 60mm refractor?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe difference is dramatic. A white-light filter shows the Sun's \u003cstrong\u003ephotosphere\u003c\/strong\u003e—the visible surface—revealing only sunspots and granulation. The Daystar Scout 60mm shows the \u003cstrong\u003echromosphere\u003c\/strong\u003e, a layer of atmosphere above the photosphere. This allows you to see the dynamic, energetic phenomena like prominences, filaments, and flares that are completely invisible in white light.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated Hydrogen Alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTarget Layer\u003c\/td\u003e\n\u003ctd\u003eChromosphere\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eHelical Front-Focus, non-rotating\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFinder\u003c\/td\u003e\n\u003ctd\u003eSolar Bullet Projection Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEyepiece Aperture\u003c\/td\u003e\n\u003ctd\u003e16mm (for 1.25\" eyepieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eDaystar Scout 60mm Solar Telescope\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_Scout_60_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Default Title","offer_id":44967458603293,"sku":"DAY-SS60C","price":2233.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Scout-60mm-Solar-Telescope-1__09145.1597173140.1280.1280.jpg?v=1684342449"},{"product_id":"daystar-scout-60mm-solar-telescope-prominence","title":"Daystar Scout 60mm Solar Telescope Prominence","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e60mm Aperture\u003c\/li\u003e\n\u003cli\u003eDedicated Hydrogen Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003e\"Prominence\" Model for High-Contrast Limb Detail\u003c\/li\u003e\n\u003cli\u003eHelical Front-Focuser\u003c\/li\u003e\n\u003cli\u003eIntegrated Solar Bullet Finder\u003c\/li\u003e\n\u003cli\u003e16mm Clear Eyepiece Aperture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eDaystar Scout 60mm Solar Telescope - Prominence\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Scout 60mm Solar Telescope is a dedicated Hydrogen Alpha instrument engineered for high-contrast views of the sun's dynamic limb. Its 60mm objective gathers ample light for bright, detailed images of erupting prominences, while the optical path features a 16mm clear aperture to ensure unvignetted views with standard 1.25\" eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Dedicated 60mm Optic for Hydrogen-Alpha Prominences\u003c\/h3\u003e\n\u003cp\u003eUnlike addon filters, the Scout 60mm is a complete, grab-and-go solar telescope with the H-alpha etalon built directly into the optical tube. This integrated design is permanently aligned and optimized for solar observation. As a \"Prominence\" model, this scope is configured to deliver the brightest, highest-contrast views of solar prominences—the massive arches of plasma that erupt from the solar limb.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUser-Focused Mechanics: 16mm Aperture and Non-Rotating Helical Focuser\u003c\/h3\u003e\n\u003cp\u003eThe Scout 60mm avoids common frustrations found in entry-level scopes with its precision helical front-focuser. This mechanism achieves sharp focus without slipping or rotating your eyepiece, which is critical for keeping a diagonal in a comfortable position or maintaining the orientation of a camera. The 16mm clear eyepiece aperture provides a generous, un-vignetted field for most 1.25\" Plössl and wide-field eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSafe Solar Targeting with the Solar Bullet Finder\u003c\/h3\u003e\n\u003cp\u003eSafely aiming a telescope at the sun is the first and most critical step in solar observing. The Scout 60mm incorporates Daystar's \"Solar Bullet\" finder, a simple but highly effective projection-based system. This finder projects a small point of light onto a white target screen; when the point is centered on the target, the sun is in the eyepiece's field of view, eliminating any need to look directly through a finder scope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eScout 60mm Prominence vs. Chromosphere Models: What's the Trade-off?\u003c\/h3\u003e\n\u003cp\u003eDaystar offers solar telescopes in two main configurations, and choosing the right one depends on your primary observing target. This Scout 60mm is a Prominence model, which has a slightly wider bandpass.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProminence Models (This Scope):\u003c\/strong\u003e Excel at showing the fainter, more delicate structures of solar prominences against the blackness of space. The view is typically brighter, making these features stand out dramatically.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromosphere Models:\u003c\/strong\u003e Use a narrower bandpass to increase contrast on the sun's surface (the chromosphere). This makes them superior for resolving fine details in plages, filaments, and spicules, but prominences may appear slightly dimmer than in a dedicated prominence scope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Daystar Scout 60mm Prominence telescope best for viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis telescope is specifically designed to provide the best possible views of \u003cstrong\u003esolar prominences\u003c\/strong\u003e. These are the beautiful, fiery arches and loops of gas that erupt from the edge (limb) of the Sun. While it will also show surface details like sunspots and some filaments, its strength lies in high-contrast views of limb activity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I find the Sun safely with the Scout 60mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Scout 60mm comes equipped with an integrated \u003cstrong\u003eSolar Bullet finder\u003c\/strong\u003e. This is a projection finder, so you do not look through it. You simply move the telescope until the small dot of light it projects is centered on the white target screen. This is a completely safe and intuitive way to align the telescope with the Sun.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2\" eyepieces or a DSLR camera with the Scout 60mm Solar Telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOut of the box, the Scout 60mm is designed for 1.25\" eyepieces. According to Daystar, using 2\" eyepieces or attaching a camera via a T-adapter \u003cstrong\u003erequires optional, additional accessories\u003c\/strong\u003e to achieve focus and proper connection. You will need to purchase these adapters separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between this \"Prominence\" model and a \"Chromosphere\" model?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe difference is in the bandpass of the internal H-alpha filter. The \u003cstrong\u003eProminence model\u003c\/strong\u003e has a slightly wider bandpass for brighter, higher-contrast views of solar prominences on the limb. A \u003cstrong\u003eChromosphere model\u003c\/strong\u003e has a narrower bandpass, which increases contrast for details on the Sun's surface, like filaments and plages, but makes prominences appear dimmer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAs a beginner to solar, what kind of detail can I expect to see on a typical solar prominence with the Scout 60mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith the Scout 60mm Prominence telescope, you can expect to see distinct shapes and structures in solar prominences. On an active day, you will be able to distinguish between different types, such as large, stable hedgerow prominences and more dynamic, detached eruptive prominences. You will see them as bright, reddish structures set against the black background of space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the Scout 60mm perform on a lightweight alt-az mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Scout 60mm is an excellent match for a lightweight, grab-and-go alt-azimuth mount like a Vixen Porta II or a Sky-Watcher AZ-GTe. Its small size and low weight make it very stable on such platforms, creating a highly portable setup for quick solar observing sessions from your backyard or a public outreach event.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated Hydrogen Alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eProminence\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eHelical Front-Focus, Non-Rotating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder\u003c\/td\u003e\n\u003ctd\u003eIntegrated Solar Bullet Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClear Eyepiece Aperture\u003c\/td\u003e\n\u003ctd\u003e16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eScout 60mm Solar Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_Scout_60_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Default Title","offer_id":44967458668829,"sku":"DAY-SS60P","price":2233.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Scout-60mm-Solar-Telescope-1__64897.1597173089.1280.1280.jpg?v=1684342455"},{"product_id":"daystar-scout-80mm-solar-telescope-chromosphere","title":"Daystar Scout 80mm Solar Telescope Chromosphere","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e80mm Aperture Dedicated Solar Telescope\u003c\/li\u003e\n\u003cli\u003eOptimized for Chromosphere (Hydrogen-Alpha) Viewing\u003c\/li\u003e\n\u003cli\u003eIntegrated Etalon and Blocking Filter System\u003c\/li\u003e\n\u003cli\u003eRobust, Grab-and-Go Physical Design\u003c\/li\u003e\n\u003cli\u003eIncludes Mounting Rings and Vixen-style Dovetail\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eDaystar Scout 80mm Solar Telescope Chromosphere\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Scout 80mm Solar Telescope is a dedicated Hydrogen-alpha instrument designed for high-contrast, detailed views of the Sun's chromosphere. By integrating Daystar's renowned filter technology directly into an 80mm refractor optical tube, the Scout provides a safe, simple, and powerful solution for observing solar prominences, filaments, and active regions right out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAn 80mm Window to the Active Chromosphere\u003c\/h3\u003e\n\u003cp\u003eThe 80mm aperture strikes an ideal balance between resolution and portability for solar astronomy. It gathers significantly more light than smaller 60mm scopes, resolving finer details in sunspot umbrae and the delicate, feathery structure of solar prominences erupting from the limb. This aperture is large enough to deliver truly engaging views of solar activity without becoming overly sensitive to atmospheric seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDedicated Solar Design for Uncompromised Safety\u003c\/h3\u003e\n\u003cp\u003eUnlike component-based solar filter systems, the Scout 80mm is a fully integrated telescope where all optical elements are pre-installed and optimized for solar viewing. This dedicated design eliminates the risks of improper filter mounting and ensures all components, from the front energy rejection filter to the internal etalon, work together for maximum safety and image contrast. You never have to worry about component mismatch or unsafe configurations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePrecision Tuning for High-Contrast Solar Detail\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the Scout 80mm is a precision solid etalon, the core of Daystar's solar filtering technology. This system allows you to precisely tune the filter's bandpass, letting you 'wing-shift' to observe Doppler-shifted phenomena. This is critical for enhancing the contrast of features moving towards or away from you, such as active region filaments or the base of a solar flare, revealing details that are invisible in a static filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eScout 80mm vs. A Quark Filter: The Integrated Advantage\u003c\/h3\u003e\n\u003cp\u003eA common question is how the Scout 80mm compares to using a Daystar Quark filter in a standard 80mm nighttime refractor. While both can produce excellent images, the Scout offers key advantages in simplicity and optimization.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaystar Quark on a third-party refractor:\u003c\/strong\u003e This setup offers flexibility, allowing you to use your existing telescope. However, you are responsible for ensuring the telescope has the correct focal ratio and requires a separate, correctly sized energy rejection filter (ERF) for safety. Performance can vary depending on the quality of the host telescope's optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaystar Scout 80mm Telescope:\u003c\/strong\u003e This is a turnkey solution. The optics, focal length, and all safety filters are perfectly matched to the internal etalon from the factory. This guarantees optimal performance and removes the guesswork, providing a reliable, grab-and-go instrument dedicated solely to high-resolution solar observing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat solar features can I see with the Daystar Scout 80mm Chromosphere telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Scout 80mm is designed for observing the Sun in the Hydrogen-alpha wavelength, revealing the dynamic chromosphere. You can expect to see \u003cstrong\u003eprominences\u003c\/strong\u003e (eruptions of gas on the Sun's edge), \u003cstrong\u003efilaments\u003c\/strong\u003e (prominences seen against the brighter solar disk), \u003cstrong\u003eplages\u003c\/strong\u003e (bright active regions), \u003cstrong\u003espicules\u003c\/strong\u003e (jets of gas in the chromosphere), and fine detail within and around \u003cstrong\u003esunspots\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar Scout 80mm telescope safe for direct solar viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Scout 80mm is a dedicated, integrated solar telescope. All necessary safety filters, including energy rejection and narrow-bandpass filtering, are built directly into the instrument. It is designed from the ground up for looking at the Sun and is completely safe for visual observation when used as instructed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Scout 80mm for imaging the Sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The Daystar Scout 80mm is an excellent instrument for solar imaging. Its 80mm aperture provides ample resolution for capturing detailed images of surface features and prominences. You will need a suitable high-frame-rate monochrome astronomy camera for the best results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the view through the Scout 80mm compare to a smaller 60mm solar scope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage of the Scout 80mm over a 60mm scope is its increased \u003cstrong\u003eresolution and brightness\u003c\/strong\u003e. The larger aperture allows it to resolve finer details and provides a brighter image, which is especially beneficial for high-magnification viewing and imaging. Prominences will appear more detailed and surface texture more defined.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Daystar Scout 80mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Scout 80mm is a relatively lightweight and compact refractor. It can be used on a variety of mounts, from a robust photo tripod with a fluid head for casual viewing to a light-duty equatorial mount like a Celestron AVX or Sky-Watcher EQM-35 for imaging and tracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Scout 80mm handle observing prominences versus surface detail?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe built-in tuning mechanism is key. Prominences are often brightest at the central H-alpha wavelength. To see maximum contrast on surface details like filaments, you may need to tune the etalon slightly off-band. The Scout 80mm's tuner allows you to adjust for the best view of either type of feature during your observing session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Wavelength\u003c\/td\u003e\n\u003ctd\u003eHydrogen-alpha (Chromosphere)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated Solar Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_Scout_80_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Default Title","offer_id":44967458767133,"sku":"DAY-SS80C","price":3493.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Scout-80mm-Solar-Telescope-1__88127.1597172870.1280.1280.jpg?v=1684342436"},{"product_id":"daystar-scout-80mm-solar-telescope-prominence","title":"Daystar Scout 80mm Solar Telescope Prominence","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e80mm Aperture Dedicated Solar Telescope\u003c\/li\u003e\n\u003cli\u003eOptimized for High-Contrast Solar Prominences\u003c\/li\u003e\n\u003cli\u003eInternal, USB-Powered Etalon Heater\u003c\/li\u003e\n\u003cli\u003ePrecision Helical Focuser\u003c\/li\u003e\n\u003cli\u003eIncludes Mounting Rings and Vixen-style Dovetail\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eDaystar Scout 80mm Solar Telescope Prominence\u003c\/h2\u003e\n      \u003cp\u003eThe Daystar Scout 80mm Solar Telescope is a fully integrated H-alpha instrument engineered specifically for observing the dynamic, ever-changing prominences erupting from the limb of the Sun. This complete solar telescope combines an 80mm doublet objective with Daystar's precision digital tuning, creating a grab-and-go system for high-contrast views of solar activity.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eDedicated 80mm H-alpha Optics for Prominence Views\u003c\/h3\u003e\n      \u003cp\u003eUnlike front-mounted filters, the Scout 80mm is a complete, dedicated solar telescope built around its internal H-alpha filter. The 80mm doublet objective lens is specifically matched to the filter system, ensuring there are no compromises in the optical path for maximum image brightness and contrast on solar features.\u003c\/p\u003e\n      \u003cp\u003eThe \"Prominence\" designation signifies a slightly wider bandpass, which is ideal for making faint, extended prominences stand out vividly against the blackness of space. This design prioritizes light transmission and contrast at the solar limb, revealing delicate structure in loops, arcs, and hedgerow prominences.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n    \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eUSB-Powered Digital Tuning for Peak Solar Contrast\u003c\/h3\u003e\n      \u003cp\u003eAt the heart of the Scout 80mm is Daystar's proven heated etalon system, which allows you to precisely tune the filter to the Hydrogen-alpha wavelength. A simple USB power source is all that's required to heat the etalon to its optimal temperature, giving you direct control over the image to achieve the highest possible contrast on the specific features you're observing.\u003c\/p\u003e\n      \u003cp\u003eThis digital tuning is critical for adapting to subtle shifts in the H-alpha line caused by Doppler effects in active regions. By slightly shifting the filter's bandpass, you can highlight material moving towards or away from you, enhancing the three-dimensional appearance of complex solar events.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eIntegrated Grab-and-Go Solar Telescope Design\u003c\/h3\u003e\n      \u003cp\u003eThe Scout 80mm eliminates the complexity of assembling a solar telescope from separate components. As a fully integrated system, it is ready for your mount right out of the box, providing a safe, robust, and easy-to-use platform for solar observing. This makes it an ideal choice for outreach events, educational use, or simply for quick sessions when the Sun is active.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHelical Focuser:\u003c\/strong\u003e Offers precise, zero-image-shift focusing, which is critical for high-magnification solar viewing and imaging.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSolar Finder:\u003c\/strong\u003e A built-in solar finder makes aligning the telescope with the Sun safe and intuitive.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMounting Hardware:\u003c\/strong\u003e The telescope includes tube rings and a Vixen-style dovetail bar for immediate attachment to a wide range of astronomical mounts.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eScout 80mm Prominence vs. Chromosphere: Choosing Your View\u003c\/h3\u003e\n      \u003cp\u003eDaystar offers the Scout in two configurations, defined by the filter's bandpass. The choice between them depends entirely on your primary observing targets.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eProminence Model (this version):\u003c\/strong\u003e Features a wider bandpass (typically ~0.6Å). This makes it significantly better for viewing fainter, diffuse prominences against the dark sky. The trade-off is lower contrast on surface details like filaments and plages.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eChromosphere Model:\u003c\/strong\u003e Uses a narrower bandpass (typically ~0.4Å - 0.5Å). This dramatically increases contrast on surface features, making the sun's chromosphere appear like a textured, detailed landscape. It can still see bright prominences, but fainter ones may be lost.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eFor observers who are most captivated by the explosive and delicate structures at the Sun's edge, the Scout 80mm Prominence model is the superior choice. If your interest lies more with the intricate, evolving patterns on the solar disk itself, the Chromosphere model is the better fit.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main difference between the Daystar Scout 80mm Prominence and Chromosphere models?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe difference is the filter's \u003cstrong\u003ebandpass\u003c\/strong\u003e. The \u003cstrong\u003eProminence model\u003c\/strong\u003e has a wider bandpass (around 0.6Å), which excels at showing faint, detailed solar prominences at the edge of the Sun. The \u003cstrong\u003eChromosphere model\u003c\/strong\u003e has a narrower bandpass (around 0.4-0.5Å), which provides much higher contrast for viewing details on the Sun's surface, such as filaments, plages, and granulation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Scout 80mm Prominence model show a solar flare?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Scout 80mm Prominence is an excellent instrument for observing solar flares. You will see the event as an intense, localized brightening within an active region. Because this model is optimized for prominences, it will be particularly effective at showing any associated eruptive prominence or material being ejected during the flare event at the solar limb.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Scout 80mm for imaging?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the Scout 80mm is well-suited for solar imaging with modern high-frame-rate monochrome cameras. The precision helical focuser allows for fine adjustments, and the USB-powered tuning lets you optimize contrast for your camera sensor. The Prominence model is especially good for capturing detailed images and time-lapses of eruptive events at the solar limb.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Daystar Scout 80mm telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Scout 80mm is relatively lightweight and compact. It can be used on a wide variety of mounts, including:\n    \u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eA light-to-medium equatorial mount, which is ideal for imaging as it will track the Sun.\u003c\/li\u003e\n    \u003cli\u003eA robust alt-azimuth mount with slow-motion controls for comfortable visual observing.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    The included Vixen-style dovetail ensures compatibility with most modern astronomical mounts.\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Scout 80mm Prominence model require external power?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The internal H-alpha filter etalon must be heated to a precise temperature to stay on the correct wavelength. The Daystar Scout 80mm accomplishes this with a low-draw heater that can be powered by any standard 5V USB power source, such as a portable battery pack or a phone charger.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the Scout 80mm Prominence during a solar minimum vs. solar maximum?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eDuring \u003cstrong\u003esolar minimum\u003c\/strong\u003e, the Sun is very quiet. With the Scout 80mm Prominence, you will still be able to see small prominences at the limb and any filaments that may be present on the disk. During \u003cstrong\u003esolar maximum\u003c\/strong\u003e, the Sun is highly active. You can expect to see large, complex, and rapidly changing prominences, including dramatic loops, arches, and explosive eruptions like those from active region AR3664 in May 2024.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated H-Alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eScout Prominence\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eHelical\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eUSB-Powered Heated Etalon\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eTube Rings with Vixen-Style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eDaystar Scout 80mm Solar Telescope\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eMounting Rings\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1 set\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eVixen-Style Dovetail\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n     \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eHard Case\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_Scout_80_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Default Title","offer_id":44967458832669,"sku":"DAY-SS80P","price":3493.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Scout-80mm-Solar-Telescope-1__84313.1597172829.1280.1280.jpg?v=1684342439"},{"product_id":"daystar-sr-127mm-solar-telescope-0-3-0-7a-pe-grade","title":"Daystar SR 127mm Solar Telescope - 0.3-0.7Å PE Grade","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e127mm Aperture Solar Refractor\u003c\/li\u003e\n\u003cli\u003eDedicated Hydrogen-Alpha Telescope\u003c\/li\u003e\n\u003cli\u003ePE Grade Etalon for Professional Uniformity\u003c\/li\u003e\n\u003cli\u003eSelectable Bandpass from 0.7Å to 0.3Å\u003c\/li\u003e\n\u003cli\u003eIntegrated and Optimized for Solar Safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eDaystar SR 127mm Solar Telescope - 0.3-0.7Å PE Grade\u003c\/h2\u003e\n\u003cp\u003eThe Daystar SR 127mm Solar Telescope combines a large 127mm aperture with Daystar's professional-grade filtration, offering unparalleled views of the solar chromosphere. With bandpass options configurable from a wider 0.7Å down to an exceptionally narrow 0.3Å, this dedicated instrument delivers the resolution and contrast required for serious scientific study and imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e127mm Aperture: High-Resolution Views of the Chromosphere\u003c\/h3\u003e\n\u003cp\u003eThe substantial 127mm (5-inch) objective lens is the foundation of the SR 127mm's power, gathering enough light to resolve incredibly fine solar details. This aperture allows you to clearly distinguish delicate filaments against the solar disk, trace the intricate structure of spicules at the limb, and observe the evolution of active regions with stunning clarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePE Grade Filtration: Uniformity from 0.7Å to 0.3Å\u003c\/h3\u003e\n\u003cp\u003eThis telescope features Daystar's PE (Professional Edition) grade etalon, ensuring exceptional uniformity across the entire field of view—a critical factor for high-resolution imaging and scientific measurement. You can configure the telescope with a specific bandpass, each offering a different view of solar phenomena.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider Bandpasses (0.7Å - 0.6Å):\u003c\/strong\u003e These options produce a brighter image and are ideal for capturing magnificent, high-contrast views of solar prominences erupting from the limb of the Sun.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrower Bandpasses (0.5Å - 0.3Å):\u003c\/strong\u003e As the bandpass narrows, contrast on the solar disk increases dramatically. These choices excel at revealing the complex, textured surface of the chromosphere, making plages, filaments, and flare ribbons pop with detail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Dedicated 127mm Solar Instrument: Integrated Safety and Optimization\u003c\/h3\u003e\n\u003cp\u003eAs a dedicated solar telescope, the SR 127mm is engineered from the ground up for one purpose. Unlike modular accessories, the entire optical train, including all necessary energy rejection filters, is integrated into the telescope body. This guarantees optimal performance and uncompromising safety, as there is no risk of forgetting a critical filter or dealing with mismatched components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDaystar SR 127mm vs. A Modular Quark System: The Dedicated Advantage\u003c\/h3\u003e\n\u003cp\u003eWhile a Daystar Quark can transform a standard nighttime refractor into a solar telescope, the SR 127mm dedicated platform offers distinct advantages for the serious observer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Optimization:\u003c\/strong\u003e The SR 127mm's internal etalon and telecentric optics are permanently installed and perfectly matched to the 127mm objective, eliminating compatibility issues and ensuring even illumination across the entire field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInherent Safety:\u003c\/strong\u003e A modular setup requires careful assembly with the correct energy rejection filter (ERF) for the aperture. The SR 127mm has all filtration built-in, making it a safer, grab-and-go solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Stability:\u003c\/strong\u003e The integrated design of the SR 127mm provides a more stable thermal environment for the precision-tuned etalon, leading to more consistent on-band performance during long observing or imaging sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich bandpass (0.3Å to 0.7Å) is right for my observing goals with the Daystar SR 127mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYour choice depends on your primary target. For the highest contrast on disk features like filaments, flares, and plages, a narrower bandpass (\u003cstrong\u003e0.3Å to 0.5Å\u003c\/strong\u003e) is superior. For brighter, more dramatic views of prominences on the solar limb, a wider bandpass (\u003cstrong\u003e0.6Å or 0.7Å\u003c\/strong\u003e) is often preferred.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the Daystar SR 127mm that I can't with a smaller 60mm solar scope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 127mm aperture provides over four times the light-gathering area of a 60mm scope, resulting in significantly higher resolution. With the SR 127mm, you can resolve fine, thread-like details in filaments, see subtle structures within sunspot umbras, and clearly define the \"forest\" of spicules along the solar limb, all of which would be blurred or invisible in a smaller instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar SR 127mm suitable for professional solar imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The combination of the large 127mm aperture for high resolution and the \u003cstrong\u003ePE Grade etalon\u003c\/strong\u003e for superior field uniformity makes the SR 127mm an excellent choice for research, pro-am collaborations, and advanced solar imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need any other filters to use the Daystar SR 127mm safely?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The Daystar SR 127mm is a fully integrated, dedicated solar telescope. All necessary safety and blocking filters are built directly into the optical assembly. You only need to add your eyepiece or imaging camera to begin observing safely.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does observing a solar flare with the SR 127mm at 0.5Å compare to viewing sunspots in white light?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eViewing in white light shows you sunspots on the photosphere, the Sun's visible surface. The Daystar SR 127mm observes in Hydrogen-alpha light, revealing the chromosphere above it. An active region that shows simple spots in white light will, through the SR 127mm at 0.5Å, reveal a complex network of bright plages, dark filaments, and potentially the sudden, brilliant eruption of a solar flare—all phenomena that are completely invisible in a white-light telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use standard 1.25\" or 2\" eyepieces with the Daystar SR 127mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the Daystar SR 127mm typically terminates in a standard focuser that accepts either 1.25\" or 2\" eyepieces and accessories, allowing you to use your existing eyepiece collection to vary the magnification for wide-field or high-power views.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated H-alpha Solar Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e127mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Bandpass Options\u003c\/td\u003e\n\u003ctd\u003e0.7Å, 0.6Å, 0.5Å, 0.4Å, 0.3Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Grade\u003c\/td\u003e\n\u003ctd\u003ePE (Professional Edition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_SR127_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"0.7Å \/ PE","offer_id":44967458898205,"sku":"DAY-.7SR127PE","price":22386.0,"currency_code":"CAD","in_stock":true},{"title":"0.6Å \/ PE","offer_id":44967458930973,"sku":"DAY-.6SR127PE","price":27986.0,"currency_code":"CAD","in_stock":true},{"title":"0.5Å \/ PE","offer_id":44967458963741,"sku":"DAY-.5SR127PE","price":33586.0,"currency_code":"CAD","in_stock":true},{"title":"0.4Å \/ PE","offer_id":44967458996509,"sku":"DAY-.4SR127PE","price":41986.0,"currency_code":"CAD","in_stock":true},{"title":"0.3Å \/ PE","offer_id":44967459029277,"sku":"DAY-.3SR127PE","price":50386.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-SR127QT-1__64064.1597171530.1280.1280.jpg?v=1684342445"},{"product_id":"daystar-sr-127mm-solar-telescope-prominence-se-grade","title":"Daystar SR 127mm Solar Telescope Prominence - SE Grade","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e127mm Aperture Solar Telescope\u003c\/li\u003e\n\u003cli\u003eDedicated Hydrogen-Alpha System\u003c\/li\u003e\n\u003cli\u003eProminence-Tuned for Solar Limb Events\u003c\/li\u003e\n\u003cli\u003eSE (Standard Edition) Grade Filter\u003c\/li\u003e\n\u003cli\u003eIntegrated Daystar H-alpha Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eDaystar SR 127mm Solar Telescope Prominence - SE Grade\u003c\/h2\u003e\n      \u003cp\u003eThe Daystar SR 127mm Solar Telescope is a complete, dedicated H-alpha instrument designed for high-resolution views of solar prominences. This model integrates a 127mm doublet refractor with Daystar's renowned filtration technology, optimized specifically for capturing the dynamic, high-contrast structure of events at the Sun's limb. The SE Grade filter ensures excellent visual and imaging fidelity for detailed observation of our home star.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe Daystar SR 127mm Dedicated Solar Telescope\u003c\/h3\u003e\n      \u003cp\u003eUnlike modular filters like the Quark, the SR 127mm is an integrated solar telescope. This all-in-one design ensures that all optical components are perfectly matched and aligned for solar observation, eliminating the compromises and compatibility issues that can arise from adapting third-party telescopes. With a 127mm aperture, this telescope gathers significantly more light and achieves higher resolution than smaller-aperture solar scopes, revealing finer details in filaments, flares, and the intricate structure of prominences.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eProminence Tuning: Optimized for Solar Limb Dynamics\u003c\/h3\u003e\n      \u003cp\u003eThis version of the SR 127mm is \"Prominence\" tuned, meaning its H-alpha filter has a bandpass tailored for maximum brightness and contrast on features seen at the edge of the solar disk. This allows erupting prominences, loops, and sprays to stand out vividly against the blackness of space. The trade-off for this optimization is slightly reduced contrast on the fine, low-contrast details of the solar chromosphere, such as spicules and granulation, which are better served by Daystar's \"Chromosphere\" tuned models.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSE Grade Filtration: High-Contrast Views for Visual and Imaging\u003c\/h3\u003e\n      \u003cp\u003eDaystar's SE (Standard Edition) Grade filters are designed to deliver excellent solar views for both visual observers and many imagers. SE Grade optics provide high-contrast images and good filter uniformity across the field of view, suitable for full-disk views and imaging with a wide range of cameras. While the PE (Professional Edition) Grade offers a higher specification on bandpass uniformity for scientific or highly demanding imaging applications, the SE Grade represents the optimal balance for most amateur solar astronomy.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eDaystar SR 127mm: Choosing Your Configuration\u003c\/h3\u003e\n      \u003cp\u003eWhen selecting a Daystar solar telescope, the primary choices involve tuning and filter grade. This model is configured for a specific use case, but it's important to understand the alternatives.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eProminence vs. Chromosphere Tuning:\u003c\/strong\u003e The Prominence model, as featured here, excels at bright limb detail. A Chromosphere-tuned model would use a narrower bandpass to increase contrast on the Sun's surface at the expense of prominence brightness.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSE Grade vs. PE Grade:\u003c\/strong\u003e This SE Grade model is the standard for high-quality amateur observation. The PE Grade is a premium option offering tighter tolerances on filter uniformity, primarily benefiting those doing professional research, high-magnification imaging, or seeking the absolute highest level of optical perfection.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the Daystar SR 127mm Prominence model?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe main advantage is its optimization for viewing and imaging \u003cstrong\u003esolar prominences\u003c\/strong\u003e. The filter's bandpass is specifically set to make these structures, which are visible at the edge of the Sun, appear as bright and detailed as possible against the dark background of space. This makes it ideal for observing dynamic events like solar flares and coronal mass ejections (CMEs) as they erupt from the limb.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the SE Grade filter in the SR 127mm compare to the PE Grade?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe \u003cstrong\u003eSE (Standard Edition) Grade\u003c\/strong\u003e filter provides excellent performance for the majority of visual observers and imagers, with high-contrast views and good filter uniformity. The \u003cstrong\u003ePE (Professional Edition) Grade\u003c\/strong\u003e offers a higher level of precision with stricter tolerances on bandpass uniformity across the entire filter. PE Grade is typically chosen by scientific institutions or advanced imagers who require the most flawless data possible, while SE Grade offers a superb experience for amateur solar astronomy.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of solar events can I see with the SR 127mm Prominence telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eWith its 127mm aperture and prominence-focused tuning, you can observe a wide range of solar phenomena. Key targets include:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eProminences:\u003c\/strong\u003e Large, arching structures of plasma at the solar limb.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSolar Flares:\u003c\/strong\u003e Bright, intense bursts of energy, especially visible when they occur at the limb.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFilaments:\u003c\/strong\u003e These are the same as prominences, but seen against the bright solar disk, appearing as dark, snake-like lines.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eActive Regions:\u003c\/strong\u003e While surface contrast is lower than a chromosphere model, you can still easily see the bright plage surrounding sunspots.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the SR 127mm Prominence telescope good for imaging a full solar disk with prominences?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The SR 127mm is an excellent platform for imaging. Its 127mm aperture provides the resolution needed for detailed close-ups of active regions and prominences. To capture the full solar disk, you may need to use a focal reducer or create a mosaic, depending on the focal length of the telescope and the size of your camera's sensor.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need any other filters to use the Daystar SR 127mm safely?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo. The Daystar SR 127mm is a \u003cstrong\u003ededicated and integrated solar telescope\u003c\/strong\u003e. It includes all necessary filtration for safe H-alpha solar observing. You should never add another white-light or front-mounted solar filter to a dedicated H-alpha telescope, as this will prevent the system from working correctly.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between this dedicated SR 127mm telescope and a Daystar Quark filter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe SR 127mm is a \u003cstrong\u003ecomplete telescope\u003c\/strong\u003e where the optics and filter are a single, optimized unit. A \u003cstrong\u003eDaystar Quark\u003c\/strong\u003e is a modular filter that you add to a standard nighttime refractor you already own. While a Quark is a versatile way to start solar observing, a dedicated system like the SR 127mm offers superior performance because the entire optical train is designed specifically for H-alpha wavelengths, eliminating compromises in performance.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated H-Alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e127mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFilter Tuning\u003c\/td\u003e\n\u003ctd\u003eProminence\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFilter Grade\u003c\/td\u003e\n\u003ctd\u003eSE (Standard Edition)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eDaystar SR 127mm Solar Telescope\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_SR127_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Default Title","offer_id":44967459258653,"sku":"DAY-SR127QTP","price":11193.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-SR127QT-1__92628.1597171366.1280.1280.jpg?v=1684342451"},{"product_id":"daystar-sr-127mm-solar-telescope-chromosphere-se-grade","title":"Daystar SR 127mm Solar Telescope Chromosphere - SE Grade","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e127mm Refractor Design\u003c\/li\u003e\n\u003cli\u003eDedicated Hydrogen-Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003eObserve the Sun's Chromosphere\u003c\/li\u003e\n\u003cli\u003eIntegrated, Heated, On-Band Etalon\u003c\/li\u003e\n\u003cli\u003eSE (Standard Edition) Grade Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eDaystar SR 127mm Solar Telescope Chromosphere - SE Grade\u003c\/h2\u003e\n\u003cp\u003eThe Daystar SR 127mm Solar Telescope is a fully integrated H-alpha instrument designed to deliver high-resolution views of the solar chromosphere, using its 127mm objective lens to resolve fine details in prominences, filaments, and surface granulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e127mm Aperture: High-Resolution Solar Detail\u003c\/h3\u003e\n\u003cp\u003eThe 127mm (5-inch) aperture is the heart of this telescope's imaging capability. This generous objective gathers significantly more light and achieves a higher degree of resolution than smaller 60mm or 80mm solar scopes, allowing you to resolve intricate structures within filaments and see fine spicules at the solar limb. For the serious solar observer, this aperture provides the power to see subtle, dynamic changes in the Sun's active regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Dedicated H-alpha System for the Chromosphere\u003c\/h3\u003e\n\u003cp\u003eUnlike a standalone filter, the SR 127mm is an end-to-end system where every component is optimized for H-alpha observation. The internal, heated Daystar etalon is perfectly matched to the telescope's optical train, ensuring even illumination and maximum contrast across the entire field of view. This integrated design eliminates the compromises and potential compatibility issues of adapting a third-party filter to a general-purpose nighttime telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSE Grade Etalon: Optimized for Visual Solar Observing\u003c\/h3\u003e\n\u003cp\u003eThis telescope features Daystar's SE (Standard Edition) grade etalon, which is engineered to provide excellent contrast and detail for visual observation and general imaging. While the higher PE grade is designed for the stringent uniformity demands of scientific research, the SE grade delivers the high-contrast, detailed views that have made Daystar a leader in solar astronomy. It represents a deliberate balance, making high-resolution solar observing accessible without the cost of a research-grade instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDaystar SR 127mm vs. A Quark on a Standard Refractor\u003c\/h3\u003e\n\u003cp\u003eAn alternative to a dedicated solar scope is using a Daystar Quark H-alpha eyepiece filter on a standard 127mm refractor. While that approach is more affordable and allows the telescope to be used for night sky observing, the dedicated SR 127mm offers distinct advantages.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Optimization:\u003c\/strong\u003e The SR 127mm's optics, including its energy rejection filter (ERF) and telecentric amplifier, are permanently installed and designed specifically for the etalon. This creates a more robust, higher-contrast image than a modular system can typically achieve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEase of Use:\u003c\/strong\u003e As a turnkey solution, the SR 127mm removes the guesswork. There is no need to worry about component matching, back focus, or whether your chosen refractor is suitable for a Quark. It is ready for observation right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the Daystar SR 127mm Chromosphere telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar SR 127mm is a Hydrogen-alpha telescope designed to view the sun's chromosphere. You can observe dynamic phenomena such as \u003cstrong\u003esolar prominences\u003c\/strong\u003e (eruptions on the limb), \u003cstrong\u003efilaments\u003c\/strong\u003e (prominences seen against the solar disk), \u003cstrong\u003eplages\u003c\/strong\u003e (bright active regions), and the \"orange peel\" texture of the \u003cstrong\u003esolar surface\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between an SE and PE grade Daystar filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eSE (Standard Edition)\u003c\/strong\u003e grade filters are Daystar's standard for high-quality visual solar observing and general imaging, offering excellent contrast. \u003cstrong\u003ePE (Professional Edition)\u003c\/strong\u003e filters are held to a stricter uniformity standard, designed for professional research, academic use, and high-end imaging where precise data is the primary goal. For most observers, the SE grade delivers outstanding views.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar SR 127mm for imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the SR 127mm is well-suited for high-resolution solar imaging with modern high-frame-rate astronomy cameras. Its 127mm aperture provides the resolving power needed to capture fine details in active regions and prominences. The SE grade etalon produces high-contrast images suitable for most amateur solar imagers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose the dedicated SR 127mm telescope over a Daystar Quark filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe dedicated SR 127mm is a fully optimized, turnkey system. Every optical component is matched to the internal H-alpha filter, ensuring maximum contrast and even field illumination. A Quark filter is a more versatile and affordable option, but it requires careful matching with a suitable third-party telescope and may not achieve the same level of optimized, integrated performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Daystar SR 127mm perform on a large solar prominence compared to an 80mm solar scope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 127mm aperture of the SR 127mm provides significantly higher resolution than an 80mm scope. On a large, detailed prominence, you will be able to resolve finer structures, like delicate loops and streamers, that would appear as a softer, less-defined mass in the smaller instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the Daystar SR 127mm resolve fine spicules at the sun's limb?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, under conditions of good seeing, the 127mm aperture is capable of resolving spicules—the small, jet-like features that make up the \"furry\" edge of the sun's chromosphere. This is a classic test of a high-resolution solar telescope, and the SR 127mm is designed to excel at it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_SR127_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Default Title","offer_id":44967459356957,"sku":"DAY-SR127QTC","price":13993.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-SR127QT-1__02841.1597171249.1280.1280.jpg?v=1684342456"},{"product_id":"lunt-ls60mt-modular-solar-telescope-pressure-tuned","title":"Lunt LS60MT Modular Solar Telescope - Pressure Tuned","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e60mm Aperture\u003c\/li\u003e\n\u003cli\u003e600mm Focal Length (f\/10)\u003c\/li\u003e\n\u003cli\u003ePressure Tuned Etalon (H-alpha)\u003c\/li\u003e\n\u003cli\u003e\u0026lt;0.7 Angstrom Bandpass (Single Stack)\u003c\/li\u003e\n\u003cli\u003eB600 Blocking Filter\u003c\/li\u003e\n\u003cli\u003eModular Design for H-alpha, White Light, and Night Use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eThe Versatile Sun-Gazer: Lunt LS60MT Modular Solar Telescope - Pressure Tuned\u003c\/h2\u003e\n      \u003cp\u003eThe Lunt LS60MT Modular Solar Telescope - Pressure Tuned is a 60mm aperture, 600mm focal length (f\/10) instrument designed for high-contrast hydrogen-alpha solar observing, offering the flexibility to convert for white light solar views or night-time celestial exploration. Its modular design and precise pressure tuning make it a compelling choice for observers who demand both performance and adaptability from a single telescope.\u003c\/p\u003e\n      \u003cp\u003eThis instrument delivers crisp views of the dynamic solar disk in H-alpha, revealing prominences, filaments, and active regions with striking clarity. When converted, it serves as a capable night-time refractor, making it a versatile foundation for a wide range of observing interests.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003ePrecision Solar Tuning: Pressure Tuned Etalon\u003c\/h3\u003e\n      \u003cp\u003eAt the heart of the LS60MT's solar performance is its pressure-tuned internal H-alpha etalon, which provides a bandpass of less than 0.7 Angstroms. This narrow bandpass isolates the specific wavelength of hydrogen-alpha light, allowing you to observe the Sun's chromosphere, where fascinating features like prominences and filaments reside.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePressure Tuning:\u003c\/strong\u003e Unlike tilt-tuned systems, pressure tuning adjusts the etalon's optical spacing by changing air pressure within a sealed chamber. This mechanism ensures a uniform bandpass across the entire field of view, preventing the \"sweet spot\" effect and providing a consistent high-contrast image whether you are observing or imaging.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFine Detail Resolution:\u003c\/strong\u003e The sub-0.7 Angstrom bandpass is narrow enough to resolve intricate details in solar filaments, the granulation of the photosphere, and the delicate structure of prominences lifting off the limb. As you slowly adjust the pressure tuner, you can shift the bandpass slightly to bring different features into optimal view, for instance, enhancing a faint filament against the solar disk or sharpening the edge of a hedgerow prominence.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eAdaptable Observing: The Modular Telescope Design\u003c\/h3\u003e\n      \u003cp\u003eThe \"MT\" in LS60MT signifies its modular design, allowing the dedicated H-alpha front assembly to be quickly removed. This transforms the instrument into a standard 60mm f\/10 achromatic refractor, ready for alternative observing modes. This flexibility significantly extends the telescope's utility beyond specialized solar work.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDaytime White Light Solar:\u003c\/strong\u003e With the H-alpha module removed and a suitable white light solar filter (sold separately) attached to the objective, the LS60MT can provide safe, high-resolution views of sunspots and solar granulation. This allows for observation of the Sun's photosphere, complementing the chromospheric views delivered by the H-alpha system.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eNight-Time Astronomical Views:\u003c\/strong\u003e Once the H-alpha module is detached, the LS60MT functions as a 60mm f\/10 refractor for night-time astronomy. With a standard star diagonal and eyepieces (sold separately), it offers crisp, high-contrast views of the Moon, planets, and brighter deep-sky objects. The 60mm aperture provides clear resolution for lunar craters and Jovian moons, serving as an excellent grab-and-go night scope.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eOptimized for Viewing: B600 Blocking Filter\u003c\/h3\u003e\n      \u003cp\u003eThe Lunt LS60MT includes a B600 blocking filter, which is an essential component for safe H-alpha solar viewing. The \"B\" indicates its position behind the etalon, and the \"600\" denotes a 6mm clear aperture. This size offers a generous illuminated field for both visual observing and general solar imaging.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEnhanced Field of View:\u003c\/strong\u003e A 6mm blocking filter provides a wider fully illuminated field compared to smaller blocking filters. This is particularly beneficial for visual observers who want to take in larger solar features without constantly repositioning the telescope. For imagers, it allows for capturing more of the solar disk or larger prominences in a single frame.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSafe Viewing:\u003c\/strong\u003e The blocking filter works in conjunction with the primary H-alpha etalon to ensure that only the narrow H-alpha wavelength reaches your eye or camera, blocking all other harmful wavelengths of light. This critical safety component is housed in a 1.25-inch diagonal, ready to accept standard eyepieces.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe Observational Experience: Seeing the Sun in H-Alpha\u003c\/h3\u003e\n      \u003cp\u003ePointing the LS60MT at the Sun and slowly adjusting the pressure tuner brings the chromosphere to life. You might first notice the sharp, bright edge of the solar limb, and as you tune, delicate prominences begin to materialize, extending like intricate structures into the blackness beyond. A slight turn of the pressure knob will shift the view to reveal the intricate, dark threads of filaments snaking across the solar disk, or the bright, mottled textures of plages around active regions.\u003c\/p\u003e\n      \u003cp\u003eUnder good seeing conditions, the 60mm aperture and \u0026lt;0.7 Angstrom bandpass allow you to resolve the fine structure within these features, distinguishing individual strands in a prominence or the granular texture surrounding a sunspot. The uniform field of view delivered by pressure tuning ensures that these details are sharp and visible across the entire field, making for a truly engaging and dynamic observing session.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eChoosing Your Lunt Solar Telescope: LS60MT vs. Siblings\u003c\/h3\u003e\n      \u003cp\u003eLunt offers a range of dedicated solar telescopes, and understanding the differences helps select the right instrument for your needs. The LS60MT balances aperture, portability, and versatility within the Lunt line.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003evs. Lunt LS50MT:\u003c\/strong\u003e The LS50MT is a more compact and lighter instrument with a 50mm aperture, making it the ultimate grab-and-go option. While the LS50MT is highly portable and more affordable, the LS60MT's larger 60mm aperture gathers more light and offers increased resolution potential, especially for finer details on the solar disk or subtle prominence structures, under conditions that allow it. Both are excellent for consistent views under average seeing.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003evs. Lunt LS80MT:\u003c\/strong\u003e The LS80MT provides a significantly larger 80mm aperture, which, under truly excellent seeing conditions, can resolve finer details and present brighter images of faint features. However, the LS80MT is heavier, requires a more substantial mount, and comes at a higher price point. For observers prioritizing maximum resolution and willing to invest in a larger setup, the LS60MT offers a more balanced approach for portability and consistent performance in variable seeing conditions, where a 60mm aperture often performs near its practical limit.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSingle Stack vs. Double Stack:\u003c\/strong\u003e The LS60MT is a single-stacked system (\u0026lt;0.7 Angstrom bandpass). For enhanced contrast, particularly on surface features like filaments and granulation, an optional double-stacking module (DSII\/LS60C or DS50\/LS60C) can be added. This reduces the bandpass to \u0026lt;0.5 Angstroms, darkening the disk and making subtle features more prominent. The single-stack LS60MT offers a brighter view of prominences, while double-stacking prioritizes disk detail.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Lunt LS60MT for night-time astronomy?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The LS60MT is a modular solar telescope. By removing the H-alpha front assembly, it converts into a standard 60mm f\/10 achromatic refractor suitable for observing the Moon, planets, and brighter deep-sky objects at night.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat accessories do I need to observe at night or in white light?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eFor night-time use, you will need a standard 1.25\" star diagonal and eyepieces. For white light solar observing, you will need a dedicated white light solar filter that attaches to the objective lens of the 60mm refractor tube after the H-alpha module is removed.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between pressure tuning and tilt tuning?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003ePressure tuning adjusts the etalon's bandpass by changing air pressure within a sealed chamber, providing a uniform bandpass across the entire field. Tilt tuning, common in less expensive systems, adjusts the bandpass by tilting the etalon, which can introduce a \"sweet spot\" effect where sharpness varies across the field.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 60mm aperture sufficient for solar observing?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. A 60mm aperture is often considered ideal for H-alpha solar observing because it provides excellent resolution for solar features while remaining highly portable. Under typical atmospheric seeing conditions, the practical resolution limit for solar observing can often be met or exceeded by a 60mm instrument, offering consistent high-contrast views.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the BF1200 blocking filter mean?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe BF1200 is a 12mm clear aperture blocking filter, which is an essential safety component that works with the etalon to block harmful wavelengths. The 12mm size offers a generous illuminated field of view, making it comfortable for visual observing and suitable for general solar imaging.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I upgrade the LS60MT for double stacking?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The LS60MT can be upgraded with an optional double-stacking module (DSII\/LS60C or DS50\/LS60C). This narrows the bandpass to \u0026lt;0.5 Angstroms, significantly increasing contrast on the solar disk and making subtle surface features like filaments and granulation more prominent.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to clean the etalon?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe etalon is a sealed, sensitive optical component. It should never be disassembled or cleaned internally. Any dust on the exterior surfaces of the H-alpha module can be carefully removed with appropriate optical cleaning tools, following the manufacturer's guidelines.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eAchromatic Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e600mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003ePressure Tuned Etalon\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBandpass (H-alpha)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.7 Angstrom (Single Stack)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB600 (6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eCrayford Focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTube Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eWeight (H-alpha configuration)\u003c\/td\u003e\n\u003ctd\u003e~6.5 lbs (2.95 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eModular Design\u003c\/td\u003e\n\u003ctd\u003eYes, converts for white light and night-time use\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cimg src=\"[Image%20URL]\" alt=\"Lunt LS60MT Solar Telescope Optical Tube\" class=\"DAV-img-box\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eLunt LS60MT Optical Tube Assembly\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cimg src=\"[Image%20URL]\" alt=\"Lunt BF1200 Blocking Filter Diagonal\" class=\"DAV-img-box\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eBF1200 Blocking Filter Diagonal (1.25\")\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cimg src=\"[Image%20URL]\" alt=\"Pressure Tuning Unit for Lunt LS60MT\" class=\"DAV-img-box\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003ePressure Tuning Unit\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cimg src=\"[Image%20URL]\" alt=\"Clamshell Ring for Lunt LS60MT\" class=\"DAV-img-box\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eClamshell Mounting Ring\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cimg src=\"[Image%20URL]\" alt=\"Hard Case for Lunt LS60MT\" class=\"DAV-img-box\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eHard Carry Case\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"[Insert%20manual%20URL]\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"[Warranty%20url]\" rel=\"noopener\" target=\"_blank\"\u003eLunt Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"B600","offer_id":44967528104221,"sku":"LSS-LS60MT\/B600R\u0026P","price":2233.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Lunt-60mm-Modular-Telescope-1__00090.1598200368.1280.1280.jpg?v=1684343468"},{"product_id":"lunt-ls80mt-modular-solar-telescope-pressure-tuned","title":"Lunt LS80MT Modular Solar Telescope - Pressure Tuned","description":"\u003c!-- short description --\u003e\n\u003cul class=\"DAV-feature-list\"\u003e\n    \u003cli\u003e\n        80mm ED f\/7 H-alpha refractor\n    \u003c\/li\u003e\n    \u003cli\u003e\n        560mm focal length\n    \u003c\/li\u003e\n    \u003cli\u003e\n        Pressure tuning\n    \u003c\/li\u003e\n    \u003cli\u003e\n        Supports B1200\/B1800 filters and Ca-K modules\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\n\n\u003c!-- more --\u003e\n\n\n \u003c!-- tabs --\u003e\n\u003cul class=\"tabs\"\u003e\n    \u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n    \u003cli\u003eSpecifications\u003c\/li\u003e\n    \u003cli\u003eIn the Box\u003c\/li\u003e\n    \u003cli\u003eDownloads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\n\n\u003cul class=\"tabs-content\"\u003e\n    \u003cli class=\"active\"\u003e       \n        \u003cdiv\u003e\n            \u003c!-- Title image text --\u003e\n            \u003cdiv class=\"DAV-bg-light\"\u003e\n                \u003c!-- Main Image --\u003e\n                \u003cdiv class=\"DAV-section-center\"\u003e\n                    \u003ch2\u003eLunt LS80MT H-alpha Solar Telescope\u003c\/h2\u003e\n                    \u003cp\u003eThe Lunt LS80MT Modular Telescope is a professional-grade optical system designed for astronomers who demand high solar performance without sacrificing portability or versatility. While larger observatory-class solar telescopes offer maximum resolution, the 80 mm aperture of the LS80MT represents the optimal balance within the Lunt lineup. It delivers approximately 75 percent more light-gathering power than 60 mm entry-level systems while remaining compact and lightweight enough for rapid setup and transport. Built around a precision FPL-53 ED doublet refractor, the LS80MT provides sharp, high-contrast performance for both solar chromospheric observation and nighttime astronomy.\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n\n         \u003c!-- image text --\u003e\n         \u003cdiv class=\"DAV-section-container\"\u003e\n            \u003c!-- Image Section --\u003e\n            \u003cdiv class=\"DAV-section-img\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LSS-LS80MT-Objective-Lens.jpg?v=1769186887\" alt=\"LS80MT Objective Lens\"\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- Text Section --\u003e\n            \u003cdiv class=\"DAV-section-text\"\u003e\n                \u003ch3\u003eOptical Design and Nighttime Performance\u003c\/h3\u003e                \n                \u003cp\u003e\n                    At its core, the LS80MT uses an 80 mm FPL-53 ED doublet objective with a focal length of 560 mm at f\/7. This optical configuration delivers excellent color correction, high contrast, and sharp star images when used as a nighttime refractor. In its non-solar configuration, the telescope functions as a true apochromatic refractor suitable for lunar, planetary, and deep-sky observing and imaging. The optical quality and focal ratio also make it well suited for modern astrophotography workflows when paired with appropriate accessories.\n                \u003c\/p\u003e\n                \n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n         \u003c!-- image text --\u003e\n         \u003cdiv class=\"DAV-section-container\"\u003e\n            \u003c!-- Image Section --\u003e\n            \u003cdiv class=\"DAV-section-img\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LSS-LS80MT-Etalon.jpg?v=1769186888\" alt=\"LS80MT Etalon\"\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- Text Section --\u003e\n            \u003cdiv class=\"DAV-section-text\"\u003e\n                \u003ch3\u003eHydrogen-Alpha Etalon System\u003c\/h3\u003e                \n                \u003cp\u003e\n                    For solar observation, the LS80MT integrates an internal Fabry-Pérot hydrogen-alpha etalon with a typical bandpass of less than 0.65 angstrom. This narrow spectral window isolates the hydrogen-alpha wavelength at 656.28 nm, revealing fine chromospheric structures such as filaments, prominences, plages, and active regions. The internal placement of the etalon protects it from environmental exposure and contributes to long-term stability and consistent optical performance under varying thermal conditions.\n                \u003c\/p\u003e\n                \n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n\n        \n         \u003c!-- image text --\u003e\n         \u003cdiv class=\"DAV-section-container\"\u003e\n            \u003c!-- Image Section --\u003e\n            \u003cdiv class=\"DAV-section-img\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LSS-LS80MT-Pressure-Tuner.jpg?v=1769186888\" alt=\"LS80MT Pressure Tuner\"\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- Text Section --\u003e\n            \u003cdiv class=\"DAV-section-text\"\u003e\n                \u003ch3\u003eTrue Doppler Pressure Tuning Technology\u003c\/h3\u003e                \n                \u003cp\u003e\n                    The LS80MT employs Lunt’s Internal Pressure Tuning system, a defining feature that provides significant advantages over mechanically tilt-tuned designs. By adjusting the internal air pressure within a sealed etalon chamber, the refractive index of the air is altered, shifting the etalon precisely onto the hydrogen-alpha wavelength. This barometric tuning method produces uniform contrast across the entire solar disk and minimizes field-dependent sweet spots. In addition, pressure tuning allows true Doppler shifting, enabling the observer to tune slightly on and off band to explore velocity-dependent solar phenomena. This capability is essential for studying the three-dimensional structure of filaments and the high-velocity dynamics of prominences and eruptive events along the solar limb.\n                \u003c\/p\u003e\n                \n            \u003c\/div\u003e\n        \u003c\/div\u003e\n        \n         \u003c!-- image text --\u003e\n         \u003cdiv class=\"DAV-section-container\"\u003e\n            \u003c!-- Image Section --\u003e\n            \u003cdiv class=\"DAV-section-img\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Lunt-Blocking-Filter-Diagonal-Straight-Through__59879.1598239736.1280.1280.jpg?v=1684343569\" alt=\"Lunt Blocking Filter\"\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- Text Section --\u003e\n            \u003cdiv class=\"DAV-section-text\"\u003e\n                \u003ch3\u003eBlocking Filter Options and Image Circle\u003c\/h3\u003e                \n                \u003cp\u003e A critical component of the LS80MT system is the blocking filter, which determines the size of the illuminated image circle and the suitability for different applications.                \u003c\/p\u003e\n                \u003cul\u003e\n                    \u003cli\u003e\n\u003cstrong\u003eB1200 (12mm):\u003c\/strong\u003eThis filter is the standard choice for visual observers. It provides a generous field of view that comfortably frames the entire solar disk, offering crisp views through most medium-to-high power eyepieces.\u003c\/li\u003e\n                    \u003cli\u003e\n\u003cstrong\u003eB1800 (12mm):\u003c\/strong\u003eFor the dedicated astrophotographer or those using larger-format sensors, the B1800 is the recommended upgrade. The larger aperture prevents vignetting on modern CMOS sensors and provides a wider, fully illuminated field. This extra \"breathing room\" is also beneficial for those using binoviewers or high-magnification Barlow lenses, ensuring that the solar limb remains fully bright and detailed across the entire frame.\u003c\/li\u003e\n                \u003c\/ul\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"DAV-section-container\"\u003e\n            \u003c!-- Image Section --\u003e\n            \u003cdiv class=\"DAV-section-img\"\u003e\n                \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Cb_TT_iejVM\" title=\"360 degree view 80mm Universal Day or Night All in One Telescope\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- Text Section --\u003e\n            \u003cdiv class=\"DAV-section-text\"\u003e\n                \u003ch3\u003eModular Architecture and Multi-Wavelength Capability\u003c\/h3\u003e                \n                \u003cp\u003e\n                    As part of Lunt’s MT series, the LS80MT is defined by its modular architecture. In its standard configuration, it operates as a dedicated hydrogen-alpha solar telescope. The entire H-alpha module can be removed, converting the instrument into a conventional 80 mm ED apochromatic refractor in minutes. This design allows seamless transition between solar observation and nighttime astronomy without permanent modification. The system is also compatible with Lunt Calcium-K modules and white-light Herschel wedges, providing a flexible and future-proof platform for multi-wavelength solar research.\n                \u003c\/p\u003e\n                \n            \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"DAV-section-container\"\u003e\n\n\n            \u003c!-- Text Section --\u003e\n            \u003cdiv class=\"DAV-section-text\"\u003e\n                \u003ch3\u003eMechanical Design and Build Quality\u003c\/h3\u003e                \n                \u003cp\u003e\n                    The LS80MT is constructed to the same standards as Lunt’s larger observatory instruments. It features a heavy-duty dual-speed rack-and-pinion focuser with a 10:1 fine-focus reduction, allowing precise focusing at high magnifications and during critical imaging. The optical tube is installed in CNC-machined mounting rings and a dedicated solar finder handle for safe and efficient alignment. The telescope is supplied in a custom-fitted, aluminum finished hard case, ensuring long-term protection and reliability under the demanding thermal conditions associated with solar observation.\n                \u003c\/p\u003e\n                \n            \u003c\/div\u003e\n        \u003c\/div\u003e\n\n\n\n    \n\n\n\n\n    \u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTelescope Type\u003c\/th\u003e\n      \u003ctd\u003eUniversal Day and Night\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eUniversal Capabilities\u003c\/th\u003e\n      \u003ctd\u003eH-alpha, CaK, White Light, Lunar, Planetary, Deep Space, Terrestrial\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eAperture\u003c\/th\u003e\n      \u003ctd\u003e80 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eObjective Type\u003c\/th\u003e\n      \u003ctd\u003eProfessional Grade ED Doublet\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eObjective Material\u003c\/th\u003e\n      \u003ctd\u003eFPL-53\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eObjective Coating\u003c\/th\u003e\n      \u003ctd\u003eIon Assisted Broadband AR\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eFocal Ratio\u003c\/th\u003e\n      \u003ctd\u003ef\/7\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eFocal Length\u003c\/th\u003e\n      \u003ctd\u003e560 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eMounting\u003c\/th\u003e\n      \u003ctd\u003eCNC Mounting Rings with Vixen Style Dovetail\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eStorage\u003c\/th\u003e\n      \u003ctd\u003eAluminum Finished Hard Case with Fitted Foam\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eH-alpha Etalon Type\u003c\/th\u003e\n      \u003ctd\u003eModular\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eEtalon Wavelength\u003c\/th\u003e\n      \u003ctd\u003e656.28 nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eEtalon Bandpass\u003c\/th\u003e\n      \u003ctd\u003e\u0026lt;0.65 Å Single Stack, \u0026lt;0.45 Å Double Stack\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eEtalon Material\u003c\/th\u003e\n      \u003ctd\u003eUV Grade Fused Silica\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eEtalon Tuning\u003c\/th\u003e\n      \u003ctd\u003eDoppler True Barometric Pressure Tuning\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eDoppler Shifting\u003c\/th\u003e\n      \u003ctd\u003eInstant\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBlocking Filter Size Options\u003c\/th\u003e\n      \u003ctd\u003e12 mm, 18 mm, Diagonal and Straight Through\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBlocking Filter Bandpass\u003c\/th\u003e\n      \u003ctd\u003e6 Å\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSun Finder\u003c\/th\u003e\n      \u003ctd\u003eRed Dot Sun Finder Handle\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTheoretical Maximum Magnification\u003c\/th\u003e\n      \u003ctd\u003e140×\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTelescope Weight\u003c\/th\u003e\n      \u003ctd\u003e9.25 lbs\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n    \u003c\/li\u003e\n    \n\n    \u003cli\u003e\n        \u003cul class=\"DAV-grid\"\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003eLS80MT Telescope\u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003eBlocking Filter\u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003eMounting Ring Assembly with Red Dot Sun Finder Handle\u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e2\" Nighttime Focuser\u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e6\" V-Series Dovetail\u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003eHard Case\u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003eWarranty Registration Instruction Card\u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/ul\u003e\n\u003c\/li\u003e\n            \u003c!-- Add more items as needed --\u003e\n                  \n    \n    \n    \u003cli\u003e\n        \u003cul class=\"DAV-grid\"\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS80MT-Manual.pdf?v=1769104803\" target=\"_blank\"\u003e\n                    \u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n                    \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003eDownload LS80MT Manual\u003c\/p\u003e\n                \u003c\/div\u003e\n                \u003c\/a\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS80MT-Conversion-Manual.pdf?v=1769104975\" target=\"_blank\"\u003e\n                    \u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n                    \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003eDownload LS80MT Conversion Manual\u003c\/p\u003e\n                \u003c\/div\u003e\n                \u003c\/a\u003e\n            \u003c\/li\u003e\n            \u003c!-- Add more items as needed --\u003e\n        \u003c\/ul\u003e\n    \u003c\/li\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"B1200","offer_id":44967530201373,"sku":"LSS-LS80MT\/B1200R\u0026P","price":4473.0,"currency_code":"CAD","in_stock":true},{"title":"B1800","offer_id":44967530299677,"sku":"LSS-LS80MT\/B1800R\u0026P","price":4893.0,"currency_code":"CAD","in_stock":true},{"title":"No Blocking Filter (LUNT BLOCKING FILTER IS REQUIRED TO USE THE SCOPE)","offer_id":50874734182685,"sku":"LSS-LS80MT\/R\u0026P","price":3633.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Lunt-LS80MT-1__84598.1598211029.1280.1280.jpg?v=1684343484"},{"product_id":"lunt-ls100mt-modular-solar-telescope-pressure-tuned","title":"Lunt LS100MT Modular Solar Telescope - Pressure Tuned","description":"\u003c!-- short description --\u003e\n\u003cul class=\"DAV-feature-list\"\u003e\n    \u003cli\u003e\n        100mm ED f\/7 H-alpha refractor\n    \u003c\/li\u003e\n    \u003cli\u003e\n        700mm focal length\n    \u003c\/li\u003e\n    \u003cli\u003e\n        Pressure tuning\n    \u003c\/li\u003e\n    \u003cli\u003e\n        Supports B1200\/B1800\/B3400 filters and Ca-K modules\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\n\u003c!-- tabs --\u003e\n\u003cul class=\"tabs\"\u003e\n    \u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n    \u003cli\u003eSpecifications\u003c\/li\u003e\n    \u003cli\u003eIn the Box\u003c\/li\u003e\n    \u003cli\u003eDownloads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs-content\"\u003e\n    \u003cli class=\"active\"\u003e       \n        \u003cdiv\u003e\n            \u003c!-- Title image text --\u003e\n            \u003cdiv class=\"DAV-bg-light\"\u003e\n                \u003cdiv class=\"DAV-section-center\"\u003e\n                    \u003ch2\u003eLunt LS100MT H-alpha Solar Telescope\u003c\/h2\u003e\n                    \u003cp\u003e\n                        The Lunt LS100MT Modular Telescope is a professional-grade optical system designed for astronomers who require increased resolution and light-gathering power without sacrificing modular flexibility. With its larger 100 mm aperture, the LS100MT delivers noticeably higher resolving power and image scale than smaller MT models, making it ideal for high-resolution solar observation and imaging. Built around a precision FPL-53 ED doublet refractor, the LS100MT provides exceptional contrast for hydrogen-alpha solar viewing while converting seamlessly into a premium nighttime apochromatic refractor.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- image text --\u003e\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-img\"\u003e\n                    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LSS-LS100MT-Objective-Lens.jpg\" alt=\"LS100MT Objective Lens\"\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003eOptical Design and Nighttime Performance\u003c\/h3\u003e                \n                    \u003cp\u003e\n                        The LS100MT is based on a 100 mm FPL-53 ED doublet objective with a focal length of 700 mm at f\/7. This configuration delivers excellent chromatic correction, increased resolving power, and high contrast for both visual observing and imaging. When configured for nighttime use, the LS100MT functions as a true apochromatic refractor suitable for lunar, planetary, and deep-sky observation. The longer focal length provides a more favorable image scale for high-resolution planetary imaging and detailed visual work.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- image text --\u003e\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-img\"\u003e\n                    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LSS-LS100MT-Etalon.jpg\" alt=\"LS100MT Etalon\"\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003eHydrogen-Alpha Etalon System\u003c\/h3\u003e                \n                    \u003cp\u003e\n                        For solar observing, the LS100MT integrates an internal Fabry-Pérot hydrogen-alpha etalon with a typical bandpass of less than 0.65 angstrom. This narrow spectral window isolates the hydrogen-alpha wavelength at 656.28 nm, revealing fine chromospheric structures such as filaments, prominences, plages, and active regions. The internal etalon design ensures long-term stability and protects critical optical components from environmental and thermal influences.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- image text --\u003e\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-img\"\u003e\n                    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LSS-LS100MT-Pressure-Tuner.jpg\" alt=\"LS100MT Pressure Tuner\"\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003eTrue Doppler Pressure Tuning Technology\u003c\/h3\u003e                \n                    \u003cp\u003e\n                        The LS100MT employs Lunt’s Internal Pressure Tuning system to precisely align the etalon to the hydrogen-alpha wavelength. By varying the internal air pressure inside a sealed chamber, the refractive index of the air is adjusted without mechanical tilt. This approach produces uniform contrast across the entire solar disk and minimizes field-dependent sweet spots. Pressure tuning also enables true Doppler shifting, allowing observers to tune on and off band to study velocity-dependent solar features such as filament structure and prominence dynamics.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- image text --\u003e\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-img\"\u003e\n                    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Lunt-Blocking-Filter-Diagonal-Straight-Through__59879.1598239736.1280.1280.jpg\" alt=\"Lunt Blocking Filter\"\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003eBlocking Filter Options and Image Circle\u003c\/h3\u003e                \n                    \u003cp\u003e\n                        The blocking filter determines the illuminated image circle and overall system suitability for visual observing and imaging. Due to the increased aperture and resolving power of the LS100MT, proper blocking filter selection is especially important.\n                    \u003c\/p\u003e\n                    \u003cul\u003e\n                        \u003cli\u003e\n\u003cstrong\u003eB1200 (12mm):\u003c\/strong\u003e Suitable for visual observing and full-disk solar views.\u003c\/li\u003e\n                        \u003cli\u003e\n\u003cstrong\u003eB1800 (18mm):\u003c\/strong\u003e Recommended for imaging, binoviewers, and larger-format sensors.\u003c\/li\u003e\n                        \u003cli\u003e\n\u003cstrong\u003eB3400 (34mm):\u003c\/strong\u003e Ideal for advanced imaging with large-format sensors, mosaics, and maximum fully illuminated field.\u003c\/li\u003e\n                    \u003c\/ul\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-img\"\u003e\n                    \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Cb_TT_iejVM\" title=\"360 degree view 100mm Universal Day or Night All in One Telescope\" frameborder=\"0\" allowfullscreen\u003e\u003c\/iframe\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003eModular Architecture and Multi-Wavelength Capability\u003c\/h3\u003e                \n                    \u003cp\u003e\n                        As part of Lunt’s MT series, the LS100MT features a fully modular architecture. In its standard configuration, it operates as a dedicated hydrogen-alpha solar telescope. The H-alpha module can be completely removed, converting the instrument into a 100 mm ED apochromatic refractor for nighttime astronomy in minutes. The system is compatible with Lunt Calcium-K modules and white-light Herschel wedges, offering a flexible and future-proof platform for multi-wavelength solar research.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003eMechanical Design and Build Quality\u003c\/h3\u003e                \n                    \u003cp\u003e\n                        The LS100MT is constructed to observatory-grade standards and features a heavy-duty dual-speed rack-and-pinion focuser with a 10:1 fine-focus reduction for precise focusing at high magnifications. The optical tube is mounted in CNC-machined rings and includes a dedicated solar finder handle for safe alignment. The telescope is supplied in a custom-fitted, aluminum finished hard case, ensuring durability and long-term reliability under demanding solar observing conditions.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/li\u003e\n\n    \u003cli\u003e\n        \u003ctable class=\"DAV-Specifications\"\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd\u003eUniversal Day and Night\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eUniversal Capabilities\u003c\/th\u003e\n\u003ctd\u003eH-alpha, CaK, White Light, Lunar, Planetary, Deep Space, Terrestrial\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eObjective Type\u003c\/th\u003e\n\u003ctd\u003eProfessional Grade ED Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eObjective Material\u003c\/th\u003e\n\u003ctd\u003eFPL-53\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eObjective Coating\u003c\/th\u003e\n\u003ctd\u003eIon Assisted Broadband AR\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd\u003e700 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eEtalon Wavelength\u003c\/th\u003e\n\u003ctd\u003e656.28 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eEtalon Bandpass\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;0.65 Å Single Stack, \u0026lt;0.45 Å Double Stack\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eEtalon Tuning\u003c\/th\u003e\n\u003ctd\u003eDoppler True Barometric Pressure Tuning\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eBlocking Filter Options\u003c\/th\u003e\n\u003ctd\u003e12 mm, 18 mm, 34 mm, Diagonal and Straight Through\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eTheoretical Maximum Magnification\u003c\/th\u003e\n\u003ctd\u003e200×\u003c\/td\u003e\n\u003c\/tr\u003e\n                \u003ctr\u003e\n\u003cth\u003eTelescope Weight\u003c\/th\u003e\n\u003ctd\u003e14.5 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/li\u003e\n\n    \u003cli\u003e\n        \u003cul class=\"DAV-grid\"\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\u003cp class=\"DAV-item-title\"\u003eLS100MT Telescope\u003c\/p\u003e\u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\u003cp class=\"DAV-item-title\"\u003eBlocking Filter\u003c\/p\u003e\u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\u003cp class=\"DAV-item-title\"\u003eMounting Ring Assembly with Sun Finder Handle\u003c\/p\u003e\u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\u003cp class=\"DAV-item-title\"\u003e2\" Nighttime Focuser\u003c\/p\u003e\u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\u003cp class=\"DAV-item-title\"\u003eV-Series Dovetail\u003c\/p\u003e\u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\u003cp class=\"DAV-item-title\"\u003eHard Case\u003c\/p\u003e\u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\u003cp class=\"DAV-item-title\"\u003eWarranty Registration Card\u003c\/p\u003e\u003c\/li\u003e\n        \u003c\/ul\u003e\n    \u003c\/li\u003e\n\n    \u003cli\u003e\n        \u003cul class=\"DAV-grid\"\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cp class=\"DAV-item-title\"\u003eLS100MT Manual\u003c\/p\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cp class=\"DAV-item-title\"\u003eLS100MT Conversion Manual\u003c\/p\u003e\n            \u003c\/li\u003e\n        \u003c\/ul\u003e\n    \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"B1800","offer_id":45086527127837,"sku":"LSS-LS100MT\/B1800R\u0026P","price":6993.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS100MT-Modular-Solar-Telescope-1__82924.1598302103.1280.1280.jpg?v=1684343509"},{"product_id":"lunt-ls130mt-modular-solar-telescope-pressure-tuned","title":"Lunt LS130MT Modular Solar Telescope - Pressure Tuned","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e130mm Aperture Triplet ED Objective Lens\u003c\/li\u003e\n\u003cli\u003eModular design for both H-Alpha solar and nighttime astronomical viewing\u003c\/li\u003e\n\u003cli\u003eInternal, unobstructed H-Alpha etalon with Lunt's pressure-tuning system\u003c\/li\u003e\n\u003cli\u003eAvailable with B1200, B1800, or B3400 blocking filters\u003c\/li\u003e\n\u003cli\u003eConverts to a dedicated nighttime refractor for deep-sky and planetary use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eLunt LS130MT Modular Solar Telescope - Pressure Tuned\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS130MT Modular Solar Telescope centers on a 130mm triplet ED objective, providing a premium optical foundation for both H-alpha and nighttime astronomy. This pressure-tuned system is available with your choice of a B1200, B1800, or B3400 blocking filter to optimize the view for your specific imaging or visual goals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 130mm Triplet ED Optical Foundation\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS130MT is a precision-aligned 130mm triplet apochromatic lens. Using an ED (Extra-low Dispersion) glass element, this objective dramatically reduces chromatic aberration, delivering sharp, high-contrast images with neutral color. This optical excellence is critical for revealing fine details in the Sun's chromosphere and serves as the bedrock for its equally impressive performance as a nighttime instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePressure-Tuned H-Alpha Engine for Maximum Contrast\u003c\/h3\u003e\n\u003cp\u003eLunt's innovative pressure-tuning system allows you to precisely adjust the bandpass of the internal H-alpha etalon. By changing the air pressure, you can shift the filter's central wavelength to isolate specific solar features. This gives you the ability to enhance surface granulation, filaments, or shift to the limb to catch faint, erupting prominences against the blackness of space, all without introducing obstructions into the optical path.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eModular Design: 2 Telescopes in 1 System\u003c\/h3\u003e\n\u003cp\u003eThe \"MT\" (Modular Telescope) designation signifies true dual-purpose capability. In its primary configuration, it is a world-class solar telescope. By removing the red H-alpha module and adding the appropriate nighttime accessories, the LS130MT transforms into a premium 130mm ED refractor. This versatility allows you to invest in a single, high-end optical tube for observing everything from solar flares to the rings of Saturn and the dust lanes in the Andromeda Galaxy (M31).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eChoosing Your Blocking Filter: B1200, B1800, or B3400\u003c\/h3\u003e\n\u003cp\u003eThe selection of a blocking filter is crucial for tailoring the LS130MT to your observing style. The filter size determines the illuminated field of view at the eyepiece or camera sensor, with larger filters being essential for imaging.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB1200 (12mm):\u003c\/strong\u003e Ideal for visual observation, providing a generous field for viewing the full solar disk and individual features.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB1800 (18mm):\u003c\/strong\u003e The preferred choice for imaging with smaller-chip cameras, ensuring the entire sensor is illuminated for full-disc solar portraits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB3400 (34mm):\u003c\/strong\u003e A necessity for serious imagers using large-format CCD, CMOS, or DSLR cameras, preventing any vignetting across the field.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLS130MT vs. LS100MT: The Impact of 30mm More Aperture\u003c\/h3\u003e\n\u003cp\u003eCompared to its 100mm sibling, the LS130MT offers a significant step up in optical power. The larger 130mm aperture gathers more light and achieves higher resolution, resulting in brighter images and the ability to resolve finer, more delicate structures within solar prominences and surface plages. For nighttime use, this aperture increase translates to brighter views of faint deep-sky objects and more detailed observations of the planets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the LS130MT's pressure-tuning system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Lunt pressure-tuning system provides a more precise and uniform method of tuning the H-alpha etalon compared to mechanical tilt-tuning. It adjusts the refractive index of the air between the etalon plates, keeping the filter perfectly on-axis with the optical train. This results in a more consistent bandpass across the entire field of view, which is critical for high-resolution imaging and detecting subtle solar features.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I convert the Lunt LS130MT from solar to nighttime viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eConverting the LS130MT is a straightforward process. You simply unthread and remove the red hydrogen-alpha module from the main telescope tube. Once removed, you can attach a standard focuser (available separately) to the rear of the optical tube, transforming it into a high-end 130mm ED refractor ready for star diagonals, eyepieces, or an imaging camera for deep-sky use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich blocking filter (B1200, B1800, B3400) is right for my LS130MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYour choice depends on your primary use. For \u003cstrong\u003evisual-only observing\u003c\/strong\u003e, the \u003cstrong\u003eB1200\u003c\/strong\u003e is sufficient and provides excellent views. For \u003cstrong\u003eimaging with smaller cameras\u003c\/strong\u003e (like planetary cameras or small-chip astro cameras), the \u003cstrong\u003eB1800\u003c\/strong\u003e is recommended to avoid vignetting. For \u003cstrong\u003efull-disc imaging with large sensors\u003c\/strong\u003e (APS-C DSLRs or larger dedicated astronomy cameras), the \u003cstrong\u003eB3400\u003c\/strong\u003e is required to fully illuminate the chip.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the LS130MT perform on planets like Jupiter at night?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAs a 130mm triplet ED refractor, the LS130MT will provide exceptional planetary views. The apochromatic optics will deliver sharp, color-free images, allowing you to resolve fine details like the Cassini Division in Saturn's rings, multiple cloud bands on Jupiter, the Great Red Spot, and dusky markings on Mars when atmospheric seeing conditions are good.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I double-stack the Lunt LS130MT for higher contrast solar views?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the LS130MT is designed to be double-stacked. By adding an optional, external double-stacking filter, you can narrow the H-alpha bandpass significantly. This increases contrast dramatically, making faint surface details like the chromospheric network and active region fibrils \"pop\" into view with nearly three-dimensional clarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount is required for the Lunt LS130MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Lunt LS130MT is a substantial optical tube. You will need a stable, high-quality astronomical mount with a payload capacity sufficient to handle the telescope's weight plus any additional accessories like cameras, finders, or double-stacking filters. A mid-sized German equatorial mount is typically recommended for both visual stability and tracking for imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eLS130MT OTA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Blocking Filters\u003c\/td\u003e\n\u003ctd\u003eB1200, B1800, B3400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThis product is an optical tube assembly. Package contents will vary based on the specific configuration and blocking filter chosen. Please refer to the documentation for your selected package for a complete list of included items.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt_Solar_Systems_LS130MT_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"B1200 \/ Rack \u0026 Pinion","offer_id":44967531774237,"sku":"LSS-LS130MT\/B1200RP","price":10639.0,"currency_code":"CAD","in_stock":true},{"title":"B1800 \/ Rack \u0026 Pinion","offer_id":44967531839773,"sku":"LSS-LS130MT\/B1800RP","price":10982.0,"currency_code":"CAD","in_stock":true},{"title":"B3400 \/ Rack \u0026 Pinion","offer_id":44967531905309,"sku":"LSS-LS130MT\/B3400RP","price":13087.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Lunt-LS130MT-Modular-Solar-Telescope-1__65063.1598298937.1280.1280.jpg?v=1684343539"},{"product_id":"lunt-40mm-solar-telescope","title":"Lunt 40mm Solar Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e40mm Aperture\u003c\/li\u003e\n\u003cli\u003e400mm Focal Length (f\/10)\u003c\/li\u003e\n\u003cli\u003e~0.65 Angstrom Bandpass\u003c\/li\u003e\n\u003cli\u003eExternal, Tilt-Tuned Etalon\u003c\/li\u003e\n\u003cli\u003eMultiple Blocking Filter Options (B500, B600, B1200)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eLunt 40mm Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Lunt 40mm Solar Telescope delivers high-contrast views of the solar chromosphere through a 40mm doublet refractor optical system with a 400mm focal length. Its front-mounted, tilt-tuned etalon achieves a narrow ~0.65 Angstrom bandpass, resolving fine details like solar prominences and surface filaments. This design produces a solar image size of ~3.67 mm, which can be optimized for visual or imaging use by selecting the appropriate blocking filter diagonal (B500, B600, or B1200).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA ~0.65Å Bandpass from a 40mm Front-Mounted Etalon\u003c\/h3\u003e\n\u003cp\u003eThe core of the Lunt 40mm is its unobstructed 40mm external etalon. Placing the filter at the front of the 400mm focal length optical path ensures even illumination and thermal stability. The ~0.65 Angstrom bandpass is significantly narrower than competing entry-level solar scopes, allowing you to see prominences and surface detail with enhanced contrast against a dark sky background. Tuning is accomplished by tilting the etalon, shifting the bandpass to zero in on specific features in the 656.28 nm H-alpha line.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB500, B600, and B1200 Blocking Filters for Visual and Imaging\u003c\/h3\u003e\n\u003cp\u003eThe blocking filter is a critical second stage in any H-alpha system, and the Lunt 40mm integrates it directly into the star diagonal. The choice of blocking filter determines the unvignetted field of view around the ~3.67 mm solar disk. This OTA is available with multiple blocking filter sizes to match your observing goals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB500 \/ B600 Filters:\u003c\/strong\u003e These options are ideal for visual observation, providing a generous field around the Sun to frame prominences without introducing unnecessary cost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB1200 Filter:\u003c\/strong\u003e Recommended for imagers, the larger 12mm aperture of the B1200 provides a much wider, fully illuminated field of view. This prevents vignetting on the larger sensors common in modern solar system cameras.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHelical Focuser with a 1.25\" FeatherTouch Upgrade Path\u003c\/h3\u003e\n\u003cp\u003eOut of the box, the Lunt 40mm includes a robust helical focuser. This mechanism is simple, compact, and holds focus well, making it ideal for a portable grab-and-go instrument. For users seeking the highest level of precision, the focuser is directly upgradeable to a 1.25\" Starlight Instruments FeatherTouch focuser, a common standard for premium astronomical equipment. This provides a clear and simple path to improving the telescope's mechanical performance without requiring custom adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLunt 40mm vs. Coronado PST: A Tighter ~0.65Å Bandpass\u003c\/h3\u003e\n\u003cp\u003eThe primary competitor to the Lunt 40mm is the Coronado Personal Solar Telescope (PST). While both are 40mm H-alpha telescopes, they differ in key design areas. The PST's main advantage is often its lower price point.\u003c\/p\u003e\n\u003cp\u003eThe Lunt 40mm, however, offers a distinct optical advantage with its ~0.65 Angstrom bandpass, which is significantly narrower than the PST's specified \u0026lt;1.0 Angstrom bandpass. This tighter bandpass directly translates to higher-contrast views of solar surface features. Additionally, the Lunt's external etalon design and the ability to upgrade to a FeatherTouch focuser provide a higher performance ceiling for serious observers and imagers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat solar features can I see with the Lunt 40mm Solar Telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith its \u003cstrong\u003e~0.65 Angstrom bandpass\u003c\/strong\u003e, the Lunt 40mm is designed to show details in the Sun's chromosphere. You can expect to clearly see solar prominences (eruptions at the limb), filaments (dark ribbons crossing the surface), active regions, and some surface granulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the B600 and B1200 blocking filters on the Lunt 40mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe blocking filter size determines the size of the illuminated field of view around the Sun.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eB600\u003c\/strong\u003e (6mm) is excellent for visual use, providing enough space to frame the solar disk and any surrounding prominences.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003eB1200\u003c\/strong\u003e (12mm) is recommended for imaging. Its larger aperture prevents the edges of your camera sensor from being darkened by vignetting, ensuring an evenly lit image.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Lunt 40mm perform when viewing a large solar prominence?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Lunt 40mm is an excellent instrument for prominence viewing. The ~0.65Å bandpass provides a dark background, making faint prominence details stand out. The tilt-tuning mechanism allows you to slightly shift the wavelength to brighten the prominence against the blackness of space, revealing delicate loop and arch structures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use a high-frame-rate camera with the Lunt 40mm Solar Telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Lunt 40mm is suitable for imaging with modern solar system cameras. For best results, it is highly recommended to choose the \u003cstrong\u003eB1200 blocking filter\u003c\/strong\u003e option. This will provide an unvignetted field for most standard 1.25\" format imaging sensors, allowing you to capture the entire solar disk without dark corners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I choose the Lunt 40mm over the Coronado PST?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary reason is optical contrast. The Lunt 40mm's \u003cstrong\u003e~0.65 Angstrom bandpass\u003c\/strong\u003e is significantly narrower than the PST's \u0026lt;1.0 Angstrom specification, resulting in more detailed views of surface features like filaments. The Lunt also offers a direct upgrade path to a premium \u003cstrong\u003e1.25\" FeatherTouch focuser\u003c\/strong\u003e, a significant mechanical advantage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the helical focuser on the Lunt 40mm difficult to use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe helical focuser is very straightforward. It operates by twisting the eyepiece holder to move the eyepiece in and out. While it may not offer the fine control of a dual-speed Crayford, it is robust, holds focus well, and is very compact, which is a benefit for portability and travel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eDoublet refractor optimised for 656.28 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtalon\u003c\/td\u003e\n\u003ctd\u003eExternal, front mounted, tilt tuned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e~0.65 Angstrom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eIntegrated into diagonal; B500, B600, or B1200 options available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolar Image Size\u003c\/td\u003e\n\u003ctd\u003e~3.67 mm (with 5 mm blocking filter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eHelical, upgradeable to a 1.25\" FeatherTouch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Number\u003c\/td\u003e\n\u003ctd\u003eLS40 OTA Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt_Solar_Systems_40mm_Solar_Telescope_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"B600 \/ Helical Focuser","offer_id":44967532757277,"sku":"LSS-LS40THa\/B600","price":1253.0,"currency_code":"CAD","in_stock":true},{"title":"B500 \/ Helical Focuser","offer_id":44967532724509,"sku":"LSS-LS40THa\/B500","price":1049.0,"currency_code":"CAD","in_stock":false},{"title":"B1200 \/ Helical Focuser","offer_id":44967532790045,"sku":"LSS-LS40THa\/B1200","price":1393.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS40Tha.jpg?v=1737952324"},{"product_id":"lunt-ls50tha-ha-telescope","title":"Lunt LS50THa Ha Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e50mm Dedicated Hydrogen-Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003eInternal Pressure Tuner (PT) System\u003c\/li\u003e\n\u003cli\u003eB600 Blocking Filter for Visual Use\u003c\/li\u003e\n\u003cli\u003eRack \u0026amp; Pinion Focuser\u003c\/li\u003e\n\u003cli\u003eIdeal for Introduction to Solar Observing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eLunt LS50THa Ha Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS50THa Hydrogen-Alpha Telescope is a complete system designed for the dedicated solar observer, combining a 50mm objective lens with an internal etalon and a B600 blocking filter. This instrument utilizes Lunt's advanced pressure-tuning technology to give you precise, uniform control over the filter's bandpass, revealing dynamic details like prominences, filaments, and surface granulation across the entire solar disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e50mm Hydrogen-Alpha Optics: Your First View of a Dynamic Sun\u003c\/h3\u003e\n\u003cp\u003eWith a 50mm front objective, the LS50THa gathers enough light to produce bright, detailed views of the Sun's chromosphere. This aperture is the perfect entry point for serious solar observation, allowing you to clearly resolve arching prominences lifting off the solar limb and dark filaments snaking across the Sun's face. The view is a dramatic step up from smaller, entry-level instruments, providing the resolution needed for basic solar research and daily monitoring of solar activity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLunt Pressure Tuner: Uniform Tuning Across the Solar Disk\u003c\/h3\u003e\n\u003cp\u003eUnlike more common tilt-tuned systems, the LS50THa incorporates Lunt's Pressure Tuner (PT). This system adjusts the air pressure between the etalon elements, changing the refractive index to shift the filter's bandpass. The result is a perfectly even, on-band view across the entire field, free from the gradients or \"sweet spots\" that can compromise tilt-tuned designs. This gives you finer control to highlight specific features, whether you're targeting a faint prominence or enhancing the contrast of surface plage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe B600 Blocking Filter and Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eThis package includes the B600 blocking filter, which contains a 6mm filter ideal for visual observation. It provides a generous field of view that fully illuminates the solar disk when used with most Plössl or wide-field eyepieces. The included rack \u0026amp; pinion focuser provides smooth, reliable focusing to achieve a sharp image without the backlash common in lower-quality focusers, completing the LS50THa as a robust, ready-to-use instrument for exploring our nearest star.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I expect to see with the Lunt LS50THa telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Lunt LS50THa is designed to reveal the Sun's dynamic chromosphere in the hydrogen-alpha wavelength. You can observe key solar features such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProminences:\u003c\/strong\u003e Bright, arching structures of plasma extending from the Sun's limb (edge).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilaments:\u003c\/strong\u003e The same structures as prominences, but seen as dark, thread-like features against the brighter solar disk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Granulation:\u003c\/strong\u003e The convective cell patterns on the Sun's surface, which look like grains of rice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlage:\u003c\/strong\u003e Bright, active regions often found near sunspots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the Pressure Tuner on the LS50THa different from a tilt-tuner?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003ePressure Tuner (PT)\u003c\/strong\u003e adjusts the filter bandpass by changing the air pressure inside the etalon assembly. This provides a more uniform, even view across the entire field. A tilt-tuner physically tilts the etalon, which can introduce a slight brightness gradient and is generally less precise. The PT system is considered a premium feature that ensures optimal contrast everywhere in the eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Lunt LS50THa to see solar flares and prominences during a solar maximum?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The LS50THa is an excellent instrument for observing the heightened activity of a solar maximum. During this period, you will see more frequent and dramatic prominences, larger and more complex sunspot groups (in white light with a proper filter, not H-alpha), and a greater chance of observing the bright, transient flash of a solar flare.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the \"B600\" blocking filter designation for the LS50THa mean?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \"B600\" refers to the blocking filter having a \u003cstrong\u003e6mm clear aperture\u003c\/strong\u003e. This size is optimized for visual observing and ensures the entire solar disk is illuminated without vignetting when used with most eyepieces. While it can be used for some basic imaging with small-chip cameras, a larger blocking filter (like a B1200) is recommended for cameras with larger sensors to avoid darkening at the edges of the frame.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Lunt LS50THa portable enough for a \"grab-and-go\" mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the LS50THa is very compact and lightweight, making it a perfect match for small, portable mounts like the Sky-Watcher AZ-GTI or a simple photo tripod with a fluid video head. Its small size makes it an ideal instrument for quick setup in your backyard or for traveling to outreach events and eclipses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I upgrade the Lunt LS50THa for higher-contrast views?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, one of the key advantages of the Lunt system is its upgradability. You can add an external double-stacking filter (like the LS50FHa) to the front of the LS50THa. This narrows the filter bandpass, which significantly increases contrast on surface details like filaments and active regions, providing a more three-dimensional appearance to the solar disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eLS50THa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt_Solar_Systems_LS50THaPT_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"B600 \/ 1.25\" R\u0026P Focuser","offer_id":51068691218717,"sku":"LSS-LS50THa\/B600R\u0026P","price":1533.0,"currency_code":"CAD","in_stock":true},{"title":"B600 \/ Helical Focuser","offer_id":44967532855581,"sku":"LSS-LS50THa\/B600PT","price":1393.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Lunt-LS50THa-Solar-Telescope-1__63228.1598295758.1280.1280.jpg?v=1684343551"},{"product_id":"lunt-ls152tha-solar-telescope-pressure-tuned","title":"Lunt LS152THa Solar Telescope - Pressure Tuned","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDedicated Hydrogen-Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003eDoppler True Pressure Tuning System\u003c\/li\u003e\n\u003cli\u003eInternal High Definition (HD) Etalon\u003c\/li\u003e\n\u003cli\u003e100% Unobstructed Optical Design\u003c\/li\u003e\n\u003cli\u003eRack \u0026amp; Pinion Focuser\u003c\/li\u003e\n\u003cli\u003eRequires Lunt Solar Blocking Filter (Sold Separately or User-Supplied)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eLunt LS152THa Solar Telescope - Pressure Tuned\u003c\/h2\u003e\n      \u003cp\u003eAs the largest solar telescope currently available from Lunt, the LS152THa delivers the ultimate balance of resolution and image scale for dedicated solar astronomy. This refractor-based system uses a 100% unobstructed internal HD Etalon with a Doppler True Pressure Tuning system to reveal the Sun's chromosphere with breathtaking clarity. It is engineered for the intermediate to advanced observer who demands the highest level of detail for both visual observation and high-end digital imaging.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe Largest Unobstructed H-Alpha System from Lunt\u003c\/h3\u003e\n      \u003cp\u003eThe LS152THa is built around a large front objective and an unobstructed internal etalon. This design eliminates the central obstruction found in some other telescope designs, resulting in higher contrast and sharpness across the entire field of view. Paired with advanced high-contrast coatings, the optical system performs at the highest level, revealing fine granulation, intricate filamentary structures, and dynamic prominence details.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n    \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eDoppler True Pressure Tuning for 3D Solar Views\u003c\/h3\u003e\n      \u003cp\u003eThe core of the LS152THa is its Doppler True Pressure Tuning system, which provides an order of magnitude more precision than other tuning methods. This system allows you to precisely shift the bandpass of the internal etalon, targeting solar features moving towards or away from you. When observing a filament on the solar disk, you can follow its structure from base to tip, creating an enhanced, three-dimensional-like viewing experience that is invaluable for both visual observers and researchers.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eA Ready-to-Mount Optical Tube Assembly\u003c\/h3\u003e\n      \u003cp\u003eThe Lunt LS152THa arrives as a complete optical tube assembly, ready for your existing mount. The system includes a precision Rack \u0026amp; Pinion focuser for smooth, repeatable focusing, critical for high-magnification viewing and imaging. It also comes with mounting rings, a dovetail plate, a Red Dot Sun Finder for safe and easy aiming, and a durable, aluminum-reinforced case for transport and storage.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eDay-to-Night and Multi-Wavelength Versatility\u003c\/h3\u003e\n      \u003cp\u003eWhile the LS152THa is a premier H-alpha instrument, its utility extends beyond a single wavelength. An optional, interchangeable CaK module is available, allowing you to study the Sun in the Calcium-K line through the same optical platform. Furthermore, with a special backing plate and focuser kit (sold separately), the entire telescope can be converted for nighttime astronomical use, turning your world-class solar scope into a high-quality refractor for deep-sky and planetary observing.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Lunt LS152THa come with a blocking filter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo, this is an Optical Tube Assembly (OTA) package and a \u003cstrong\u003eLunt Solar Blocking Filter is required for operation\u003c\/strong\u003e. You must either use a Lunt blocking filter you already own or purchase one separately. Lunt offers the B1200, B1800, and B3400 blocking filters, with the choice depending on your intended use (visual vs. imaging) and the sensor size of your camera.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Pressure Tuner on the LS152THa help when observing solar filaments?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Doppler True Pressure Tuning system allows you to make extremely fine adjustments to the observed wavelength. This lets you isolate features moving at different velocities relative to you. For a solar filament, you can tune from the light emitted at its base (on the chromosphere) through its structure as it extends towards or away from you, creating a remarkable 3D effect and revealing structural details that are otherwise invisible.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Lunt LS152THa telescope at night?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The LS152THa is unique in that it can be converted for nighttime astronomical viewing. By purchasing the optional backing plate and focuser kit, you can reconfigure the telescope to function as a high-quality refractor for observing planets, the Moon, and deep-sky objects like star clusters and nebulae.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is 'Doppler True Tuning' in the Lunt LS152THa?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIt is Lunt's proprietary, pressure-based system for adjusting the internal H-alpha etalon. By changing the air pressure in the etalon chamber, the system precisely controls the filter's central wavelength. This allows an observer to compensate for the Doppler effect, bringing into sharp contrast solar features that are moving at high velocity, such as active regions and eruptions.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the LS152THa over smaller Lunt solar telescopes?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe primary advantage of the Lunt LS152THa is its large, unobstructed aperture. This provides significantly higher resolution compared to smaller instruments, allowing you to see finer details in solar prominences, smaller structures within filaments, and the texture of the solar granulation and plage with greater clarity, especially at high magnification.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I do CaK solar observing with the Lunt LS152THa?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the LS152THa is a modular system. You can purchase an optional, interchangeable CaK (Calcium-K) module from Lunt. This allows you to switch from H-alpha to CaK observing, enabling the study of a different, higher-energy layer of the Sun's atmosphere through the same telescope platform.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGTIN\u003c\/td\u003e\n\u003ctd\u003eLS152THa OTA\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAvailable Options\u003c\/td\u003e\n\u003ctd\u003eNo Blocking Filter, B1200, B1800, B3400 Blocking Filters\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt_Solar_Systems_LS152THa_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"No Blocking Filter","offer_id":44967533183261,"sku":"LSS-LS152THa\/R\u0026P","price":10989.0,"currency_code":"CAD","in_stock":true},{"title":"B1200","offer_id":44967533216029,"sku":"LSS-LS152THa\/B1200","price":11619.0,"currency_code":"CAD","in_stock":true},{"title":"B1800","offer_id":44967533248797,"sku":"LSS-LS152THa\/B1800","price":11962.0,"currency_code":"CAD","in_stock":true},{"title":"B3400","offer_id":44967533281565,"sku":"LSS-LS152THa\/B3400","price":14731.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Lunt-LS152THa-Solar-Telescope-1__42980.1598291514.1280.1280.jpg?v=1684343560"},{"product_id":"lunt-ls230tha-double-stack-solar-telescope-pressure-tuned","title":"Lunt LS230THa Double Stack Solar Telescope - Pressure Tuned","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e230mm Unobstructed Aperture\u003c\/li\u003e\n\u003cli\u003e1,610mm Focal Length (f\/7)\u003c\/li\u003e\n\u003cli\u003eInternal Double-Stack Etalon System (~0.30Å Bandpass)\u003c\/li\u003e\n\u003cli\u003eDual PC-USB Pressure Tuner Controllers\u003c\/li\u003e\n\u003cli\u003eB3400 Blocking Filter (34mm Clear Aperture)\u003c\/li\u003e\n\u003cli\u003eStarlight Instruments 2\" Feather Touch Focuser\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eLunt LS230THa Double Stack Solar Telescope - Pressure Tuned\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS230THa is built around a 230mm f\/7 FLP51 air-spaced doublet objective, establishing it as the largest commercially available H-alpha solar telescope in the world. Its internal, double-stacked etalon system achieves a combined bandpass of approximately 0.30Å for maximum chromospheric contrast. The optical train terminates with a B3400 blocking filter, providing a 34mm clear aperture to illuminate large-format sensors at the scope's native 1,610mm focal length. This instrument is one of only five units ever to be produced.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe World's Only 230mm f\/7 Solar Refractor\u003c\/h3\u003e\n\u003cp\u003eAt 230mm of fully unobstructed aperture, the LS230THa is an instrument without peer. The f\/7 FLP51 air-spaced doublet objective is optimized from design to coating for the hydrogen-alpha wavelength of 656.28nm. The front element features a custom IR reflective coating that removes the bulk of solar thermal energy before it enters the optical tube, ensuring thermal stability for the precision etalons that follow.\u003c\/p\u003e\n\u003cp\u003eThis uncompromising focus on solar observation makes the LS230THa entirely unsuitable for night-sky use. It is a dedicated instrument designed to deliver the highest-resolution view of the solar chromosphere possible, limited only by the Earth's atmosphere—not its own optics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHand-Matched ~0.30Å Double-Stack Etalon System\u003c\/h3\u003e\n\u003cp\u003eThe LS230THa is double-stacked as standard. The system pairs a 0.6Å etalon with a new-generation 0.35Å etalon, with the final combined bandpass for each of the five instruments verified at ~0.30Å. This is not a simple addition; each etalon pair is hand-matched and individually tested to ensure the combined system achieves peak uniformity and contrast across the full 230mm aperture.\u003c\/p\u003e\n\u003cp\u003eThe result is a view where chromospheric structures are rendered with definitive contrast. Filaments resolve into dark, multi-strand systems, active regions show clear fibril organization, and prominences at the limb reveal intricate internal threading and flow patterns.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHRG Filter and B3400 for a 34mm High-Contrast View\u003c\/h3\u003e\n\u003cp\u003eIntegral to the LS230THa's optical path is a High Resolution Glass (HRG) filter. This component eliminates the off-band solar continuum glow that can wash out faint details, producing a genuinely dark background. This maximizes the perceived contrast and three-dimensional texture of the chromosphere.\u003c\/p\u003e\n\u003cp\u003eThe light path terminates in an internal, Lunt-modified B3400 blocking filter. With 34mm of clear aperture, it fully illuminates even large imaging sensors, preventing vignetting and ensuring the entire 16mm solar disk image is delivered to the focal plane with maximum brightness and uniformity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDual PC-USB Controllers for 0.3 PSI Doppler Precision\u003c\/h3\u003e\n\u003cp\u003eAt this aperture, remote control is essential. The LS230THa includes two PC-USB Pressure Tuner Controllers—one for each etalon—that allow for vibration-free tuning with an accuracy of 0.3 PSI. The system provides closed-loop feedback, automatically compensating for temperature changes to maintain a stable wavelength position.\u003c\/p\u003e\n\u003cp\u003eThis system transforms Doppler tuning from an art into a reproducible science. You can scan both etalons in tandem from the red to the blue wing of the H-alpha line, maintaining the ~0.30Å bandpass throughout. By recording the precise pressure values for specific line positions, you can return to them with 0.3 PSI repeatability, session after session, enabling systematic and calibrated studies of solar plasma velocities.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 1,610mm Focal Length Imaging System\u003c\/h3\u003e\n\u003cp\u003eThe LS230THa's 1,610mm focal length produces a solar image nearly 16mm in diameter, an ideal scale for capturing high-resolution detail with modern sensors. The mechanical backbone is a Starlight Instruments 2\" Feather Touch focuser with 10:1 fine focus reduction, providing the precision required to achieve critical focus at this image scale.\u003c\/p\u003e\n\u003cp\u003eFor the advanced imager, the dual PC-USB control system is the key to unlocking the telescope's full potential. It enables calibrated, repeatable Doppler imaging sequences that were previously the domain of professional observatories. This makes the LS230THa the most capable solar imaging platform available to the public for studying the dynamic, fast-moving events that define solar activity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the Lunt LS230THa unsuitable for night sky observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Lunt LS230THa is a dedicated solar telescope. Its entire optical system, from the IR-reflective coatings on the objective to the internal etalons and blocking filters, is designed to transmit light only at the 656.28nm hydrogen-alpha wavelength and reject all other light. This design makes it impossible to see stars, planets, or galaxies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the Lunt LS230THa's dual PC-USB pressure tuners over manual knobs?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAt the 230mm aperture and 1,610mm focal length of the LS230THa, even the slightest touch to the telescope introduces vibrations that degrade the image. The PC-USB controllers allow for \u003cstrong\u003eremote, vibration-free tuning\u003c\/strong\u003e. They also offer superior precision (0.3 PSI accuracy) and repeatability, enabling scientific-grade Doppler velocity studies by allowing you to return to exact bandpass positions across multiple observing sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Lunt LS230THa's ~0.30Å bandpass help when imaging a solar flare's Doppler shift?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA solar flare involves plasma moving at high velocity toward or away from you. The narrow ~0.30Å bandpass allows you to isolate these movements with extreme precision. Using the PC-USB tuners, you can scan off the central H-alpha line into the \"blue wing\" (for approaching plasma) or \"red wing\" (for receding plasma), capturing the full velocity structure of the event with maximum contrast and detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does 'seeing-limited' mean for an observer using the Lunt LS230THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS230THa is capable of resolving details so fine that on most days, the limiting factor will be atmospheric turbulence (\"seeing\"), not the telescope's optics. The instrument will regularly outperform what the sky allows. On days of exceptional seeing, it will resolve the finest structures visible from the ground, such as individual spicules at the solar limb and supergranulation cell boundaries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWith the Lunt LS230THa and B3400 blocking filter, can I image the entire solar disk on a full-frame sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Lunt LS230THa produces a solar disk image of approximately 16mm at its focal plane. The B3400 blocking filter has a 34mm clear aperture, which is more than large enough to pass the entire image without vignetting. A full-frame sensor (typically 36mm x 24mm) will easily capture the entire solar disk with plenty of room to spare.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does the Lunt LS230THa use two different etalon generations (0.6Å and 0.35Å)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eCombining etalons of different specifications is a complex optical challenge. For the limited run of the Lunt LS230THa, Lunt's engineers hand-matched a 0.6Å etalon with a new-generation 0.35Å unit to achieve the target combined bandpass of ~0.30Å. Each of the five systems required a unique matching process to find the optimal pair that would deliver consistent high-contrast performance across the entire 230mm aperture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eLS230THa\/PT\/B3400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e230mm (Unobstructed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1,610mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Lens\u003c\/td\u003e\n\u003ctd\u003eFLP51 Air-Spaced Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtalon System\u003c\/td\u003e\n\u003ctd\u003eInternal Dual Pressure-Tuned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e~0.30Å (Combined)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eDual PC-USB Pressure Tuner Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB3400 with 34mm Clear Aperture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eStarlight Instruments 2\" Feather Touch with 10:1 Reduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Size at Focal Plane\u003c\/td\u003e\n\u003ctd\u003e~16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12-15V DC or 120\/240V AC (for controllers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Battery Life\u003c\/td\u003e\n\u003ctd\u003e12+ Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduction\u003c\/td\u003e\n\u003ctd\u003eLimited Edition (5 Units Total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS230THa 230mm H-Alpha Telescope OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003ePC-USB Pressure Tuner Controller\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eObservatory-Grade Tube Rings\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Plate\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":44967533412637,"sku":"LSS-LS230THa\/B3400","price":55993.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Lunt-LS230THa-Solar-Telescope-1__35689.1598291187.1280.1280.jpg?v=1684343576"},{"product_id":"lunt-ls300tha-solar-telescope-pressure-tuned","title":"Lunt LS300THa Solar Telescope - Pressure Tuned","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e300 mm Aperture\u003c\/li\u003e\n\u003cli\u003ef\/7 Focal Ratio\u003c\/li\u003e\n\u003cli\u003eInternal, Unobstructed Etalon System\u003c\/li\u003e\n\u003cli\u003e\u0026lt;0.65 Angstrom Bandpass (Single Stack)\u003c\/li\u003e\n\u003cli\u003ePC-USB Controlled True Doppler Pressure Tuning\u003c\/li\u003e\n\u003cli\u003e3.5 inch Feathertouch Focuser\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eLunt LS300THa Solar Telescope - Pressure Tuned\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS300THa is a research-class instrument designed for uncompromising solar observation, built around a massive 300 mm aperture at an f\/7 focal ratio. Its internal, unobstructed etalon achieves a sub-angstrom bandpass of \u0026lt;0.65Å in its single-stack configuration, revealing intricate details in the Sun's chromosphere. For ultimate contrast, the double-stacked option narrows the bandpass to \u0026lt;0.45Å, while the entire system is controlled by a PC-USB True Doppler pressure tuning system and focused with a 3.5 inch Feathertouch focuser.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUnprecedented Solar Resolution: The 300mm f\/7 Optical System\u003c\/h3\u003e\n\u003cp\u003eThe defining feature of the LS300THa is its 300 mm objective, placing it in an elite class of solar telescopes. This immense aperture provides the resolving power necessary to observe the finest structures on the solar disk, from the intricate cellular pattern of granulation to the delicate, hair-like structure of spicules at the limb. The f\/7 focal ratio provides a large image scale, making it an ideal platform for high-resolution scientific imaging and detailed visual study.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSub-Angstrom Detail: \u0026lt;0.65Å Single \u0026amp; \u0026lt;0.45Å Double Stack Options\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS300THa is an internal, unobstructed etalon that delivers exceptional H-alpha views. The single-stack configuration provides a \u0026lt;0.65 Angstrom bandpass, which is ideal for showcasing bright, dramatic prominences erupting from the solar limb while retaining significant surface detail. For imagers and observers seeking the highest possible contrast on the solar disk, the optional double-stack system narrows the bandpass to a remarkable \u0026lt;0.45 Angstrom, enhancing the visibility of faint filaments and the complex, web-like chromospheric network.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePC-Controlled Precision: True Doppler Pressure Tuning\u003c\/h3\u003e\n\u003cp\u003eThe LS300THa employs Lunt's True Doppler pressure tuning system for precise, repeatable wavelength adjustment. Unlike mechanical systems, pressure tuning provides uniform transmission across the entire etalon by altering the refractive index of the air between its plates. This model features single or dual PC-USB computer control, allowing for remote and automated tuning routines essential for tracking Doppler-shifted phenomena like plasma ejections and inflows around active regions with scientific accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eResearch-Grade Mechanics: The 3.5-inch Feathertouch Focuser\u003c\/h3\u003e\n\u003cp\u003eTo match its optical capabilities, the LS300THa is equipped with a 3.5 inch Feathertouch focuser. This large-aperture, zero-image-shift focuser is engineered to handle the weight of heavy, research-grade cameras, filter wheels, and other instrumentation without flexure. Its fine-focus mechanism is critical for achieving perfect sharpness at the high magnifications and large image scales that the 300 mm optical system is capable of producing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the LS300THa's 300mm aperture for solar viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage of the \u003cstrong\u003e300 mm aperture\u003c\/strong\u003e is resolution. It allows you to resolve extremely fine solar features, such as the granulation cells covering the photosphere and the intricate, thread-like structures within solar prominences, that are simply too small to be seen in smaller-aperture solar telescopes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the view differ between the LS300THa single stack (\u0026lt;0.65Å) and double stack (\u0026lt;0.45Å) when observing a solar filament?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile a solar filament is visible in the \u003cstrong\u003e\u0026lt;0.65Å single-stack\u003c\/strong\u003e version, it appears as a dark line against the brighter chromosphere. In the \u003cstrong\u003e\u0026lt;0.45Å double-stack\u003c\/strong\u003e version, the contrast is significantly increased. The filament will appear much darker and more defined, and you will see more of its complex, multi-stranded structure against a darker background, making it \"pop\" off the solar disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"True Doppler Pressure Tuning\" allow you to do with the LS300THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis system allows you to precisely shift the center of the filter's bandpass. Since solar features can be moving towards or away from us, their light is Doppler-shifted. The \u003cstrong\u003ePC-USB controlled pressure tuning\u003c\/strong\u003e lets you fine-tune the filter to see these high-velocity events, like the legs of a solar flare or plasma moving along magnetic field lines, which would be invisible if the filter were fixed at the exact H-alpha line.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the 3.5 inch Feathertouch focuser necessary on the LS300THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA telescope of this size and focal length produces a very large image and is intended for use with large-format, often heavy, imaging equipment. The \u003cstrong\u003e3.5 inch Feathertouch focuser\u003c\/strong\u003e provides the mechanical stability to carry this load without sagging or shifting, and its fine-focus control is essential for achieving critical sharpness when imaging at high resolution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does an \"internal, unobstructed\" etalon mean for the LS300THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn internal etalon is placed inside the main telescope tube, fully protected from the elements. Because it's a full-aperture filter placed after the main objective, it is \u003cstrong\u003eunobstructed\u003c\/strong\u003e, meaning there is no central obstruction in the light path (unlike a front-mounted etalon on an SCT). This design maximizes contrast and optical throughput for the purest possible solar image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount is required for the Lunt LS300THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the exact weight is not specified, a 300 mm telescope is a very large and heavy instrument. The LS300THa requires a research-grade, high-capacity equatorial mount. You should consider mounts typically used for large observatory instruments, capable of handling well over 100 lbs of payload to ensure stability for high-resolution imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eLS300THa\/B3400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated H-alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e300 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtalon\u003c\/td\u003e\n\u003ctd\u003eInternal, unobstructed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass (Single Stack)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.65 Angstrom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass (Double Stack)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.45 Angstrom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eTrue Doppler pressure tuning, single or dual PC-USB computer controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e3.5 inch Feathertouch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Single Stack","offer_id":44967533478173,"sku":"LSS-LS300THa\/B3400","price":117599.0,"currency_code":"CAD","in_stock":true},{"title":"Double Stack","offer_id":44967533510941,"sku":"LSS-LS300THa\/B3400\/DSII","price":151193.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Lunt-LS300THa-Solar-Telescope-1__28151.1598290452.1280.1280.jpg?v=1684343579"},{"product_id":"sky-watcher-heliostar-76ha-solar-telescope","title":"Sky-Watcher Heliostar 76Ha Solar Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e76mm Achromatic Doublet Optics\u003c\/li\u003e\n\u003cli\u003e630mm Focal Length (f\/8.3)\u003c\/li\u003e\n\u003cli\u003eNatively \u0026lt; 0.55Å Bandpass\u003c\/li\u003e\n\u003cli\u003e12mm H-alpha Blocking Diagonal\u003c\/li\u003e\n\u003cli\u003e2\" Dual-Speed Crayford Focuser\u003c\/li\u003e\n\u003cli\u003eIncludes Eyepiece, Solar Finder, and Case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSky-Watcher Heliostar 76mm H-Alpha Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Sky-Watcher Heliostar 76mm H-Alpha Solar Telescope uses a 76mm achromatic doublet objective and a 630mm focal length (f\/8.3) to deliver high-resolution views of the sun's chromosphere. Its internal etalon system achieves a \u0026lt;0.55Å bandpass, revealing fine surface detail and dramatic prominences without requiring a second, external filter. The diffraction-limited (1\/4 wave) optical system includes a 12mm blocking filter integrated into the diagonal and a 20mm 70° eyepiece that yields 32x magnification right out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eNatively \u0026lt;0.55Å Bandpass for High-Contrast Detail\u003c\/h3\u003e\n\u003cp\u003eThe Heliostar 76mm is engineered to operate at a \u0026lt;0.55Å bandpass, an extremely narrow wavelength that isolates the hydrogen-alpha emission line. This precision allows you to see the dynamic, high-contrast details of the solar chromosphere—swirling filaments, bright plage around sunspots, and eruptive prominences on the solar limb—with clarity typically reserved for more complex and expensive double-stack systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e76mm Aperture for High-Resolution Solar Views\u003c\/h3\u003e\n\u003cp\u003eWith a 76mm primary aperture, this telescope resolves fine solar features down to a Dawes Limit of 1.52 arcseconds. The 630mm focal length produces a 6mm solar image size, which is perfectly framed by the included 20mm eyepiece for full-disk views. This optical combination gives you the power to study the fine structure of sunspot umbra and the delicate texture of solar granulation across the surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eImaging-Ready with a 2\" Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eDesigned for both visual observation and imaging, the Heliostar 76mm features a robust 2\" dual-speed Crayford focuser. This mechanism provides the fine focus control essential for capturing sharp images of fleeting solar phenomena. The complete optical tube weighs a manageable 8.4 pounds and attaches to any compatible mount using the included mounting rings and V-style dovetail bar.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Complete, Ready-to-Observe Solar Package\u003c\/h3\u003e\n\u003cp\u003eThis telescope is a dedicated, all-in-one system for H-alpha solar astronomy. It includes all the essential accessories for safe and immediate viewing.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeliostar Solar Finder:\u003c\/strong\u003e Safely and quickly align the telescope with the Sun without looking through the main optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12mm Blocking Diagonal:\u003c\/strong\u003e An integral part of the safety system, this diagonal contains the final filtering stage required for observation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Accessory Kit:\u003c\/strong\u003e A 20mm 70º eyepiece, a cell phone adapter for basic imaging, and a clip-on sunshade are included, all housed within a rugged carrying case for protection and portability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA significant trade-off for this specialized instrument is its dedicated function; it is designed exclusively for solar observing and cannot be used to view nighttime celestial objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the Sky-Watcher Heliostar 76 H-Alpha telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Heliostar 76mm is designed to reveal the Sun's dynamic chromosphere. You can observe dramatic solar prominences lifting off the limb, dark, snake-like filaments stretched across the surface, bright active regions (plage), and the granular texture of the solar surface, all in the specific hydrogen-alpha wavelength.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does a \u0026lt;0.55Å bandpass mean for the Heliostar 76?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBandpass refers to how narrow a slice of the light spectrum the telescope lets through. At \u003cstrong\u003e\u0026lt;0.55Å\u003c\/strong\u003e (angstroms), the Heliostar 76 provides a very narrow window centered on the H-alpha line. This is critical for generating high-contrast views of surface features like filaments and granulation, which can appear washed out in telescopes with wider bandpasses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Heliostar 76mm good for imaging solar flares?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it is well-suited for imaging. The \u003cstrong\u003e76mm aperture\u003c\/strong\u003e provides the necessary resolution to capture fine details in active regions where flares occur. The \u003cstrong\u003e2\" dual-speed Crayford focuser\u003c\/strong\u003e is essential for achieving the critical focus needed with a high-speed solar imaging camera. Its \u003cstrong\u003ef\/8.3\u003c\/strong\u003e focal ratio is also compatible with a wide range of modern CMOS cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to buy a double-stack filter for the Heliostar 76 telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The Heliostar 76mm is designed to deliver the high-contrast views of a double-stack system with its single, internal etalon. It achieves its \u0026lt;0.55Å bandpass natively, so you do not need to purchase an additional, often expensive, second etalon filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the Heliostar 76mm perform for showing sunspots at a public outreach event?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt would be an excellent choice. The included \u003cstrong\u003e20mm eyepiece provides 32x magnification\u003c\/strong\u003e, which perfectly frames the entire solar disk. The Heliostar solar finder ensures you can locate the sun quickly and safely. Furthermore, the included \u003cstrong\u003ecell phone adapter\u003c\/strong\u003e allows you to snap quick images of the sunspots and prominences to share with the audience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the 8.4-pound Heliostar 76 H-Alpha OTA?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe telescope's optical tube weighs \u003cstrong\u003e8.4 pounds\u003c\/strong\u003e and comes with a V-style dovetail. It requires a sturdy alt-azimuth or equatorial mount with a payload capacity of at least 12-15 pounds for stable visual use and imaging. The Sky-Watcher SolarQuest mount is specifically recommended as an ideal pairing for a portable, automated solar tracking setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e810098970624\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eOptical Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eAchromatic Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e76mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e630mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/8.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.55Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003e12mm in diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coating\u003c\/td\u003e\n\u003ctd\u003eH-alpha fully multicoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Quality\u003c\/td\u003e\n\u003ctd\u003eDiffraction limited (1\/4 wave)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolar Image Size\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eMechanical Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual-Speed Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length\u003c\/td\u003e\n\u003ctd\u003e24\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight\u003c\/td\u003e\n\u003ctd\u003e8.4 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eMounting Rings with V-style dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eObservational Info\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDawes Limit\u003c\/td\u003e\n\u003ctd\u003e1.52 arcseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRayleigh Limit\u003c\/td\u003e\n\u003ctd\u003e1.84 arcseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Magnitude\u003c\/td\u003e\n\u003ctd\u003e11.88\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification (Min\/Max)\u003c\/td\u003e\n\u003ctd\u003e7x \/ 150x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification (Included)\u003c\/td\u003e\n\u003ctd\u003e32x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eSolar (visual \u0026amp; imaging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHeliostar 76mm H-Alpha Solar Telescope OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eV-Style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e12mm H-Alpha Blocking Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e20mm 70° Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHeliostar Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eClip-On Sunshade\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCell Phone Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDigital Manual (PDF)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003eA digital version of the manual is available from the manufacturer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/sky-watcher-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"No mount","offer_id":49393026400541,"sku":"SW-S11315","price":4720.0,"currency_code":"CAD","in_stock":true},{"title":"SolarQuest Mount","offer_id":49393026433309,"sku":"SW-S11330","price":5410.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Heliostar-76mm-S11315-1.jpg?v=1746201751"},{"product_id":"sky-watcher-heliostar-100ha-solar-telescope","title":"Sky-Watcher Heliostar 100Ha Solar Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e100mm Primary Aperture\u003c\/li\u003e\n\u003cli\u003eNatively \u0026lt; 0.55Å Bandpass\u003c\/li\u003e\n\u003cli\u003e760mm Focal Length (f\/7.6)\u003c\/li\u003e\n\u003cli\u003e20mm H-alpha Blocking Filter\u003c\/li\u003e\n\u003cli\u003eDual-Speed 2\" Crayford Focuser\u003c\/li\u003e\n\u003cli\u003eIncludes 22mm Eyepiece and Case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSky-Watcher Heliostar 100 H-Alpha Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Sky-Watcher Heliostar 100 H-Alpha Solar Telescope delivers high-resolution views of the solar chromosphere through its 100mm achromatic doublet objective and 760mm focal length. Its internal Solis Etalon Technology achieves a native bandpass of less than 0.55Å, revealing fine surface detail without the need for a secondary filter. The system includes a 20mm blocking filter integrated into the diagonal and provides a 7.6mm solar image, offering a complete, high-contrast H-alpha solution right out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eNative \u0026lt; 0.55Å Bandpass Without Compromise\u003c\/h3\u003e\n\u003cp\u003eAt the core of the Heliostar 100Hα is Sky-Watcher's Solis Etalon Technology, which achieves a sub-angstrom \u0026lt; 0.55Å bandpass using a single etalon. This design provides the high-contrast surface detail typically associated with expensive double-stack systems, but without the significant brightness reduction—often up to 40%—that a second etalon introduces. As a result, you see bright, detailed prominences, filaments, and active regions with exceptional clarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e100mm Aperture for High-Resolution Viewing\u003c\/h3\u003e\n\u003cp\u003eThe 100mm aperture gathers 73% more light than a 76mm equivalent, enabling a theoretical Dawes Limit of 1.16 arcseconds. This resolving power is critical for discerning fine structures within the chromosphere, such as the texture of solar granulation, the intricate patterns of plages, and the delicate, thread-like structure of plasma filaments snaking across the solar disk. The f\/7.6 focal ratio provides a balance between image scale and brightness for both visual observation and imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePrecision Tuning with the 2\" Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eTo isolate the 656.3 nm H-alpha emission line, the Heliostar 100Hα employs the Trifid Tuner system, which applies direct pressure to the etalon for precise bandpass adjustment. This allows you to compensate for local atmospheric pressure and Doppler-shifted phenomena on the Sun. Focusing is controlled by a robust 2\" dual-speed Crayford focuser, enabling you to make fine adjustments for sharp, high-magnification views and critical imaging focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eISO-Certified Safety in a Complete Kit\u003c\/h3\u003e\n\u003cp\u003eThe Heliostar 100Hα is a dedicated solar instrument, lab-tested in the USA to meet ISO 12312-2 safety standards for direct solar observation. The 20mm blocking filter, integrated into the 1.25\" diagonal, is a non-removable, essential safety component. The telescope arrives as a complete kit with a 22mm 70° eyepiece for 35x magnification, mounting rings, a V-style dovetail, a solar finder, and a hard case for transport and storage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the Sky-Watcher Heliostar 100Hα that I can't with a white-light filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA white-light filter shows the Sun's photosphere, primarily revealing sunspots. The Heliostar 100Hα is an H-alpha telescope that isolates a specific wavelength to show the chromosphere, the active layer above the surface. This allows you to see dynamic phenomena like \u003cstrong\u003esolar prominences\u003c\/strong\u003e erupting from the limb, dark \u003cstrong\u003efilaments\u003c\/strong\u003e of plasma, bright \u003cstrong\u003eplages\u003c\/strong\u003e around sunspots, and the granular texture of the entire solar surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Heliostar 100Hα require an additional filter for \"double-stack\" views?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The Heliostar 100Hα is designed with Solis Etalon Technology to achieve a narrow bandpass of \u003cstrong\u003e\u0026lt; 0.55Å\u003c\/strong\u003e with a single internal etalon. This provides the high-contrast views of surface detail that are the primary goal of a double-stack system, but without the added cost and significant loss of image brightness associated with adding a second etalon.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the 13.2-pound Heliostar 100Hα OTA?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith an optical tube weight of \u003cstrong\u003e13.2 pounds\u003c\/strong\u003e, the Heliostar 100Hα works well on a variety of mounts. For visual use, an alt-azimuth mount with a payload capacity of 20 lbs or more is sufficient. For solar imaging, a stable German equatorial mount in the Sky-Watcher EQM-35 or HEQ5 class is recommended to ensure precise tracking and stability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Heliostar 100Hα perform on a large solar flare near a sunspot?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e100mm aperture\u003c\/strong\u003e and \u003cstrong\u003e\u0026lt; 0.55Å bandpass\u003c\/strong\u003e are ideal for observing energetic events like solar flares. The high resolution will allow you to see the flare's structure and its evolution over time. The Trifid Tuner is particularly useful here, as it allows you to slightly shift the bandpass to observe Doppler effects—the blue-shifted light from plasma moving towards you at high velocity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use a different diagonal or eyepieces with the Heliostar 100Hα?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou can use any standard 1.25\" eyepiece with this telescope. However, you \u003cstrong\u003emust\u003c\/strong\u003e use the included 1.25\" H-alpha diagonal. This diagonal contains the \u003cstrong\u003e20mm blocking filter\u003c\/strong\u003e, which is a critical safety component required for solar observation. Using any other diagonal will not protect your eyes and can result in permanent vision damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the included 22mm eyepiece enough for detailed viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe included \u003cstrong\u003e22mm eyepiece\u003c\/strong\u003e provides a 35x magnification, which is excellent for viewing the entire solar disk at once. To better resolve fine details like spicules on the limb or the structure within sunspots, you will want to add higher-power eyepieces. A 10mm or 12mm eyepiece would increase magnification to 76x or 63x, respectively, which is a great next step for this telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e810098970747\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eOptical Specifications\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eAchromatic Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Aperture\u003c\/td\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e760mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.55Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coating\u003c\/td\u003e\n\u003ctd\u003eH-alpha fully multicoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Quality\u003c\/td\u003e\n\u003ctd\u003eDiffraction limited (1\/4 wave)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter Size\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolar Image Size\u003c\/td\u003e\n\u003ctd\u003e7.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollimatable Cell\u003c\/td\u003e\n\u003ctd\u003eNo (Self Aligning Cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eMechanical Specifications\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual-Speed Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Length\u003c\/td\u003e\n\u003ctd\u003e30 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd\u003e13.2 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eMounting Rings with V-style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eObservational Info\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDawes Limit\u003c\/td\u003e\n\u003ctd\u003e1.16 arcseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRayleigh Limit\u003c\/td\u003e\n\u003ctd\u003e1.4 arcseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Magnitude\u003c\/td\u003e\n\u003ctd\u003e12.48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification (with included eyepiece)\u003c\/td\u003e\n\u003ctd\u003e35x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Magnification\u003c\/td\u003e\n\u003ctd\u003e14x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Magnification\u003c\/td\u003e\n\u003ctd\u003e197x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eSolar (Visual \u0026amp; Imaging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHeliostar 100Hα Optical Tube Assembly\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eV-Style Dovetail Plate\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e22mm 70° Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eH-alpha Blocking Diagonal (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHeliostar Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eClip-on Sun Shade\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" to 1.25\" Eyepiece Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher_SolarQuest_Mount_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.skywatcherusa.com\/pages\/firmware-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/sky-watcher-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Telescope only","offer_id":51132813050141,"sku":"SW-S11325","price":8330.0,"currency_code":"CAD","in_stock":true},{"title":"Telescope with Wave 100i Mount kit","offer_id":51132813082909,"sku":"SW-S11335","price":11110.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Heliostar-100m-Ha-Solar-Telescope-1.jpg?v=1775839287"},{"product_id":"lunt-ls40tha-h-alpha-solar-telescope-standard-kit","title":"Lunt LS40THa H-Alpha Solar Telescope - Standard Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e40mm Aperture Dedicated Hydrogen-Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003e≤0.65Å Bandpass Front-Mounted Tilt-Tuned Etalon\u003c\/li\u003e\n\u003cli\u003e6mm (B600) Blocking Filter for Visual and Imaging Use\u003c\/li\u003e\n\u003cli\u003eTele Vue Sol Searcher Solar Finder for Safe Aiming\u003c\/li\u003e\n\u003cli\u003eIncludes 12mm Eyepiece and Hard-Sided Carry Case\u003c\/li\u003e\n\u003cli\u003e400mm Focal Length (f\/10)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eManual\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eEnter the Chromosphere: The Lunt LS40THa Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS40THa H-Alpha Solar Telescope is a complete, dedicated instrument designed to reveal the dynamic, ever-changing chromosphere of our sun. By combining a 40mm objective with a high-contrast, tilt-tuned etalon, this telescope delivers a direct, unfiltered view of solar prominences, filaments, and surface granulation, all in the brilliant crimson light of hydrogen-alpha.\u003c\/p\u003e\n\u003cp\u003eThis is the ideal starting point for any observer curious about dedicated solar astronomy. Its grab-and-go portability makes it a perfect companion for quick daytime sessions, while its optical system is engineered to provide a level of detail that generic white-light filters simply cannot resolve. With the LS40THa, you are not just looking at the sun; you are watching the active, violent weather of a star in real time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Matched 40mm f\/10 Optical System\u003c\/h3\u003e\n\u003cp\u003eThe foundation of the LS40THa is its 40mm singlet objective lens, operating at a focal ratio of f\/10. This specific focal length is engineered to provide a full-disc image of the sun with ample room around the limb. The f\/10 design ensures the light cone presented to the front etalon is nearly parallel, a critical requirement for achieving a uniform, high-contrast image across the entire field of view.\u003c\/p\u003e\n\u003cp\u003eThis aperture provides a perfect balance between resolution and sensitivity to atmospheric seeing. On days of average or poor seeing, a 40mm aperture often delivers a steadier, more pleasing view than a larger instrument, which can be over-magnified for the conditions. This makes the LS40THa a reliable performer, delivering consistent, satisfying views even when the atmosphere is turbulent.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHigh-Contrast Tilt-Tuned Etalon with ≤0.65Å Bandpass\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS40THa is its front-mounted, tilt-tuned Fabry-Pérot etalon. This precision filter isolates a narrow slice of the solar spectrum at the 656.28nm Hydrogen-alpha line, with a full-width half-maximum (FWHM) bandpass of ≤0.65Å. This narrow bandpass is essential for rejecting the overwhelming glare of the photosphere, allowing the faint, low-contrast structures of the chromosphere to become visible.\u003c\/p\u003e\n\u003cp\u003eThe simple and robust tilt-tuning mechanism allows you to shift the filter's bandpass slightly off the central H-alpha line. This control is vital for observing features that are Doppler-shifted due to their velocity, such as solar flares or fast-moving plasma in active regions. A slight turn of the tuning wheel can make a faint filament snap into sharp relief against the solar surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe B600 Blocking Filter\u003c\/h3\u003e\n\u003cp\u003eThe etalon works in concert with the B600 blocking filter, housed within the 90-degree star diagonal. The \"B600\" designation refers to its 6mm internal aperture, which is sized to pass the full solar disc from the 400mm focal length optical tube. This filter serves as the final, critical stage of the safety system, eliminating all out-of-band wavelengths and providing the observer with a purely monochromatic image.\u003c\/p\u003e\n\u003cp\u003eThe 6mm aperture of the B600 provides a generous field of view around the solar disc and is well suited for both visual observation and solar imaging. Whether you want to frame the entire sun and its surrounding prominences in a single view or capture high-resolution images of active regions and filaments, the B600 delivers a bright, high-fidelity image perfectly matched to the telescope's focal length.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSimple and Precise Helical Focuser\u003c\/h3\u003e\n\u003cp\u003eFocusing on the sun requires small, deliberate adjustments, and the LS40THa's helical focuser is designed for this task. Unlike a rack-and-pinion focuser, a helical mechanism moves the eyepiece in and out with a simple rotation of the barrel. This design is compact, mechanically simple, and prevents any image shift during focusing.\u003c\/p\u003e\n\u003cp\u003eThe non-rotating action is a key benefit. It ensures that your eyepiece, or a camera if you are imaging, maintains its orientation as you fine-tune the focus. This makes it easier to keep your target framed and simplifies the process of achieving the sharpest possible view of delicate filamentary structures or the fine spicules at the solar limb.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSafe and Fast Targeting with the Tele Vue Sol Searcher\u003c\/h3\u003e\n\u003cp\u003eAiming a telescope directly at the sun is inherently dangerous without a proper finder. The LS40THa includes the Tele Vue Sol Searcher for safe, precise solar acquisition. This is not an optical finder you look through; instead, it projects a small shadow or dot onto a small, white target screen, allowing you to center the sun without ever looking toward it.\u003c\/p\u003e\n\u003cp\u003eTo use it, you simply move the telescope tube until the indicator is centered on the target. This process is completely safe, intuitive, and takes only a few seconds. It eliminates any guesswork and ensures you can acquire and center the sun in the eyepiece quickly and confidently, getting you observing faster.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMounting and Experiencing the View\u003c\/h3\u003e\n\u003cp\u003eThe included 4-inch Vixen-style dovetail bar makes the LS40THa compatible with a wide range of lightweight, portable astronomical mounts. It can be easily carried by a photo tripod with a fluid head or any entry-level equatorial or alt-azimuth mount, making it an excellent \"grab-and-go\" instrument.\u003c\/p\u003e\n\u003cp\u003eWith the included 12mm eyepiece, the telescope operates at 33x magnification. At this power, the entire solar disc is framed comfortably in the field of view. As your eye settles, you will first notice the sharp, well-defined limb. With a slight adjustment of the tilt-tuner, you will see immense prominences, appearing like ghostly red flames erupting from the edge. On the surface itself, dark, snaking filaments and bright, active regions (plage) become apparent, changing day by day.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eTrade-Offs and Upgrade Path\u003c\/h3\u003e\n\u003cp\u003eThe primary trade-off for the LS40THa's portability and price is its aperture. While 40mm provides excellent full-disc views, it has a lower resolution ceiling than larger instruments like the LS60MT or LS80MT for observing fine surface detail. Its tilt-tuned etalon is also more susceptible to off-band transmission at the edge of the field compared to Lunt's internal pressure-tuned systems, though this is rarely an issue for visual observation.\u003c\/p\u003e\n\u003cp\u003eHowever, the LS40THa offers a powerful upgrade path. By adding the LS40FHa front-mounted double-stack filter (sold separately), you can dramatically increase contrast on surface features, making the solar disc appear almost three-dimensional. This allows the telescope to grow with your interest in solar astronomy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Lunt LS40THa safe to use for solar observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. It is a dedicated solar telescope with a multi-stage filtering system, including a front etalon and a rear blocking filter. It is engineered from the ground up for safe solar observation. You should never use a standard nighttime telescope with a simple front filter to view the sun.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat will I actually see with the LS40THa telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou will see the sun's chromosphere in the red hydrogen-alpha wavelength. This includes solar prominences (eruptions on the edge), filaments (dark ribbons on the surface), active regions (bright areas called plage), and surface granulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the LS40THa compare to the Lunt LS50THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS50THa has a larger 50mm aperture, which provides slightly higher resolution on surface details under good seeing conditions. The LS40THa is smaller, lighter, and more affordable, making it a better choice for portability and as an entry point into solar astronomy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Lunt LS40THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS40THa is very lightweight and will perform well on a sturdy photo tripod with a fluid video head. For better tracking and slow-motion control, an astronomical mount like the Sky-Watcher AZ-GTe or a Celestron NexStar SLT is recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I take pictures of the sun with this telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, solar imaging is fully supported. You can use a dedicated astronomy camera or even a smartphone with an appropriate adapter. The B600 blocking filter's 6mm aperture is well suited for both visual use and imaging, delivering a bright, high-fidelity image across the full solar disc.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the \"double-stack\" filter upgrade?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAdding a second etalon (double-stacking) dramatically increases contrast on surface features like filaments and granulation, making them appear more detailed and pronounced. It has less effect on prominences at the limb.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated H-Alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtalon\u003c\/td\u003e\n\u003ctd\u003eInternal, Tilt-Tuned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.65 Ångström\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB600 (6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eHelical Focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4\" Vixen-Style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3 lbs (1.36 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eAluminum Hard Case with Custom Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS40THa H-Alpha Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB600 Blocking Filter in Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHelical Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTele Vue Sol Searcher Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e4\" Vixen-Style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e12mm Solar Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard-Sided Carry Case with Custom Foam\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/luntsolarsystems.com\/wp-content\/uploads\/2022\/01\/40mm-Universal-Manual.pdf\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51207735148829,"sku":"LSS-LS40THa-Standard-V1","price":1393.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LS40-nofinder.png?v=1779895608"},{"product_id":"lunt-ls40tha-h-alpha-solar-telescope-enhanced-kit","title":"Lunt LS40THa H-Alpha Solar Telescope - Enhanced Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e40mm Aperture Dedicated Hydrogen-Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003eInternal Etalon with Tilt-Tuning for \u0026lt;0.55Å Bandpass\u003c\/li\u003e\n\u003cli\u003eEnhanced Kit with Upgraded 1:1 Rack \u0026amp; Pinion Focuser\u003c\/li\u003e\n\u003cli\u003eIncludes B600 Blocking Filter for a Wider Imaging Field\u003c\/li\u003e\n\u003cli\u003eIntegrated SunLock Solar Finder and Vixen-Style Dovetail\u003c\/li\u003e\n\u003cli\u003eComplete package includes a 12mm eyepiece and hard case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eWatch the Sun Come Alive: The Lunt LS40THa Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS40THa H-Alpha Solar Telescope - Enhanced Kit is a complete, grab-and-go system designed to reveal the dynamic, violent nature of our nearest star. This package is built around a 40mm dedicated solar refractor that makes the sun's chromosphere visible, transforming a quiet yellow disk into a landscape of fiery prominences, active regions, and delicate filaments. The Enhanced Kit provides key upgrades over the standard package, making it the right choice for observers who want a more refined operational experience and a clear path toward solar imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e40mm Aperture: Your Portable Window to the Chromosphere\u003c\/h3\u003e\n\u003cp\u003eThe LS40THa is built around a 40mm singlet objective lens with a 400mm focal length. This f\/10 system is intentionally designed for portability and performance under typical daytime seeing conditions. Atmospheric turbulence often limits the useful resolution of larger solar telescopes, allowing this compact instrument to deliver sharp, high-contrast views on days when bigger scopes struggle.\u003c\/p\u003e\n\u003cp\u003eThis aperture is ideal for observing the full solar disk in one field of view. It provides the perfect image scale to watch prominences erupt from the limb and track the evolution of active regions as they crawl across the sun's face. Its light weight means it can be mounted on any simple photo tripod or a small equatorial mount for easy tracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eTilt-Tuned Etalon for High-Contrast Views\u003c\/h3\u003e\n\u003cp\u003eThe heart of the LS40THa is its internal, front-mounted solid etalon. This precision filter is factory-set to a bandpass of less than 0.55 Angstroms, isolating the specific wavelength of hydrogen-alpha light. This narrow bandpass extinguishes the brilliant, overwhelming light from the photosphere, allowing the much fainter details of the chromosphere to become visible.\u003c\/p\u003e\n\u003cp\u003eTo fine-tune the filter for maximum contrast on different features, the telescope uses a simple and robust tilt-tuning mechanism. A small thumbwheel on the side of the optical tube physically tilts the etalon. This allows you to shift the filter's bandpass slightly, which causes surface features like filaments and plage to \"pop\" into view or enhances the delicate structure of prominences against the blackness of space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe B600 Blocking Filter Advantage\u003c\/h3\u003e\n\u003cp\u003eThe Enhanced Kit includes the upgraded B600 blocking filter, a critical component housed within the 90-degree star diagonal. This secondary filter provides the final, essential stage of energy rejection for safe observing. The \"600\" designation refers to its 6mm aperture, which is a significant step up from the standard B500 filter.\u003c\/p\u003e\n\u003cp\u003eThis larger clear aperture provides a wider, unvignetted field of view at the eyepiece. For visual observers, this results in a more evenly illuminated view of the full solar disk. For imagers, it is a mandatory upgrade, ensuring your camera sensor is fully illuminated edge-to-edge, preventing dimming in the corners of your solar images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUpgraded 1:1 Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eAnother key feature of the Enhanced Kit is the 1:1 rack and pinion focuser. This is a direct upgrade from the helical focuser found in the standard package, offering a more stable and precise focusing experience. The motion is smoother, making it easier to find that perfect point of sharp focus, especially at higher magnifications.\u003c\/p\u003e\n\u003cp\u003eThe rack and pinion design is also better at handling the weight of cameras and larger eyepieces without slipping or shifting. This non-rotating mechanism ensures your camera remains oriented correctly as you focus, eliminating the need to re-frame your shot after each adjustment. It is a practical upgrade that significantly improves the telescope's usability, particularly for imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eObserving with the LS40THa: A Live View of Solar Fury\u003c\/h3\u003e\n\u003cp\u003eWith the included 12mm eyepiece, the LS40THa operates at 33x magnification, a perfect power for framing the entire sun. After using the SunLock finder to safely center the disk, you will see a deep, ruby-red ball. As your eye adapts, the view transforms. Along the limb, you might see a hedgerow prominence, a wall of plasma arcing tens of thousands of miles into space, its structure changing over minutes.\u003c\/p\u003e\n\u003cp\u003eBy adjusting the tilt-tuner, the bright active regions on the surface darken, revealing the intricate, web-like structure of filaments snaking across the disk. One trade-off of the simple tilt-tune system is that it can create a slight brightness gradient, but this is easily managed by keeping your target of interest in the \"on-band\" sweet spot. This instrument makes observing the sun an active, engaging experience, not a passive one.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLS40THa Kit Comparison: Finding Your Fit\u003c\/h3\u003e\n\u003cp\u003eLunt offers the LS40THa in several packages to match different observer goals. Understanding the trade-offs helps you make the right choice.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Kit:\u003c\/strong\u003e This entry-level package includes the same optics but uses a B500 blocking filter and a helical focuser. It's a capable choice for purely visual, casual solar observing where minimizing cost is the top priority.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Kit (This Model):\u003c\/strong\u003e By upgrading to the B600 blocking filter and the rack \u0026amp; pinion focuser, this kit offers a better visual experience and a solid foundation for basic solar imaging. It represents the sweet spot for performance and value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium PLUS Kit:\u003c\/strong\u003e This package includes the B600 filter, R\u0026amp;P focuser, and adds an external LS40FHa double-stack etalon. Double-stacking narrows the bandpass to \u0026lt;0.29Å, dramatically increasing surface contrast and making the chromosphere's texture appear almost three-dimensional. It is the ultimate choice for dedicated solar enthusiasts who demand the highest level of detail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the B600 blocking filter in the Enhanced Kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe B600 blocking filter has a larger 6mm aperture compared to the standard 5mm B500. This provides a wider, more evenly illuminated field of view, which is better for imaging and for observing the full solar disk with certain eyepieces without dimming at the edges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Lunt LS40THa good for solar imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the Enhanced Kit is a great starting point for solar imaging. The upgraded rack \u0026amp; pinion focuser provides smoother, more stable focusing, and the B600 blocking filter illuminates the camera sensor more effectively than the standard B500.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I see sunspots with this H-alpha telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile this telescope is designed to view the chromosphere (prominences, filaments), you can see the dark umbra of very large sunspots. However, for detailed views of sunspot structure in the photosphere, a white-light solar filter on a standard nighttime telescope is the proper tool.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the LS40THa compare to the LS50THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS50THa has a larger 50mm aperture, which provides slightly higher resolution and a brighter image. The LS40THa is smaller, lighter, and more affordable, making it an excellent portable or entry-level option that still delivers excellent views.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I upgrade this telescope to a double-stack system later?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. You can purchase the Lunt LS40FHa front-mounted etalon separately at any time. This filter threads onto the front of your LS40THa, easily converting it to a double-stack system for significantly higher-contrast views of surface detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the LS40THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS40THa is very lightweight (under 4 lbs) and includes a Vixen-style dovetail. It works well on a simple alt-azimuth mount like a Vixen Porta II, a Sky-Watcher AZ-GTe, or even a sturdy photographic tripod with a fluid video head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated H-alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.55 Ångström\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eTilt-Tuned Internal Etalon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB600 (6mm) in 90° Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e1.25\" Rack \u0026amp; Pinion Focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eIntegrated SunLock Vixen-style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.8 lbs (1.7 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS40THa Telescope Optical Tube\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB600 Blocking Filter in 1.25\" Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSunLock Vixen-Style Dovetail (4\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt 12mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/luntsolarsystems.com\/wp-content\/uploads\/2022\/07\/LS40THa_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/luntsolarsystems.com\/warranty-registration\/\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51221379711261,"sku":"LSS-LS40THa-Enhanced","price":1533.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS40THa-Enhanced-Kit.jpg?v=1777426716"},{"product_id":"lunt-ls40tha-h-alpha-solar-telescope-premium-plus-kit","title":"Lunt LS40THa H-Alpha Solar Telescope - Premium PLUS Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e40mm Dedicated H-Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003eInternal Double-Stack System with ≤0.35Å Bandpass\u003c\/li\u003e\n\u003cli\u003eB600 Blocking Filter for Full-Disk Views \u0026amp; Imaging\u003c\/li\u003e\n\u003cli\u003eIncludes Lunt 7.2mm - 21.5mm Zoom Eyepiece\u003c\/li\u003e\n\u003cli\u003e1:1 Rack \u0026amp; Pinion Focuser\u003c\/li\u003e\n\u003cli\u003eIntegrated SunLock Solar Finder\u003c\/li\u003e\n\u003cli\u003e4\" Vixen-Style Dovetail Rail\u003c\/li\u003e\n\u003cli\u003eIncludes Aluminum Hard Case with Custom Foam\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eThe Ultimate View of Solar Surface Detail in a 40mm Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS40THa H-Alpha Solar Telescope - Premium PLUS Kit is a complete, dedicated system designed to reveal the sun's dynamic chromosphere with the highest contrast possible in this aperture. By including a matched double-stack etalon filter, this kit narrows the bandpass to ≤0.35Å, transforming faint surface texture and active regions into a richly detailed, three-dimensional spectacle. It is the definitive choice for the observer who prioritizes surface contrast over all else in a portable, grab-and-go package.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMatched 40mm f\/10 Optics\u003c\/h3\u003e\n\u003cp\u003eThe foundation of the LS40THa is a 40mm f\/10 singlet objective lens, fully corrected for the 656.28nm hydrogen-alpha wavelength. This focal ratio provides a manageable 400mm focal length, creating a forgiving system for focus and tuning. The optical design ensures a high-contrast image is delivered to the etalon filtering system, a critical first step for high-resolution solar viewing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePrimary Tilt-Tuned Etalon Filter\u003c\/h3\u003e\n\u003cp\u003eThe heart of the telescope is its internal, front-mounted etalon. This precision filter uses a polished Fabry-Pérot cavity to isolate the light from hydrogen plasma, revealing the sun's chromosphere. The user tunes the filter to the precise H-alpha line by tilting the etalon with a simple thumbwheel, allowing you to shift the view slightly off-band to emphasize Doppler-shifted features like erupting prominences moving toward or away from you.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLS40FHa Double-Stack Etalon for Maximum Contrast\u003c\/h3\u003e\n\u003cp\u003eThis Premium PLUS kit includes the crucial LS40FHa front-mounted double-stack etalon. Adding this second filter dramatically narrows the system's bandpass from the standard ~0.55Å to a very tight ≤0.35Å. This reduction in out-of-band light significantly increases the contrast of surface features, causing solar flares, filaments, and active region plage to stand out against the solar disk with stark definition. While a single-stack system shows you these features exist, the double-stack renders them with photographic-like texture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB600 Blocking Filter for Full-Disk Views\u003c\/h3\u003e\n\u003cp\u003eThe B600 blocking filter, housed in the star diagonal, is the final stage of the safety system and is sized to provide an unvignetted view of the entire solar disk with the included zoom eyepiece. This larger 6mm filter provides more clearance than the smaller B500, making it a better choice for observers who may want to try basic imaging of the full sun with a small sensor camera. It ensures the entire solar limb is visible at once, so you never miss a prominence erupting at the edge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe Experience of High-Contrast Chromosphere Viewing\u003c\/h3\u003e\n\u003cp\u003eWith the double-stack engaged and the zoom eyepiece set to around 12mm, the experience is unlike any white-light view. After tuning the etalon, the solar surface resolves into a tapestry of texture. You can trace the dark, serpentine path of a filament as it snakes across an active region, then watch as its delicate structure appears to float just above the brighter background. This is the view that turns a static star into a living, dynamic object, and the ≤0.35Å bandpass is what makes it possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUpgraded Focuser and SunLock Finder\u003c\/h3\u003e\n\u003cp\u003eThe Premium PLUS kit features an upgraded 1:1 Rack \u0026amp; Pinion focuser, which offers a smoother feel and better stability for holding cameras compared to the standard helical focuser. Finding the sun is made safe and simple by the integrated SunLock finderscope, a small pinhole that projects an image of the solar disk onto a tiny internal screen. When the dot is centered, the sun is in your eyepiece, eliminating any guesswork or unsafe alignment attempts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLunt Zoom Eyepiece and Hard Case\u003c\/h3\u003e\n\u003cp\u003eCompleting the kit is the Lunt 7.2mm - 21.5mm zoom eyepiece, the ideal companion for a solar telescope. It allows you to frame the entire solar disk at 21.5mm (18.6x magnification), then zoom in to 7.2mm (55.5x) to scrutinize a specific sunspot group or prominence without ever taking your eye from the view. The entire system, including the double-stack filter, packs into a custom-cut foam-lined aluminum hard case for secure transport and storage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Note on Aperture and Seeing\u003c\/h3\u003e\n\u003cp\u003eWhile larger solar telescopes exist, the 40mm aperture is often an advantage under typical daytime seeing conditions. Atmospheric turbulence can easily degrade the view in larger scopes, but the LS40THa is less susceptible to these effects, frequently delivering a sharper, more stable image than a larger instrument on an average day. This makes it a highly effective and frustration-free grab-and-go solar telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the Premium PLUS (double-stack) kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Premium PLUS kit includes a second etalon filter that narrows the bandpass to ≤0.35Å. This dramatically increases the contrast of features on the sun's surface, like filaments and active regions, making them appear much more detailed and defined compared to the single-stack version.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this Lunt solar telescope safe to use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Lunt LS40THa is a dedicated solar telescope with multiple, permanently installed filters. As long as it is used as designed and is not modified, it is completely safe for direct solar observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my own eyepieces with the LS40THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, you can use any standard 1.25\" eyepiece. However, non-solar-specific eyepieces may have coatings that produce reflections or glare (ghosting) when viewing the extremely bright sun. The included Lunt zoom eyepiece is optimized for this application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 40mm Lunt compare to the 50mm Lunt telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Lunt LS50THa offers 25% more aperture, providing slightly higher resolution on fine surface details under good seeing conditions. The LS40THa is smaller, lighter, and often performs better under average or poor seeing, making it a more consistent and portable option.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does this telescope use tilt-tuning instead of pressure-tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTilt-tuning the front etalon is a simpler and more cost-effective mechanism for a telescope of this size, allowing Lunt to deliver high-quality etalon performance at an accessible price point. Lunt's larger telescopes use pressure-tuning for more uniform control over the filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I do astrophotography with the Lunt LS40THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, you can perform basic solar imaging with the LS40THa. It is suitable for capturing full-disk images or close-ups of large features using a small, lightweight planetary-style CMOS camera. Achieving focus may require a 1.25\" eyepiece extender.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003eSingle Stack: \u0026lt;0.55Å, Double Stack: ≤0.35Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eTilt-Tuned Etalon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB600 (6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e1:1 Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4\" Vixen-Style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.1 lbs (1.4 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS40THa 40mm H-alpha Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS40FHa Double-Stack Etalon Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB600 Blocking Filter in Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1:1 Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt 7.2mm - 21.5mm Zoom Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eIntegrated SunLock Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e4\" Vixen-Style Dovetail Rail\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAluminum Hard Case with Custom Foam\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/luntsolarsystems.com\/wp-content\/uploads\/2022\/10\/40mm_Instructions_2022.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/luntsolarsystems.com\/product-registration-and-warranty\/\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51221379744029,"sku":"LSS-LS40THa-Premium","price":2513.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS40THa-Premium-PLUS-Kit.jpg?v=1777426717"},{"product_id":"lunt-ls50tha-h-alpha-solar-telescope-standard-kit","title":"Lunt LS50THa H-Alpha Solar Telescope - Standard Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 50mm\u003c\/li\u003e\n\u003cli\u003eFocal Length: 350mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/7\u003c\/li\u003e\n\u003cli\u003eBandpass: \u0026lt;0.6Å\u003c\/li\u003e\n\u003cli\u003eTuning: Internal Pressure Tuner (Doppler True Tuning)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B400 (4mm)\u003c\/li\u003e\n\u003cli\u003eFocuser: Helical Focuser\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eObserve the Sun's Dynamic Atmosphere in Hydrogen-Alpha\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS50THa is a dedicated hydrogen-alpha solar telescope designed to reveal the intricate, ever-changing details of the sun's chromosphere. This complete system combines a 50mm objective with Lunt's proprietary pressure-tuned etalon, delivering high-contrast views of prominences, filaments, and surface granulation. It offers a significant step up in resolution and tuning precision from entry-level solar filters, making it the right choice for the serious visual observer who demands performance and portability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e50mm Objective: The Sweet Spot for Solar Viewing\u003c\/h3\u003e\n\u003cp\u003eThe 50mm precision-polished objective lens provides the ideal balance between light-gathering power and sensitivity to atmospheric seeing. Under typical daytime conditions, this aperture resolves fine details in sunspot umbra and delicate filamentary structures without being overly compromised by turbulence. The 350mm focal length (f\/7) creates a full-disc view of the sun with low-power eyepieces, while still having enough image scale for satisfying high-magnification views of active regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eInternal Etalon with Doppler True Pressure Tuning\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS50THa is its internal, unobstructed Fabry-Pérot etalon. By placing the etalon inside the telescope body, Lunt protects the critical component from damage and ensures thermal stability. The single etalon provides a narrow \u0026lt;0.6Å bandpass, which is the specification required to resolve high-contrast details against the bright solar disc.\u003c\/p\u003e\n\u003cp\u003eLunt’s Doppler True Tuning system uses air pressure to make fine adjustments to the etalon's bandpass. Unlike mechanical tilt-tuning which can introduce off-axis aberrations, pressure tuning provides a uniform, consistent view across the entire field. This allows you to shift the filter's transmission window to track features moving at high velocity, like eruptive prominences or plasma flows around active regions, without any degradation in image quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB400 Blocking Filter for Visual Safety and Contrast\u003c\/h3\u003e\n\u003cp\u003eThis Standard Kit includes the B400 blocking filter, housed in a 1.25\" star diagonal. The blocking filter is a non-negotiable safety component, removing all harmful radiation outside the H-alpha line before the light reaches your eye. The 4mm aperture of the B400 is optimized for visual observation, providing a fully illuminated field of view for full-disc observation without any vignetting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSimple and Effective Helical Focuser\u003c\/h3\u003e\n\u003cp\u003eFocusing is managed by a robust helical focuser. This simple, intuitive design is easy to use, especially when wearing gloves in colder weather. While it lacks the fine control of a dual-speed Crayford, the helical focuser provides a direct, backlash-free mechanism for achieving a sharp image, which is perfectly adequate for the visual magnifications this telescope is designed for. The trade-off for simplicity is that the eyepiece and any attached camera will rotate during focus adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSafe and Fast Solar Alignment with the SunLock Finder\u003c\/h3\u003e\n\u003cp\u003eThe integrated SunLock sun finder makes aiming the telescope safe and effortless. This small internal projection system casts a tiny image of the solar disc onto a white screen. To align the telescope, you simply adjust your mount until the projected image is centered on the screen. This system entirely eliminates the danger and difficulty of trying to find the sun through the main scope or a traditional finder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eObserving a Hedgerow Prominence with the LS50THa\u003c\/h3\u003e\n\u003cp\u003eCenter a large active region on the limb of the sun and insert a medium-power eyepiece, around 8mm to 12mm. As your eye adapts, you will see the bright, boiling texture of the chromosphere. Slowly turn the pressure tuning knob. The surface details will fade slightly as the bandpass shifts, and suddenly, fiery structures will leap into view off the limb.\u003c\/p\u003e\n\u003cp\u003eA classic hedgerow prominence, which looks like a soft glow in a lesser instrument, resolves into a forest of fine, feathery plasma tendrils. With the LS50THa's pressure tuner, you can follow these structures as they arch and twist, sometimes seeing brighter knots of material that indicate areas of intense magnetic activity. This direct, real-time view of the sun’s violent atmosphere is what makes a dedicated H-alpha telescope an essential instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eChoosing Your Lunt 50mm Solar Telescope\u003c\/h3\u003e\n\u003cp\u003eLunt offers several packages for the 50mm platform, each tailored to a specific use case. This Standard Kit is the ideal starting point for a dedicated visual observer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS50THa Standard Kit (This Model):\u003c\/strong\u003e Features the B400 blocking filter and a helical focuser. It is the most affordable and portable package, perfectly matched for visual observation and getting started in H-alpha.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS50THa Enhanced Kit:\u003c\/strong\u003e Upgrades to a B600 blocking filter and a 10:1 Rack \u0026amp; Pinion focuser. The larger blocking filter is better suited for imagers using cameras with larger sensors, and the focuser provides more precise control, which is critical for photography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS50THa Premium PLUS Kit:\u003c\/strong\u003e Includes the B600 blocking filter, R\u0026amp;P focuser, and an external LS50C double-stacking etalon. This configuration narrows the bandpass to \u0026lt;0.3Å, dramatically increasing surface contrast to make filaments and active regions appear almost three-dimensional. This is the ultimate package for the high-resolution observer or imager.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the Lunt LS50THa B400 and B600?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe B400 (4mm) and B600 (6mm) refer to the aperture of the blocking filter. The B400 is optimized for visual use, providing a fully illuminated field for full-disc views. The B600 provides a larger illuminated field, which is recommended for observers who plan to do solar imaging with cameras that have larger sensors to prevent vignetting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I upgrade the LS50THa to a double-stack system later?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. You can add the Lunt LS50C front-mounted etalon at any time. This screws onto the front of the telescope and, when used with the internal etalon, reduces the system bandpass to under 0.3Å. This significantly increases contrast on solar surface details like filaments and plage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the LS50THa good for taking pictures of the sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS50THa is capable of basic solar imaging with small, lightweight planetary-style cameras. However, the helical focuser can make achieving critical focus for imaging a challenge. For users primarily interested in imaging, the Enhanced Kit with the 10:1 Rack \u0026amp; Pinion focuser is a better choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Lunt LS50THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS50THa is very lightweight and compact. It will perform well on a solid photo tripod with a fluid video head, or a light astronomical alt-azimuth mount like a Vixen Porta Mount II or Sky-Watcher AZ-GTe. An equatorial mount is not necessary for visual observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the pressure tuner different from a tilt tuner?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eLunt's pressure tuner adjusts the etalon by changing air pressure, which keeps the filter perfectly parallel to the light path. This provides a very even, high-fidelity view across the entire field. Tilt-tuning, used on some other solar scopes, physically tilts the etalon, which can introduce some image degradation off-axis.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill I be able to see solar flares?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, solar flares are visible in H-alpha as intensely bright patches near active regions. The LS50THa has the resolution and contrast required to show them clearly. The pressure tuner helps you dim the surrounding plage to make the flare stand out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Aperture\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEFL\u003c\/td\u003e\n\u003ctd\u003e350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\/Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.6 Ångström @ 656nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eDoppler True Tuning (Pressure Tuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB400 in 1.25\" Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e1.25\" Helical Focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eClamshell with 1\/4-20 tapped holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eAluminum Finished Hard Case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.6 lbs (2.1 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS50THa 50mm H-Alpha Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB400 Blocking Filter in Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eIntegrated SunLock Sun Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTelescope Clamshell Ring\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e4\" Vixen-Style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e12mm Lunt Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAluminum Hard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS50THa-Solar-Telescope-Manual.pdf?v=1777432302\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230513529117,"sku":"LSS-LS50THa-Standard","price":1673.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS50THASolarTelescopeStandardKit.jpg?v=1777667488"},{"product_id":"lunt-ls50tha-h-alpha-solar-telescope-enhanced-kit","title":"Lunt LS50THa H-Alpha Solar Telescope - Enhanced Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 50mm\u003c\/li\u003e\n\u003cli\u003eBandpass: \u0026lt;0.6Å Single-Stack\u003c\/li\u003e\n\u003cli\u003eTuning: Doppler True Tuning (Pressure Tuner)\u003c\/li\u003e\n\u003cli\u003eFocuser: 1:1 Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B600 (6mm)\u003c\/li\u003e\n\u003cli\u003eFocal Length: 350mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/7\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eA High-Contrast Window on the Active Sun\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS50THa H-Alpha Solar Telescope - Enhanced Kit is a complete, dedicated instrument engineered for the observer who wants to move beyond basic solar views into high-contrast detail. By combining a 50mm aperture with an upgraded focuser and a larger blocking filter, this package delivers a significant performance step-up for resolving the dynamic, fine-scale structure of the Sun's chromosphere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 50mm Hydrogen-alpha Etalon\u003c\/h3\u003e\n\u003cp\u003eThe heart of the LS50THa is its precision front-mounted etalon, a solid-cavity filter with a bandpass specification of less than 0.6 Angstroms. This narrow window on the spectrum isolates the deep red light of hydrogen-alpha, revealing the Sun not as a bright disc, but as a turbulent body of plasma. The 50mm aperture provides a 25% increase in light-gathering power over 40mm scopes, resulting in brighter images and the ability to use higher magnifications on delicate prominence structures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDoppler True Tuning with the Lunt Pressure Tuner\u003c\/h3\u003e\n\u003cp\u003eLunt's Doppler True Tuning system uses air pressure to adjust the etalon's bandpass, a method with distinct advantages over mechanical tilt-tuning. Applying pressure changes the refractive index of the air between the etalon plates, shifting the filter's central wavelength without tilting the etalon itself. This maintains a more uniform bandpass across the entire field of view, preventing off-axis hot-spotting and delivering higher-contrast views from edge to edge.\u003c\/p\u003e\n\u003cp\u003eThis tuning control is what allows you to see the motion of solar plasma. As a filament or prominence erupts towards or away from you, its light is Doppler-shifted. By adjusting the pressure tuner, you can follow that motion into the \"wings\" of the H-alpha line, transforming a static view into a dynamic one and revealing the three-dimensional structure of active regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe Upgraded 1:1 Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eThe Enhanced Kit replaces the standard helical focuser with a more robust 1:1 Rack \u0026amp; Pinion unit. This is a critical upgrade for detailed observation. The R\u0026amp;P focuser provides smoother, more precise travel with zero image shift, allowing you to achieve and hold critical focus on faint, wispy prominence details that a less stable focuser can struggle with. This makes the observing experience more fluid and less frustrating, especially at higher powers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB600 Blocking Filter for a Wider Field\u003c\/h3\u003e\n\u003cp\u003eThis kit includes the 6mm B600 blocking filter, an important step up from the B400 found in the standard package. The larger aperture of the blocking filter provides a wider, fully illuminated field of view, reducing vignetting (dimming at the edges) when using lower-power, wide-field eyepieces. For observers who enjoy framing the entire solar disc with room to spare, or for those starting out with imaging, the B600 provides a more forgiving and complete picture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eObserving the Solar Limb\u003c\/h3\u003e\n\u003cp\u003eWith a medium-power eyepiece, the LS50THa presents the full solar disc against a truly black background. As your eye adapts, focus on the limb. A small, bright eruption that appears as a detached spike is a classic prominence. Using the pressure tuner, you can subtly adjust the view, watching as the finest thread-like details within the prominence sharpen and seem to float above the edge of the Sun. This ability to fine-tune the contrast is what separates a simple glance from a detailed study.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eReady for Double-Stacking for Ultimate Contrast\u003c\/h3\u003e\n\u003cp\u003eThe LS50THa is designed to be compatible with the optional LS50C front-mounted double-stack filter. Adding this second etalon is the single most effective upgrade for this telescope. It narrows the system's bandpass to less than 0.30 Angstroms, dramatically increasing contrast on the solar surface. This transforms faint filaments and plage from subtle shadings into bold, high-definition features, revealing the \"carpet\" of the chromosphere in a way a single-stack system cannot.\u003c\/p\u003e\n\u003cp\u003eThe trade-off for this increase in surface detail is a slightly dimmer image, which is why starting with a single-stack system is often recommended. However, the modular design means your investment is secure, with a clear and powerful upgrade path available when you are ready to see the highest possible level of solar detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch3\u003eLunt Solar Telescope Kit Comparison\u003c\/h3\u003e\n\u003cp\u003eLunt offers the LS50THa in several packages to match different observing goals and budgets. Understanding the trade-offs in focuser type and blocking filter size is key to selecting the right system for your needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Kit:\u003c\/strong\u003e The most accessible entry point. It includes the same 50mm etalon but uses a helical focuser and a smaller B400 (4mm) blocking filter. This is an excellent visual package, but the B400 can introduce vignetting with very low-power eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Kit (This Product):\u003c\/strong\u003e The observer's sweet spot. It upgrades two key components: the focuser is a smoother 1:1 Rack \u0026amp; Pinion, and the blocking filter is the larger B600 (6mm). These changes provide a better experience for detailed visual work and entry-level imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium PLUS Kit:\u003c\/strong\u003e The ultimate 50mm package. This kit includes the 1:1 R\u0026amp;P focuser, B600 filter, and bundles the LS50C front-mounted double-stack filter from the start. This delivers the highest-contrast surface views possible with the 50mm system, right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the real difference between the B600 and B400 blocking filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe B600 has a 6mm aperture versus the B400's 4mm. This provides a wider, fully illuminated field of view, which reduces the dimming you might see at the edge of the field with low-power eyepieces. The B600 is recommended for those who want to do any form of imaging or prefer expansive, full-disc views.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs double-stacking the LS50THa worth it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it is the most significant performance upgrade you can make. Adding the LS50C filter narrows the bandpass to \u0026lt;0.30Å, which dramatically increases contrast on the Sun's surface. Filaments, active regions, and plage become much more defined. The trade-off is a slightly dimmer image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does this kit have a Rack \u0026amp; Pinion focuser instead of a helical one?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Rack \u0026amp; Pinion (R\u0026amp;P) focuser in the Enhanced Kit provides smoother, more precise focus control than the helical focuser in the standard kit. It is less prone to image shift, which is critical when trying to achieve sharp focus on faint solar details at high magnification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my regular nighttime eyepieces with this solar telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, any standard 1.25\" astronomical eyepiece will work. Simpler designs with fewer glass elements, like Plössls, often perform very well for solar viewing by maximizing contrast and brightness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Lunt LS50THa good for a beginner in solar astronomy?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS50THa is an excellent choice for a serious beginner. It is a complete, dedicated system that is easy to set up and provides high-quality views that will keep you engaged for years. The Enhanced Kit is particularly good as the upgraded focuser and blocking filter address the first upgrades many new observers consider.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill I need any other filters to observe the sun safely?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The LS50THa is a complete, dedicated solar telescope. The internal etalon and the blocking filter in the diagonal work together to make viewing 100% safe. You must never use a front-mounted white-light filter with this telescope, nor should you ever remove the blocking filter diagonal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eDedicated H-alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.6 Angstrom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eInternal Pressure Tuner (Doppler True Tuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB600 (6mm) in 1.25\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e1:1 Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eVixen-style Dovetail Plate (4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.6 lbs (2.1 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eAluminum Hard Case with Custom Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt LS50THa H-Alpha Telescope\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS50THa-Telescope.jpg?v=1781295601\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS50THa 50mm H-alpha Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt B600 Blocking Filter Diagonal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-B600-Blocking-Filter.jpg?v=1781295601\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB600 Blocking Filter in 1.25\" Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt 1:1 Rack \u0026amp; Pinion Focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-RP-Focuser.jpg?v=1781295601\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1:1 Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt 8mm Eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-8mm-Eyepiece.jpg?v=1781295601\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8mm Lunt Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt 12mm Eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-12mm-Eyepiece.jpg?v=1781295601\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e12mm Lunt Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt 16mm Eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-16mm-Eyepiece.jpg?v=1781295601\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e16mm Lunt Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt SunLock Solar Finder\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-SunLock-Finder.jpg?v=1781295601\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSunLock Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt Telescope Hard Case\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-Telescope-Case.jpg?v=1781295601\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Case with Custom Foam\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS50THa-Solar-Telescope-Manual.pdf?v=1777432302\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230513627421,"sku":"LSS-LS50THa-Enhanced","price":1953.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS50THASolarTelescopeEnhancedKit.jpg?v=1777667525"},{"product_id":"lunt-ls50tha-h-alpha-solar-telescope-premium-plus-kit","title":"Lunt LS50THa H-Alpha Solar Telescope - Premium PLUS Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 50mm\u003c\/li\u003e\n\u003cli\u003eSystem Bandpass: \u0026lt;0.30Å (Double-Stacked)\u003c\/li\u003e\n\u003cli\u003eTuning: Internal Pressure Tuner (Doppler True Tuning)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B600 in 1.25\" Diagonal\u003c\/li\u003e\n\u003cli\u003eFocuser: 1:1 Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003cli\u003eFocal Length: 350mm\u003c\/li\u003e\n\u003cli\u003eIncluded Eyepiece: Lunt Zoom Eyepiece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003c!-- TAB-MARKER-1: DESCRIPTION --\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eFrom Prominences to Chromosphere: A Complete H-Alpha System\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS50THa H-Alpha Solar Telescope - Premium PLUS Kit is a complete, dedicated system designed to deliver high-contrast, high-resolution views of the Sun's dynamic chromosphere. This package combines a 50mm primary objective with two precision-tuned etalons, achieving a sub-0.30 Angstrom bandpass for the most detailed solar observation possible in this aperture class. It is the right choice for the observer who wants to move beyond limb phenomena and resolve the intricate, evolving texture of the solar disk itself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 50mm f\/7 Optical Foundation\u003c\/h3\u003e\n\u003cp\u003eThe heart of the LS50THa is its 50mm f\/7 singlet objective lens. This aperture provides a significant increase in resolving power over smaller 40mm scopes, rendering finer detail in solar prominences and the structure within sunspot umbrae. The 350mm focal length creates a manageable image scale that is well-matched to the included B600 blocking filter and zoom eyepiece, allowing you to frame the full solar disk or zoom in on active regions without needing Barlows.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eInternal Pressure-Tuned Etalon for Uniformity\u003c\/h3\u003e\n\u003cp\u003eInside the main optical tube lies the primary sub-aperture etalon, the core filtering engine of the telescope. Lunt's innovative pressure tuning system adjusts the air pressure within the etalon cavity, shifting the filter's bandpass with zero mechanical stress on the optics. This Doppler True Tuning method provides a more uniform view across the entire field compared to mechanical tilt-tuning, which can introduce bandpass variations and gradients from the center to the edge of the view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDouble-Stacking for a High-Fidelity Chromosphere\u003c\/h3\u003e\n\u003cp\u003eThe Premium PLUS kit's defining feature is the included LS50C front-mounted double-stack etalon. Adding this second filter dramatically narrows the system's final bandpass from ~0.6Å to less than 0.30Å. This is not a subtle change; the reduction in out-of-band light significantly increases contrast on the solar disk, causing faint filaments, active region plage, and the mottled \"orange peel\" texture of the chromosphere to snap into sharp relief. While a single-stack system excels at prominences, this double-stack configuration is optimized for revealing the complex, three-dimensional surface of the Sun.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe B600 Blocking Filter: A Matched System\u003c\/h3\u003e\n\u003cp\u003eThe blocking filter, housed in the star diagonal, is the final critical component in the safety chain. This kit includes the B600, with a 6mm aperture perfectly suited for visual observation and imaging with smaller-chip cameras. It provides a generous field around the solar disk at the native 350mm focal length, ensuring you never suffer from a vignetted or cut-off view of the Sun's limb and surrounding prominence activity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUpgraded Focuser and Versatile Zoom Eyepiece\u003c\/h3\u003e\n\u003cp\u003eThis kit moves beyond the helical focuser of the standard package to a more robust 1:1 Rack \u0026amp; Pinion focuser. This design is better equipped to handle the weight of cameras and multiple eyepieces without flexure, providing a more stable and repeatable focusing experience. Paired with the included Lunt Zoom eyepiece, you can move from a full-disk contextual view to high-magnification close-ups of an active region with a simple twist, maintaining focus and keeping your target centered.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSunLock Finder for Safe and Fast Alignment\u003c\/h3\u003e\n\u003cp\u003eFinding and centering the Sun without looking at it is the first challenge of any solar observation. The included SunLock is a purpose-built solar finder that projects a small image of the Sun onto a viewing screen. Simply center the dot on the screen, and the Sun will be in the eyepiece field of view, eliminating any guesswork and ensuring a safe, immediate start to your session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAn Observer's View: Filaments on the Grid\u003c\/h3\u003e\n\u003cp\u003eWith the double-stack engaged and the pressure tuner dialed in, point the LS50THa at a large, snaking filament. At low power with the zoom eyepiece, it appears as a dark, irregular line against the brighter chromosphere. As you increase magnification, what was a simple line resolves into a structure with depth and texture. You can trace its path across the solar grid, noting the finer, thread-like extensions and anchor points that betray the powerful magnetic forces holding it in place against the Sun's surface. This is the view a \u0026lt;0.30Å bandpass makes possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSystem Trade-offs and Considerations\u003c\/h3\u003e\n\u003cp\u003eThe principal trade-off for the enhanced surface detail of the double-stack system is a slight dimming of the image compared to the single-stack configuration. While prominences remain bright and clear, the double-stack view prioritizes disk contrast over limb brightness. The 50mm aperture provides excellent detail but may be more susceptible to poor atmospheric seeing than a smaller 40mm scope, which can sometimes provide a steadier, albeit less resolved, image under turbulent daytime skies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eChoosing Your Lunt 50mm Solar Telescope\u003c\/h3\u003e\n\u003cp\u003eLunt offers the LS50THa in several packages, each designed for a specific observer. The Premium PLUS Kit represents the pinnacle of the 50mm line, offering the highest-contrast views and most complete accessory package.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS50THa Standard Kit:\u003c\/strong\u003e This is the entry point, featuring a single etalon (\u0026lt;0.6Å), B400 blocking filter, and helical focuser. It is an excellent choice for focusing purely on solar prominences, offering the brightest possible view of structures on the Sun's limb.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS50THa Enhanced Kit:\u003c\/strong\u003e This package upgrades the blocking filter to the B600 for a wider field of view and moves to the 1:1 Rack \u0026amp; Pinion focuser. It remains a single-stack system, making it a great option for those who want a better focuser and a more complete view of the disk but do not yet require the highest surface contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS50THa Premium PLUS Kit:\u003c\/strong\u003e The subject of this page. By adding the LS50C double-stack filter, this kit achieves the narrowest bandpass (\u0026lt;0.30Å) for maximum chromospheric detail. It is the definitive choice for the serious visual observer or imager who prioritizes resolving filaments, plage, and granulation over all else.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-2: FAQ --\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the main difference between single-stack and double-stack solar telescopes?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA single-stack telescope (~0.6Å) provides bright, high-contrast views of prominences on the Sun's edge. A double-stack system (\u0026lt;0.30Å) narrows the filter bandpass, which dims the image slightly but dramatically increases contrast on the Sun's surface, making features like filaments and active regions much more detailed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the LS50THa Premium PLUS Kit good for imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it is well-suited for imaging with small-chip, high-frame-rate planetary-style cameras. The \u0026lt;0.30Å bandpass is ideal for capturing high-contrast surface detail, and the upgraded Rack \u0026amp; Pinion focuser can better support the weight of a camera setup than a helical focuser.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does Lunt use pressure tuning instead of tilt tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning adjusts the etalon's bandpass without tilting it, which ensures a more uniform image and prevents off-axis reflections or gradients in the view. It is a more advanced method that maintains the highest performance across the entire solar disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a special mount for the LS50THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the LS50THa is very lightweight and compact. It will perform well on any light-duty astronomical mount with a Vixen-style saddle, such as a Sky-Watcher AZ-GTi, an iOptron SkyGuider Pro with a ball head, or any small equatorial mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this telescope for night sky viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the LS50THa is a dedicated solar telescope. Its internal filters are designed specifically for viewing the Sun in the Hydrogen-alpha wavelength and will not pass enough light from stars or planets for nighttime observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the B600 and B1200 blocking filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe B600 (6mm) blocking filter included in this kit is ideal for visual use and imaging the full solar disk. A larger B1200 (12mm) filter would provide a wider illuminated field, which is primarily a benefit for imagers using cameras with larger sensors to create mosaics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-3: SPECIFICATIONS --\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Aperture\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.6 Angstrom (Single-Stack) \/ \u0026lt;0.30 Angstrom (Double-Stacked)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eInternal Pressure Tune (Doppler True Tuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB600 in 1.25\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e1:1 Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eVixen-Style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eAluminum Hard Case with Custom Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.4 lbs (2 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-4: IN THE BOX --\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS50THa 50mm H-Alpha Solar Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS50C Front-Mount Double-Stack Etalon Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB600 Blocking Filter in 1.25\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1:1 Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt Zoom Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSunLock Sol Searcher\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e4\" Vixen-Style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAluminum Hard Case with Custom Foam\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-5: MANUAL --\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS50THa-Solar-Telescope-Manual.pdf?v=1777432302\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS50THa Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS50FHa-Double-Stack-Manual.pdf?v=1777432302\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDouble-Stack Filter Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-6: WARRANTY --\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230513692957,"sku":"LSS-LS50THa-Premium","price":2933.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS50THASolarTelescopePremiumKit.jpg?v=1777667542"},{"product_id":"lunt-ls60mt-h-alpha-solar-telescope-standard-kit","title":"Lunt LS60MT H-Alpha Solar Telescope - Standard Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 60mm\u003c\/li\u003e\n\u003cli\u003eBandpass: ≤0.4Å (Single Stack)\u003c\/li\u003e\n\u003cli\u003eTuning: Internal Pressure-Tuning (Doppler True Tuning)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B1200 (12mm)\u003c\/li\u003e\n\u003cli\u003eFocuser: Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003cli\u003eFocal Length: 500mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/8.3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eA Modular Window to the Sun's Dynamic Atmosphere\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS60MT H-Alpha Solar Telescope - Enhanced Kit is a complete system for observing and imaging the Sun's turbulent chromosphere in high-contrast detail. This instrument combines a 60mm aperture with Lunt's advanced pressure-tuned etalon, delivering a sharp, portable, and versatile solar experience that can also transform into a high-quality nighttime telescope. It is the right choice for the dedicated observer who values optical performance and desires a system that adapts to both solar and stellar astronomy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 60mm Objective: Resolving Solar Detail\u003c\/h3\u003e\n\u003cp\u003eThe telescope is built around a precision 60mm objective lens. In solar observation, where daytime atmospheric seeing is often the limiting factor, this aperture provides a perfect balance between resolving power and performance under average conditions. It gathers enough light to produce bright, detailed views of solar prominences and surface granulation without being overly susceptible to atmospheric turbulence, resulting in a more consistently sharp and steady image than larger apertures might provide on a typical day.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePressure-Tuned Etalon for Uniform Contrast\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS60MT is an internal, pressure-tuned etalon. Unlike tilt-tuned systems that can introduce uneven illumination, Lunt's Doppler True Tuning system uses air pressure to precisely shift the etalon's bandpass. This method applies no mechanical stress to the etalon, ensuring a uniform, high-contrast view across the entire field of view, free from the bright spots or gradients that can compromise detail in lesser designs.\u003c\/p\u003e\n\u003cp\u003eThis system isolates the hydrogen-alpha line at 656.28nm with a bandpass of ≤0.4 Angstroms. This narrow specification is the key to revealing the fine, thread-like structure in solar flares, filaments, and the texture of the chromosphere. By simply twisting the pressure knob, you can shift the bandpass to track features moving towards or away from you, revealing the Doppler-shifted details of our Sun's dynamic activity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB1200 Blocking Filter for Brighter, Wider Fields\u003c\/h3\u003e\n\u003cp\u003eThis Enhanced Kit includes the upgraded B1200 blocking filter, a critical component housed within the star diagonal. The 12mm aperture of the B1200 provides a significantly larger illuminated field of view compared to smaller blocking filters. For the visual observer, this means the full solar disk is bright and evenly lit. For the imager, it eliminates vignetting on the larger sensors common in today's dedicated solar and planetary cameras, ensuring your images have clean, bright edges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eStable Focusing with the Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eAchieving and holding a sharp focus is critical for high-magnification solar work. The LS60MT is equipped with a robust rack and pinion focuser. This design provides a stable, rigid platform for your eyepiece or camera, easily handling the weight without the flex or image shift that can occur with less substantial focusers. It ensures that when you achieve that perfect point of focus on a delicate prominence, it stays put.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eModular Telescope (MT) Design: Two Scopes in One\u003c\/h3\u003e\n\u003cp\u003eThe \"MT\" designation signifies this telescope's greatest strength: versatility. The entire internal H-alpha module can be removed, and with the addition of an optional focuser, the LS60MT transforms into a high-quality 60mm ED doublet refractor for nighttime use. This modularity allows you to invest in one high-quality optical tube for observing both the intricate details of the Sun and the wonders of the night sky, from planetary details to wide-field star clusters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLunt Zoom Eyepiece: Seamless Magnification Control\u003c\/h3\u003e\n\u003cp\u003eThe Enhanced Kit includes Lunt's 7.2mm to 21.5mm zoom eyepiece, an ideal partner for solar observation. This single eyepiece allows you to move from a low-power, full-disk view of the Sun to high-power magnification for close-up views of active regions, sunspots, or prominences on the limb. This ability to instantly adjust magnification without swapping eyepieces is a significant workflow advantage, letting you follow changing solar features without interruption.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAn Experience at the Eyepiece\u003c\/h3\u003e\n\u003cp\u003eWith the zoom eyepiece set to its widest view, you can frame the entire solar disk and quickly identify areas of activity. As you zoom in on a cluster of sunspots near the limb, the high-contrast view from the pressure-tuned etalon resolves the dark umbra and the slightly lighter penumbra. Tuning the etalon brings faint filaments snaking across the surface into sharp relief. Moving to the solar limb, a hedgerow prominence that appeared as a small bump at low power resolves at high magnification into a delicate, shifting curtain of super-heated plasma, its fine structure clearly visible against the black of space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eChoosing Your Lunt 60mm Telescope\u003c\/h3\u003e\n\u003cp\u003eLunt offers several configurations of the LS60MT. Understanding the trade-offs helps you select the right instrument for your observing goals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS60MT Standard Kit:\u003c\/strong\u003e This package includes the same excellent optics but comes with a smaller B600 blocking filter and a single focal length eyepiece. It is an excellent choice for purely visual observers, but the Enhanced Kit's B1200 is a significant advantage for anyone planning to do solar imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS80MT Solar Telescope:\u003c\/strong\u003e The next step up in aperture, the LS80MT provides noticeably brighter images and higher potential resolution on the finest solar details. However, this comes at a higher price, increased weight requiring a more substantial mount, and greater sensitivity to atmospheric seeing. The LS60MT remains the superior choice for portability and consistent performance under a wider range of conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the B600 and B1200 blocking filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe B1200 blocking filter in this kit has a 12mm aperture, while the B600 has a 6mm aperture. For imaging, the B1200 is highly recommended as it fully illuminates larger camera sensors, preventing vignetting or dark corners in your images. For visual use, it provides a brighter, more evenly illuminated field of view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Lunt LS60MT for night sky viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The modular \"MT\" design allows you to remove the red H-alpha module and replace it with an optional nighttime focuser. This converts the telescope into a 60mm ED doublet refractor for observing the Moon, planets, and deep-sky objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs pressure tuning better than tilt tuning for a solar telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning provides a more uniform view across the entire field. Because it doesn't compress or mechanically stress the etalon, it avoids creating an uneven bandpass, which can happen with tilt-tuned systems. This results in higher and more consistent contrast from edge to edge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount is needed for the LS60MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS60MT is lightweight and compact, making it compatible with a wide range of mounts. A quality photographic tripod with a fluid head, a light alt-azimuth mount like a Vixen Porta Mount II, or a small equatorial mount like the Sky-Watcher EQM-35 Pro are all excellent choices.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I double stack the LS60MT for higher contrast views?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the LS60MT is designed to be double-stacked. Adding an optional front-mounted LS50FHa etalon will reduce the telescope's bandpass to \u0026lt;0.28Å. This modification significantly increases contrast on surface details like granulation and filaments, though it will result in a slightly dimmer image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eH-alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Type\u003c\/td\u003e\n\u003ctd\u003eAir-Spaced ED Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e500mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/8.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtalon\u003c\/td\u003e\n\u003ctd\u003eInternal, Pressure-Tuned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e≤0.4 Angstrom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eDoppler True Tuning (Pressure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1200 (12mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eRack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eVixen-style Dovetail (4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.5 lbs (2.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS60MT H-Alpha Solar Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1200 Blocking Filter in Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt Zoom Eyepiece (7.2mm - 21.5mm)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSunLock Red Dot Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e4\" Vixen-Style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCustom Hard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS60MT-Solar-Telescope-Manual.pdf?v=1777432308\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/luntsolarsystems.com\/product-category\/telescopes\/h-alpha-telescopes\/h-alpha-telescopes-ls60mt\/\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230513758493,"sku":"LSS-LS60MT-Standard","price":2513.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS60MTSolarTelescopeStandardKit.jpg?v=1777667758"},{"product_id":"lunt-ls60mt-h-alpha-solar-telescope-enhanced-kit","title":"Lunt LS60MT H-Alpha Solar Telescope - Enhanced Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 60mm\u003c\/li\u003e\n\u003cli\u003eBandpass: ≤0.4Å (Single Stack)\u003c\/li\u003e\n\u003cli\u003eTuning: Internal Pressure-Tuning (Doppler True Tuning)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B1200 (12mm)\u003c\/li\u003e\n\u003cli\u003eFocuser: Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003cli\u003eFocal Length: 500mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/8.3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eA Modular Window to the Sun's Dynamic Atmosphere\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS60MT H-Alpha Solar Telescope - Enhanced Kit is a complete system for observing and imaging the Sun's turbulent chromosphere in high-contrast detail. This instrument combines a 60mm aperture with Lunt's advanced pressure-tuned etalon, delivering a sharp, portable, and versatile solar experience that can also transform into a high-quality nighttime telescope. It is the right choice for the dedicated observer who values optical performance and desires a system that adapts to both solar and stellar astronomy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 60mm Objective: Resolving Solar Detail\u003c\/h3\u003e\n\u003cp\u003eThe telescope is built around a precision 60mm objective lens. In solar observation, where daytime atmospheric seeing is often the limiting factor, this aperture provides a perfect balance between resolving power and performance under average conditions. It gathers enough light to produce bright, detailed views of solar prominences and surface granulation without being overly susceptible to atmospheric turbulence, resulting in a more consistently sharp and steady image than larger apertures might provide on a typical day.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePressure-Tuned Etalon for Uniform Contrast\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS60MT is an internal, pressure-tuned etalon. Unlike tilt-tuned systems that can introduce uneven illumination, Lunt's Doppler True Tuning system uses air pressure to precisely shift the etalon's bandpass. This method applies no mechanical stress to the etalon, ensuring a uniform, high-contrast view across the entire field of view, free from the bright spots or gradients that can compromise detail in lesser designs.\u003c\/p\u003e\n\u003cp\u003eThis system isolates the hydrogen-alpha line at 656.28nm with a bandpass of ≤0.4 Angstroms. This narrow specification is the key to revealing the fine, thread-like structure in solar flares, filaments, and the texture of the chromosphere. By simply twisting the pressure knob, you can shift the bandpass to track features moving towards or away from you, revealing the Doppler-shifted details of our Sun's dynamic activity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB1200 Blocking Filter for Brighter, Wider Fields\u003c\/h3\u003e\n\u003cp\u003eThis Enhanced Kit includes the upgraded B1200 blocking filter, a critical component housed within the star diagonal. The 12mm aperture of the B1200 provides a significantly larger illuminated field of view compared to smaller blocking filters. For the visual observer, this means the full solar disk is bright and evenly lit. For the imager, it eliminates vignetting on the larger sensors common in today's dedicated solar and planetary cameras, ensuring your images have clean, bright edges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eStable Focusing with the Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eAchieving and holding a sharp focus is critical for high-magnification solar work. The LS60MT is equipped with a robust rack and pinion focuser. This design provides a stable, rigid platform for your eyepiece or camera, easily handling the weight without the flex or image shift that can occur with less substantial focusers. It ensures that when you achieve that perfect point of focus on a delicate prominence, it stays put.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eModular Telescope (MT) Design: Two Scopes in One\u003c\/h3\u003e\n\u003cp\u003eThe \"MT\" designation signifies this telescope's greatest strength: versatility. The entire internal H-alpha module can be removed, and with the addition of an optional focuser, the LS60MT transforms into a high-quality 60mm ED doublet refractor for nighttime use. This modularity allows you to invest in one high-quality optical tube for observing both the intricate details of the Sun and the wonders of the night sky, from planetary details to wide-field star clusters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLunt Zoom Eyepiece: Seamless Magnification Control\u003c\/h3\u003e\n\u003cp\u003eThe Enhanced Kit includes Lunt's 7.2mm to 21.5mm zoom eyepiece, an ideal partner for solar observation. This single eyepiece allows you to move from a low-power, full-disk view of the Sun to high-power magnification for close-up views of active regions, sunspots, or prominences on the limb. This ability to instantly adjust magnification without swapping eyepieces is a significant workflow advantage, letting you follow changing solar features without interruption.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAn Experience at the Eyepiece\u003c\/h3\u003e\n\u003cp\u003eWith the zoom eyepiece set to its widest view, you can frame the entire solar disk and quickly identify areas of activity. As you zoom in on a cluster of sunspots near the limb, the high-contrast view from the pressure-tuned etalon resolves the dark umbra and the slightly lighter penumbra. Tuning the etalon brings faint filaments snaking across the surface into sharp relief. Moving to the solar limb, a hedgerow prominence that appeared as a small bump at low power resolves at high magnification into a delicate, shifting curtain of super-heated plasma, its fine structure clearly visible against the black of space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eChoosing Your Lunt 60mm Telescope\u003c\/h3\u003e\n\u003cp\u003eLunt offers several configurations of the LS60MT. Understanding the trade-offs helps you select the right instrument for your observing goals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS60MT Standard Kit:\u003c\/strong\u003e This package includes the same excellent optics but comes with a smaller B600 blocking filter and a single focal length eyepiece. It is an excellent choice for purely visual observers, but the Enhanced Kit's B1200 is a significant advantage for anyone planning to do solar imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS80MT Solar Telescope:\u003c\/strong\u003e The next step up in aperture, the LS80MT provides noticeably brighter images and higher potential resolution on the finest solar details. However, this comes at a higher price, increased weight requiring a more substantial mount, and greater sensitivity to atmospheric seeing. The LS60MT remains the superior choice for portability and consistent performance under a wider range of conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the B600 and B1200 blocking filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe B1200 blocking filter in this kit has a 12mm aperture, while the B600 has a 6mm aperture. For imaging, the B1200 is highly recommended as it fully illuminates larger camera sensors, preventing vignetting or dark corners in your images. For visual use, it provides a brighter, more evenly illuminated field of view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Lunt LS60MT for night sky viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The modular \"MT\" design allows you to remove the red H-alpha module and replace it with an optional nighttime focuser. This converts the telescope into a 60mm ED doublet refractor for observing the Moon, planets, and deep-sky objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs pressure tuning better than tilt tuning for a solar telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning provides a more uniform view across the entire field. Because it doesn't compress or mechanically stress the etalon, it avoids creating an uneven bandpass, which can happen with tilt-tuned systems. This results in higher and more consistent contrast from edge to edge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount is needed for the LS60MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS60MT is lightweight and compact, making it compatible with a wide range of mounts. A quality photographic tripod with a fluid head, a light alt-azimuth mount like a Vixen Porta Mount II, or a small equatorial mount like the Sky-Watcher EQM-35 Pro are all excellent choices.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I double stack the LS60MT for higher contrast views?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the LS60MT is designed to be double-stacked. Adding an optional front-mounted LS50FHa etalon will reduce the telescope's bandpass to \u0026lt;0.28Å. This modification significantly increases contrast on surface details like granulation and filaments, though it will result in a slightly dimmer image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eH-alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Type\u003c\/td\u003e\n\u003ctd\u003eAir-Spaced ED Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e500mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/8.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtalon\u003c\/td\u003e\n\u003ctd\u003eInternal, Pressure-Tuned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e≤0.4 Angstrom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eDoppler True Tuning (Pressure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1200 (12mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eRack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eVixen-style Dovetail (4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.5 lbs (2.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS60MT H-Alpha Solar Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1200 Blocking Filter in Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt Zoom Eyepiece (7.2mm - 21.5mm)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSunLock Red Dot Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e4\" Vixen-Style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCustom Hard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS60MT-Solar-Telescope-Manual.pdf?v=1777432308\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/luntsolarsystems.com\/product-category\/telescopes\/h-alpha-telescopes\/h-alpha-telescopes-ls60mt\/\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230514053405,"sku":"LSS-LS60MT-Enhanced","price":2793.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS60MTSolarTelescopeEnhancedKit.jpg?v=1777667781"},{"product_id":"lunt-ls60mt-h-alpha-solar-telescope-premium-plus-kit","title":"Lunt LS60MT H-Alpha Solar Telescope - Premium PLUS Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 60mm\u003c\/li\u003e\n\u003cli\u003eFocal Length: 420mm (F\/7)\u003c\/li\u003e\n\u003cli\u003eBandpass (Double-Stack): \u0026lt;0.28Å\u003c\/li\u003e\n\u003cli\u003eTuning: Internal Pressure-Tuned Etalon (Doppler True Tuning)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B1200 in 2\" Diagonal\u003c\/li\u003e\n\u003cli\u003eFocuser: 2\" Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eObserve the Sun's Chromosphere in High-Contrast Detail\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS60MT H-Alpha Solar Telescope - Premium PLUS Kit is a complete, modular system designed for the highest-resolution views of the Sun's dynamic chromosphere. By combining a high-quality 60mm ED doublet refractor with two precision-matched etalons, this package delivers a sub-0.28Å bandpass, transforming the solar disk from a flat, bright circle into a three-dimensional landscape of filaments, prominences, and active regions. It is the definitive choice for the observer who wants to resolve the finest surface structures the Sun has to offer in a portable, versatile instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 60mm F\/7 ED Doublet Optical Tube\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS60MT is an F\/7 ED doublet objective lens. The 60mm aperture provides a significant increase in resolving power over smaller 40mm and 50mm solar telescopes, rendering finer detail in solar granulation and the wispy texture of prominences. The use of Extra-low Dispersion (ED) glass minimizes chromatic aberration, which is critical not only for its nighttime performance but for ensuring the highest possible contrast at the focused H-alpha wavelength.\u003c\/p\u003e\n\u003cp\u003eThis aperture is a carefully considered choice. It is large enough to resolve fine chromospheric detail yet small enough to remain largely immune to the effects of daytime atmospheric seeing. This results in more frequent opportunities for high-magnification observing compared to larger solar telescopes, which are often limited by local atmospheric turbulence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eInternal Pressure-Tuned Etalon for Uniformity\u003c\/h3\u003e\n\u003cp\u003eThe primary filtering is performed by an internal, unobstructed etalon. Unlike front-mounted filters, this internal placement protects the most critical optical component from the elements. Lunt's Doppler True Tuning system uses air pressure to adjust the etalon's bandpass, a method that avoids the mechanical stress and potential tilting inaccuracies of other tuning systems. This ensures a uniform, on-band image across the entire field of view, free from hot spots or gradients.\u003c\/p\u003e\n\u003cp\u003eThe observer's benefit is direct and immediate. As you adjust the pressure, you can shift the filter's bandpass slightly off the central H-alpha line. This allows you to track the Doppler-shifted motion of plasma in solar flares and active regions, adding a dynamic, real-time dimension to your observation that a static filter cannot provide.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDouble-Stack Etalon for Maximum Surface Contrast\u003c\/h3\u003e\n\u003cp\u003eThis Premium PLUS kit includes the matching LS50FHa front-mounted etalon, which works in series with the internal filter. This \"double-stacking\" dramatically narrows the final bandpass from a standard ≤0.45Å down to a very narrow \u0026lt;0.28Å. This reduction is the key to unlocking the highest-contrast views of the solar chromosphere.\u003c\/p\u003e\n\u003cp\u003eThe visual effect is a significant darkening of the solar disk, which causes surface features like plage and filaments to stand out with pronounced definition. While a single-stacked view is excellent for prominences at the solar limb, the double-stacked view reveals the intricate, web-like structure of the chromosphere itself. For the dedicated solar observer, this enhanced contrast is not a luxury, it is the primary goal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe B1200 Blocking Filter Advantage\u003c\/h3\u003e\n\u003cp\u003eThe blocking filter is the final, essential stage in any dedicated solar telescope. This kit includes the upgraded B1200, which offers a 12mm aperture. This larger filter provides a wider, fully illuminated field of view compared to the standard B600, making it a better match for imaging with cameras that use larger sensors.\u003c\/p\u003e\n\u003cp\u003eEven for visual observers, the B1200 provides more generous eye placement and a more comfortable view when using wide-field, low-power eyepieces. It ensures that the edges of the field are not dimmed or vignetted, preserving the quality of the view from the center to the edge of the field stop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eRobust 2\" Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eThe LS60MT is equipped with a 2-inch rack and pinion focuser. This design is more robust than a helical focuser, providing the rigidity needed to support heavier eyepieces, Barlow lenses, or imaging cameras without slipping or flexing. The coarse and fine focus knobs allow for quick initial focusing followed by the precise adjustments needed to resolve delicate solar features.\u003c\/p\u003e\n\u003cp\u003eThis choice of focuser is a practical one. It simplifies the process of switching between visual observation and imaging, and its non-rotating design means your camera orientation stays fixed as you focus, eliminating the need to re-frame your target after each adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eModular Design for Day and Night Versatility\u003c\/h3\u003e\n\u003cp\u003eThe \"MT\" designation stands for Modular Telescope, a key feature of this system. The H-alpha module containing the etalon can be easily removed, and with an optional set of conversion accessories, the 60mm ED refractor can be used as a conventional telescope for nighttime astronomy or daytime terrestrial viewing. This dual-purpose capability represents a significant value.\u003c\/p\u003e\n\u003cp\u003eThis is the system for an observer who wants one high-quality, portable refractor to do it all. You can spend the day observing the Sun in high-resolution H-alpha, and then, in minutes, convert the scope to view the Moon, planets, or star clusters at night. It is a true grab-and-go instrument for any time of day.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe Double-Stacked Solar Experience\u003c\/h3\u003e\n\u003cp\u003eWith the zoom eyepiece included in this kit, center a large, arching prominence on the limb of the Sun at low power. Now increase the magnification. With the double-stack engaged, the prominence resolves into fine, feathery strands of plasma against a truly black sky. Now move your view onto the solar disk itself and focus on a long, dark filament snaking across the surface. The \u0026lt;0.28Å bandpass makes the filament appear almost three-dimensional, a dark river of cooler hydrogen suspended over the brighter, churning chromosphere below. This is the view that dedicated solar telescopes are built to deliver, and it is a sight that never gets old.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the main difference between the LS60MT and LS50THa?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS60MT has a larger 60mm aperture for higher resolution and is a modular system that can be converted for nighttime use. The LS50THa is a dedicated 50mm solar telescope. The LS60MT also uses an internal pressure-tuned etalon, while the LS50THa uses a front tilt-tuned etalon.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I really need a double-stack filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor the highest-contrast views of solar surface detail, yes. A single-stack system is excellent for prominences on the Sun's edge, but a double-stack dramatically enhances the visibility of filaments, plage, and granulation on the disk itself by narrowing the bandpass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose the B1200 blocking filter over the B600?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe B1200 provides a larger, fully illuminated field of view. This is important for imagers using cameras with larger sensors to avoid vignetting, and it provides a more comfortable visual experience with low-power, wide-field eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Lunt LS60MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA lightweight, stable alt-azimuth mount like the Sky-Watcher AZ-GTe or a small equatorial mount is sufficient. The telescope is relatively light, but a solid platform is crucial for the fine focusing and tracking needed for solar observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my regular nighttime eyepieces with this telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, standard 1.25\" and 2\" astronomy eyepieces work perfectly with the LS60MT for both solar and nighttime viewing. The included zoom eyepiece is a versatile starting point, but high-quality planetary or wide-field eyepieces can enhance the view further.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs pressure tuning better than tilt tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning provides a more uniform view across the entire field because it doesn't tilt the etalon. This avoids creating an off-band gradient from one side of the image to the other. It is generally considered a more advanced and consistent tuning method.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eModular H-alpha Solar \u0026amp; Nighttime Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective\u003c\/td\u003e\n\u003ctd\u003eED Doublet, Air-Spaced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e420mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003eF\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Etalon\u003c\/td\u003e\n\u003ctd\u003eInternal Pressure-Tuned, ≤0.45Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Etalon\u003c\/td\u003e\n\u003ctd\u003eLS50FHa Front-Mounted, Tilt-Tuned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Bandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.28Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1200 in 2\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003e15.25\" (387mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e6.6 lbs (3 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS60MT 60mm Modular Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS50FHa Double-Stack Etalon Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1200 Blocking Filter in 2\" Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSunLock Red Dot Sun Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt Zoom Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e4\" Dovetail Rail (Vixen-style)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCustom Hard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS60MT-Solar-Telescope-Manual.pdf?v=1777432308\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230514250013,"sku":"LSS-LS60MT-Premium","price":4193.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS60MTSolarTelescopePremiumKit.jpg?v=1777667806"},{"product_id":"lunt-ls80mt-h-alpha-solar-telescope-standard-kit","title":"Lunt LS80MT H-Alpha Solar Telescope - Standard Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 80mm ED Doublet\u003c\/li\u003e\n\u003cli\u003eFocal Length: 560mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: F\/7\u003c\/li\u003e\n\u003cli\u003eBandpass: ≤0.4 Ångström (Single-Stack)\u003c\/li\u003e\n\u003cli\u003eTuning: Internal Pressure Tuner (Doppler True Tuning)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: 12mm (B1200)\u003c\/li\u003e\n\u003cli\u003eFocuser: Dual-Speed Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003cli\u003eUse: Day and Night Modular Design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eThe Sun in High Definition: The Lunt LS80MT H-Alpha Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS80MT H-Alpha Solar Telescope is a multi-purpose refractor designed to deliver high-resolution views of the Sun's chromosphere and serve as a high-quality astronomical telescope for nighttime viewing. Its 80mm aperture and advanced pressure-tuned etalon system provide the resolving power and contrast necessary to observe the intricate, ever-changing details of solar prominences, filaments, and surface granulation. This standard kit provides the essential components for detailed solar observation and imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAperture and Resolution: The 80mm ED Objective\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS80MT is an 80mm F\/7 ED doublet objective lens. The use of FPL51 extra-low dispersion glass minimizes chromatic aberration, resulting in a sharp, high-contrast image. This level of optical correction is critical not only for resolving fine structures in the Sun's chromosphere but also for providing color-pure views of planets and deep-sky objects when the telescope is converted for nighttime use.\u003c\/p\u003e\n\u003cp\u003eThe 80mm aperture represents a significant step up in resolving power from smaller 60mm instruments. This increase allows you to resolve finer details within solar filaments and see more complex structures in large prominence groups. Under steady seeing conditions, the image remains bright and detailed, even when pushing magnification to observe the texture of active regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDoppler True Tuning: The Pressure-Tuned Etalon\u003c\/h3\u003e\n\u003cp\u003eLunt's internal, solid-etalon filter is the core of its solar performance, delivering a narrow bandpass of ≤0.4 Ångströms. Unlike tilt-tuned systems that can introduce uniformity issues, Lunt’s Doppler True Tuning (DTT) system uses air pressure to change the refractive index in the etalon cavity. This method tunes the filter's bandpass evenly across the entire field of view, ensuring maximum contrast and detail from edge to edge.\u003c\/p\u003e\n\u003cp\u003eThis precise tuning allows you to shift the bandpass slightly off the central H-alpha line. For an observer, this means you can track the velocity of plasma moving towards or away from you, enhancing the visibility of doppler-shifted events like solar flares. The pressure system maintains its tuning without mechanical stress, providing consistent, drift-free performance through long observing sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe B1200 Blocking Filter for Visual and Imaging\u003c\/h3\u003e\n\u003cp\u003eThis Standard Kit includes the B1200 blocking filter, housed within a 1.25\" star diagonal. The 12mm diameter of this filter provides a generous, fully illuminated field of view for visual observation with most eyepieces. It ensures that the entire solar disk appears bright and evenly lit, without any dimming at the edges.\u003c\/p\u003e\n\u003cp\u003eFor imagers using smaller-chip solar cameras, the B1200 provides an optimal balance, illuminating the sensor fully while keeping the optical path efficient. While larger blocking filters are available for full-frame sensors, the B1200 is a versatile choice for those who prioritize visual astronomy or are starting with planetary-style cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eStable and Precise Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eThe LS80MT is equipped with a robust dual-speed rack and pinion focuser. This design is more rigid than a Crayford-style focuser, making it better suited to handling the weight of cameras and binoviewers without slipping or tilting. The coarse focus knob gets you into the general vicinity quickly, while the 10:1 fine-focus knob allows for the critical, minute adjustments needed to snap solar surface detail into perfect sharpness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eModular Design for Day and Night Astronomy\u003c\/h3\u003e\n\u003cp\u003eA key feature of the MT (Modular Telescope) series is its ability to convert from a dedicated H-alpha solar telescope to a conventional nighttime refractor. By unscrewing the H-alpha module and installing the optional nighttime conversion kit (sold separately), the LS80MT becomes a high-performance 80mm ED apo refractor. This versatility makes it an excellent choice for observers who want one high-quality instrument for all their astronomical pursuits, from solar observing to planetary imaging and wide-field astrophotography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eObserving with the LS80MT\u003c\/h3\u003e\n\u003cp\u003eWith a medium-power eyepiece, the full solar disk is framed with a deep black background. After tuning the etalon, the chromosphere resolves from a flat, orange ball into a textured surface with bright plage and dark, snaking filaments. Prominences erupting from the limb are not just simple spikes of light; the 80mm aperture and narrow bandpass reveal delicate loops, feathery structures, and detached clouds of hydrogen plasma.\u003c\/p\u003e\n\u003cp\u003eThe true advantage of the pressure tuner becomes apparent as you slightly de-tune the etalon. A filament that was a dark, static line can suddenly show internal motion and brightness changes, revealing the dynamic, three-dimensional nature of the Sun. This is an instrument that rewards patient observation, allowing you to witness solar weather in real-time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSystem Context and Trade-Offs\u003c\/h3\u003e\n\u003cp\u003eThe LS80MT Standard Kit is an ideal balance of aperture, performance, and portability. While it offers significantly more resolution than a 60mm scope, it is lighter and requires a less substantial mount than the larger LS100MT. The primary trade-off in the Standard Kit is the B1200 blocking filter; while excellent for visual use, imagers with larger sensors might eventually consider upgrading to the B1800 for a wider, fully illuminated imaging circle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLunt LS80MT vs. Other Lunt Telescopes\u003c\/h3\u003e\n\u003cp\u003eChoosing the right solar telescope involves balancing aperture, features, and budget. Here is how the LS80MT Standard Kit fits into the Lunt family:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. LS60MT:\u003c\/strong\u003e The LS80MT provides almost 80% more light-gathering area than the LS60MT. This translates directly to a brighter image and the ability to resolve finer details at higher magnifications. If your primary goal is high-resolution views of surface detail and complex prominences, the 80mm aperture is a significant advantage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. LS100MT:\u003c\/strong\u003e The LS100MT is a step up in resolving power, capable of revealing even finer granulation and filamentary detail under excellent seeing conditions. However, the LS80MT is considerably more portable, cools down faster, and can be supported by lighter, more affordable mounts, making it a more practical choice for many observers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. LS80MT Enhanced\/Premium Kits:\u003c\/strong\u003e The primary difference is the blocking filter and included accessories. The Enhanced Kit upgrades to a B1800 blocking filter for a larger imaging field, while the Premium PLUS kit adds an internal double-stack module for the highest possible contrast on surface detail. The Standard Kit is the perfect entry point, with a clear upgrade path for the future.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Lunt LS80MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS80MT weighs approximately 11.6 lbs. A stable alt-azimuth mount like the Sky-Watcher AZ-EQ5 or a small equatorial mount in the Celestron AVX or iOptron GEM28 class is recommended for a solid, vibration-free experience, especially for imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the LS80MT good for imaging the Sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the LS80MT is an excellent imaging platform. The included B1200 blocking filter is well-suited for high-speed planetary-style cameras. For users with larger sensors who want to capture the full solar disk in one frame, upgrading to a larger blocking filter like the B1800 is recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of pressure tuning over tilt tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning adjusts the etalon's bandpass uniformly across the entire field of view, preventing off-axis hot spots and delivering higher contrast from edge to edge. It also avoids applying mechanical stress to the etalon, ensuring long-term stability and performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I upgrade this telescope to a double-stack system later?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The LS80MT is designed to accept an internal double-stack module (SFPT) which can be purchased later. This upgrade narrows the bandpass to \u0026lt;0.28Å, significantly increasing contrast on the Sun's surface for more detailed views of filaments and active regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need anything else to start observing the Sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Standard Kit includes the telescope, blocking filter diagonal, a 19mm eyepiece, and a finder. You will need to provide a suitable astronomical mount to place the telescope on. Everything required for safe solar viewing is included in the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I convert the LS80MT for nighttime use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo use the LS80MT at night, you must purchase the optional nighttime conversion kit. This involves unscrewing the red H-alpha module and replacing it with the focuser assembly. The process is straightforward and does not require special tools.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Type\u003c\/td\u003e\n\u003ctd\u003eModular H-Alpha Solar \u0026amp; Nighttime Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective\u003c\/td\u003e\n\u003ctd\u003eAir-spaced ED Doublet, FPL51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e560mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003eF\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtalon\u003c\/td\u003e\n\u003ctd\u003eInternal Solid Etalon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e≤0.4 Ångström\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eInternal Pressure Tuner (Doppler True Tuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1200 in 1.25\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eDual-Speed Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eTube Rings with 8\" Vixen-style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e11.6 lbs (5.26 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eAluminum Hard Case with Custom Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS80MT 80mm H-alpha Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1200 Blocking Filter in 1.25\" Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDual-Speed Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e19mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Dot Sun Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTube Rings\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 Pair\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8\" Vixen-style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS80MT-Solar-Telescope-Manual.pdf?v=1777432307\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230514544925,"sku":"LSS-LS80MT-Standard","price":4613.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS80MTSolarTelescopeStandardKit.jpg?v=1777668010"},{"product_id":"lunt-ls80mt-h-alpha-solar-telescope-enhanced-kit","title":"Lunt LS80MT H-Alpha Solar Telescope - Enhanced Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 80mm ED Doublet\u003c\/li\u003e\n\u003cli\u003eFocal Length: 560mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/7\u003c\/li\u003e\n\u003cli\u003eBandpass: \u0026lt;0.4 Å (Single-Stack)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B1800 in 2\" Diagonal\u003c\/li\u003e\n\u003cli\u003eFocuser: Dual-Speed Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eThe Versatile 80mm Solar Telescope for High-Resolution Detail\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS80MT H-Alpha Solar Telescope - Enhanced Kit is a multi-purpose instrument designed for the serious solar observer who demands both high-resolution views and the flexibility for imaging. Its 80mm aperture and internal pressure-tuned etalon deliver exceptionally detailed, high-contrast images of the Sun's chromosphere, resolving fine filaments, plage, and the intricate structure of solar prominences. This Enhanced Kit is built around the larger B1800 blocking filter, providing a fully illuminated field for larger camera sensors and wider-field eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e80mm ED Doublet Objective Lens\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS80MT is a precision 80mm F\/7 ED doublet objective. The FPL51 glass element significantly reduces chromatic aberration, ensuring that light is focused to a sharp, high-contrast point. This optical purity is critical in a solar telescope, as it provides a clean, artifact-free image to the etalon, resulting in a darker background sky and more vibrant surface detail.\u003c\/p\u003e\n\u003cp\u003eFor the observer, this means the ability to push magnification on days of good seeing to resolve the fine, thread-like structure within sunspot umbras and the delicate, feathery texture of hedgerow prominences. The 560mm focal length provides a versatile image scale, suitable for full-disc views with longer focal length eyepieces and detailed close-ups with shorter ones, without requiring a Barlow lens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eInternal Pressure-Tuned Etalon for Peak Contrast\u003c\/h3\u003e\n\u003cp\u003eLunt's signature pressure-tuning system provides superior control over the etalon's bandpass. Unlike mechanical tilt-tuning which can introduce uneven illumination, pressure tuning adjusts the refractive index of the air between the etalon plates. This maintains a perfectly even, on-band image from edge to edge, which is crucial for uniform brightness in both visual observation and imaging.\u003c\/p\u003e\n\u003cp\u003eThis system allows you to precisely shift the filter's bandpass to track features moving at high velocity, such as solar flares or coronal mass ejections. By slightly increasing or decreasing the pressure, you can \"Doppler shift\" the view to highlight material moving towards or away from you, revealing dynamic details that would otherwise be invisible. The factory-verified bandpass of \u0026lt;0.4Å provides an ideal balance between surface detail and prominence brightness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB1800 Blocking Filter for Imaging and Wide Fields\u003c\/h3\u003e\n\u003cp\u003eThe Enhanced Kit includes the B1800 blocking filter, featuring a large 18mm aperture. This is a significant upgrade from the standard B1200, as it provides a much larger fully-illuminated field of view. For imagers using cameras with APS-C or larger sensors, this eliminates vignetting, ensuring the entire frame is evenly lit.\u003c\/p\u003e\n\u003cp\u003eVisually, the larger aperture of the B1800 allows the use of wide-field, low-power 2-inch eyepieces without the field stop being cut off. This lets you frame the entire solar disc with a generous black-sky border, creating a more immersive, \"spacewalk\" viewing experience. It transforms the telescope into a capable instrument for full-disc solar mosaics and general wide-field observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eRobust Dual-Speed Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eTo handle the demands of modern imaging equipment, the LS80MT is equipped with a heavy-duty dual-speed rack and pinion focuser. This design offers a significant advantage over Crayford-style focusers by providing zero slippage, even when supporting a heavy camera, filter wheel, and Barlow lens. The coarse focus knob gets you into the general vicinity quickly, while the 10:1 fine-focus knob allows for the critical, minute adjustments needed to snap solar granulation or spicules into sharp relief.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eModular Design for Day and Night Observation\u003c\/h3\u003e\n\u003cp\u003eThe \"MT\" in LS80MT stands for Modular Telescope. The hydrogen-alpha module, containing the etalon, can be easily removed. With the addition of optional accessories like a dovetail and focuser, the 80mm ED objective can be converted into a high-performance nighttime telescope for observing the moon, planets, and deep-sky objects. This versatility makes the LS80MT a complete observing system, saving you the expense and storage space of a separate nighttime refractor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSafe and Easy Solar Alignment\u003c\/h3\u003e\n\u003cp\u003eThe included red dot Sol-Searcher is a safe and intuitive way to align the telescope with the Sun. It uses a small pinhole to project an image of the solar disk onto a translucent screen. To aim the telescope, you simply move the tube until the projected dot is centered on the screen, eliminating any guesswork and ensuring you never have to look directly at the sun to find it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eExperiencing the Chromosphere\u003c\/h3\u003e\n\u003cp\u003eWith the LS80MT and a medium-power eyepiece, the solar limb is no longer a simple, sharp edge. It resolves into a field of countless fiery spicules, tiny jets of plasma that give the chromosphere a \"furry\" appearance. Following a dark filament as it rotates to the edge of the disk, you can watch it transform into a magnificent prominence, a curtain of glowing hydrogen gas suspended in the blackness of space. The pressure tuner allows you to subtly adjust the view, making the prominence glow with maximum contrast against the background, revealing knots and streamers within its structure.\u003c\/p\u003e\n\u003cp\u003eThe primary trade-off for this versatility and aperture is portability. While manageable for one person, the LS80MT is a more substantial instrument than a 50mm or 60mm scope and requires a stable mount like an EQ5 or HEQ5-class equatorial mount for optimal performance, especially for imaging. It is the right choice for the observer who has a dedicated space or is willing to transport a larger setup for a significant increase in resolution and flexibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the B1800 blocking filter in the Enhanced Kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe B1800 blocking filter has an 18mm aperture, which provides a larger fully illuminated field of view compared to the standard B1200 (12mm). This is essential for imaging with larger camera sensors to avoid vignetting (darkened corners) and allows for wider true fields of view with 2-inch eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a better focuser for imaging with the LS80MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the included dual-speed rack and pinion focuser is designed for imaging. It is very robust and can handle the weight of most camera setups without slipping, and the 10:1 fine focus control is critical for achieving sharp solar images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the LS80MT better for surface detail or prominences?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe single-stack \u0026lt;0.4Å bandpass provides an excellent balance for viewing both. It is narrow enough to show high-contrast surface detail like filaments and plage, while being wide enough to show bright prominences on the limb. For even higher surface contrast, it can be upgraded with a double-stack filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Lunt LS80MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDue to its weight and length, the LS80MT requires a stable mount. A mid-sized equatorial mount like a Sky-Watcher HEQ5 or Celestron AVX is recommended for visual use, while a larger class mount is suggested for serious imaging to ensure stability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does pressure tuning compare to tilt tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning adjusts the air pressure around the internal etalon, changing its refractive index to shift the bandpass. This keeps the etalon perfectly parallel to the light path for a more uniform view across the entire field. Tilt tuning physically tilts the etalon, which can cause banding or uneven illumination, especially for imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I upgrade this telescope to a double-stack system later?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The LS80MT is fully compatible with Lunt's internal double-stack module (DSII-SFPT). Adding this module will narrow the bandpass to \u0026lt;0.3Å, which significantly increases the contrast and visibility of fine surface details on the sun's chromosphere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eModular Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective\u003c\/td\u003e\n\u003ctd\u003eED Doublet, FPL51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e560mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.4 Angstrom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eInternal Pressure Tune (Doppler True Tuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1800 with 2\" Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual Speed Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eMounting Rings with 8\" Vixen-style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eHard Case with Custom-cut Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e11.4 lbs (5.2 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS80MT 80mm Modular Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1800 Blocking Filter in 2\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDual-Speed Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 Pair\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8\" Vixen-style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Dot Sun Finder (Sol-Searcher)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Carrying Case with Custom Foam\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e12mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e16mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e19mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS80MT-Solar-Telescope-Manual.pdf?v=1777432307\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/luntsolarsystems.com\/product-category\/telescopes\/warranty-information\/\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230514643229,"sku":"LSS-LS80MT-Enhanced","price":5033.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS80MTSolarTelescopeEnhancedKit.jpg?v=1777668029"},{"product_id":"lunt-ls80mt-h-alpha-solar-telescope-premium-plus-kit","title":"Lunt LS80MT H-Alpha Solar Telescope - Premium PLUS Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 80mm ED Doublet\u003c\/li\u003e\n\u003cli\u003eFocal Length: 560mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/7\u003c\/li\u003e\n\u003cli\u003eSystem Bandpass: \u0026lt;0.28Å (Double-Stacked)\u003c\/li\u003e\n\u003cli\u003eTuning: Pressure-Tuned Doppler True Tuning\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B1800 in 2\" Diagonal\u003c\/li\u003e\n\u003cli\u003eFocuser: Dual-Speed Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003cli\u003eUse: Day (H-Alpha Solar) \u0026amp; Night (Astronomical)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eManuals \u0026amp; Software\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eThe Chromosphere in Unrivaled Contrast: The Lunt LS80MT H-Alpha Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS80MT H-Alpha Solar Telescope - Premium PLUS Kit is a complete system designed for the uncompromising solar observer who demands the highest possible contrast for viewing and imaging the Sun's chromosphere. By combining an 80mm ED doublet refractor with two pressure-tuned etalons, this package delivers a sub-0.28Å bandpass, transforming the solar disk from a bright, active surface into a richly detailed, three-dimensional plasma environment. This is not just a solar telescope; its modular design allows for quick conversion to a high-performance nighttime refractor, providing true day-and-night utility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e80mm ED Doublet Objective: The Foundation for High-Resolution Views\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS80MT is a precision 80mm f\/7 ED doublet objective lens. The use of FPL-51 extra-low dispersion glass significantly reduces chromatic aberration, or false color. This ensures that light is focused to a single, sharp point, a critical requirement for resolving fine details in solar prominences and the intricate texture of the nighttime lunar terminator alike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePrimary Internal Pressure-Tuned Etalon: Precise Doppler Tuning\u003c\/h3\u003e\n\u003cp\u003eThe core of the solar engine is Lunt's internal, air-spaced etalon, which isolates the hydrogen-alpha wavelength of 656.28nm. Lunt’s innovative pressure-tuning system adjusts the air pressure between the etalon plates, changing the refractive index to shift the filter's bandpass precisely. This \"Doppler True Tuning\" allows you to follow features moving toward or away from you on the solar disk, like eruption outflows, without introducing mechanical stress or tilt to the optical train, maintaining the highest image quality across the entire field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eInternal Double-Stack Module for Maximum Surface Contrast\u003c\/h3\u003e\n\u003cp\u003eThis Premium PLUS kit includes the internal SFPT double-stacking module, which narrows the final system bandpass to an exceptional \u0026lt;0.28Å. This secondary etalon dramatically increases contrast on the solar disk by suppressing the \"glow\" from the photosphere. The effect is transformative: faint filaments snap into sharp relief, active regions reveal their complex magnetic structure, and surface granulation becomes readily apparent, creating a view that feels almost three-dimensional.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB1800 Blocking Filter: A Wide, Unvignetted Field for Imaging\u003c\/h3\u003e\n\u003cp\u003eThe included B1800 blocking filter, housed in a 2-inch star diagonal, provides the final, critical stage of energy rejection and defines the usable field of view. The generous 18mm aperture of this filter is specifically chosen for the LS80MT to provide a full, unvignetted solar disk for both visual observers and imagers using cameras with larger sensors. This ensures your images have even illumination from edge to edge without performance compromise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDual-Speed Rack \u0026amp; Pinion Focuser: Precision without Flexure\u003c\/h3\u003e\n\u003cp\u003eAchieving perfect focus at high magnification on a shimmering solar limb requires a robust and precise focuser. The LS80MT employs a heavy-duty dual-speed rack and pinion focuser that eliminates the image shift and flexure common with lesser designs. The 10:1 fine-focus knob allows for the minute adjustments needed to snap an image into perfect sharpness, holding it securely for long imaging runs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eModular Design: From Solar Powerhouse to Nighttime Explorer\u003c\/h3\u003e\n\u003cp\u003eThe \"MT\" in LS80MT stands for Modular Telescope. The entire hydrogen-alpha engine, including the etalon and blocking filter diagonal, can be removed in minutes. With the addition of a standard focuser (sold separately), the 80mm ED optical tube becomes a capable nighttime instrument, perfect for detailed views of planets, the Moon, and bright deep-sky objects, offering excellent value and versatility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAn Observer's Experience: Tracing a Filament Channel\u003c\/h3\u003e\n\u003cp\u003eWith the double-stack engaged and a zoom eyepiece dialed in, the view is electric. A dark filament, which in a wider-bandpass scope appears as a simple dark line, resolves into a braided, multi-stranded river of cool plasma suspended above the surface. Fine-tuning the pressure dial seems to lift the filament off the disk, highlighting its structure against the textured chromosphere below. This is where the sub-0.28Å bandpass proves its worth, delivering a level of detail that single-stack systems cannot approach.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLimitations and System Context\u003c\/h3\u003e\n\u003cp\u003eWhile the double-stacked \u0026lt;0.28Å bandpass is unmatched for surface detail, it does result in a slightly dimmer image compared to a single-stack \u0026lt;0.45Å configuration. For this reason, single-stacking is often preferred for viewing very faint prominences against the blackness of space. The true strength of this Premium PLUS kit is its ability to reveal the highest possible contrast on the dynamic solar disk itself, making it the right choice for observers who prioritize surface phenomena over limb detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the main benefit of the LS80MT double-stack system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe double-stack module narrows the filter bandpass to below 0.28 Angstroms. This dramatically increases contrast on the sun's surface, making features like filaments, active regions, and plage much more detailed and visually distinct compared to a single-stack system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a special mount for the Lunt LS80MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS80MT optical tube weighs around 11 pounds. You will need a stable astronomical mount with a payload capacity of at least 20 pounds to ensure steady views, especially for imaging. A mount like a Celestron AVX or Sky-Watcher HEQ5 is a good starting point.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs pressure tuning better than tilt tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning adjusts the etalon's bandpass without tilting it, which prevents the introduction of off-axis aberrations and ensures a more uniform view across the entire field. This generally provides a higher-fidelity image compared to mechanical tilt-tuning systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose the B1800 blocking filter over the B1200?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe larger 18mm aperture of the B1800 blocking filter provides a wider, unvignetted field of view. This is highly recommended for imagers using cameras with APS-C or larger sensors to ensure the entire solar disk is evenly illuminated in your images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow difficult is it to convert the LS80MT for nighttime use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe conversion is straightforward. You simply unscrew the red H-alpha module from the main tube and replace the blocking filter diagonal with a standard star diagonal. You will need to purchase a separate focuser to attach to the rear of the main optical tube for nighttime observing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this telescope safe for looking at the sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Lunt LS80MT is a dedicated solar telescope with multiple, permanently installed filters. When used as instructed with all original parts, it is completely safe for direct solar observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Aperture\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective\u003c\/td\u003e\n\u003ctd\u003eED Doublet, FPL-51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e560mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtalon\u003c\/td\u003e\n\u003ctd\u003eInternal Pressure Tuned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eDoppler True Tuning (Pressure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Bandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.45 Angstrom (Single-Stack), \u0026lt;0.28 Angstrom (Double-Stack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1800 in 2\" Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual Speed Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eTube Rings with Vixen-style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eAluminum Hard Case with Custom Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e11.2 lbs (5.1 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt LS80MT Telescope\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/lunt-ls80mt-h-alpha-solar-telescope-premium-plus-kit-1.jpg?v=1793506168\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS80MT 80mm Modular Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt Internal Double-Stack Module\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/lunt-sfpt-internal-double-stack-etalon-for-ls80mt-1.jpg?v=1793506173\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSFPT Internal Double-Stack Module\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt B1800 Blocking Filter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/lunt-b1800-blocking-filter-h-alpha-solar-telescope-1.jpg?v=1793506177\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1800 Blocking Filter in Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt Mounting Rings and Dovetail\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/lunt-mounting-rings-dovetail.jpg?v=1793506180\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings \u0026amp; 8\" Dovetail\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt Sol-Searcher Finder\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/lunt-sol-searcher.jpg?v=1793506183\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Dot Sun Finder (Sol-Searcher)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt Zoom Eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/lunt-zoom-eyepiece.jpg?v=1793506186\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt Zoom Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt Telescope Hard Case\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/lunt-hard-case-aluminum.jpg?v=1793506189\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS80MT-Solar-Telescope-Manual.pdf?v=1777432307\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230514741533,"sku":"LSS-LS80MT-Premium","price":6573.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS80MTSolarTelescopePremiumKit.jpg?v=1777668052"},{"product_id":"lunt-ls100mt-h-alpha-solar-telescope-standard-kit","title":"Lunt LS100MT H-Alpha Solar Telescope - Standard Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 100mm ED Doublet\u003c\/li\u003e\n\u003cli\u003eFocal Length: 714mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/7.14\u003c\/li\u003e\n\u003cli\u003eBandpass: \u0026lt;0.4Å (Single-Stack)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B1200 in 2\" Diagonal\u003c\/li\u003e\n\u003cli\u003eFocuser: Dual-Speed Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eThe Professional's Portal to the Chromosphere: Lunt LS100MT\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS100MT is a professional-grade 100mm H-Alpha solar telescope designed for the dedicated solar observer who demands high-resolution views of the Sun's dynamic chromosphere. This instrument combines a large, unobstructed aperture with Lunt's Doppler-true pressure tuning system, delivering the power to resolve fine filaments, intricate plage, and the subtle dynamics within solar flares. Its modular design further extends its utility, transforming it into a capable nighttime refractor for deep-sky and planetary work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e100mm ED Doublet Objective Lens\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS100MT is a 100mm F\/7.14 air-spaced doublet objective lens. Using an element of FPL-51 extra-low dispersion (ED) glass, this optic is highly corrected for chromatic aberration, producing a sharp, high-contrast image before the light ever reaches the filtering system. This large, unobstructed aperture provides the raw resolving power needed to see fine details on the solar disk that are simply invisible in smaller instruments, especially under good seeing conditions.\u003c\/p\u003e\n\u003cp\u003eThe immediate visual benefit is the ability to push magnification higher on active regions. Where a 60mm or 80mm scope might show a sunspot group as a clustered smudge, the 100mm aperture resolves individual umbrae and the delicate structure of the surrounding penumbra. This is the aperture that transforms a view of a solar flare from a bright point into a complex, evolving structure with discernible loops and ribbons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eInternal Pressure-Tuned Etalon\u003c\/h3\u003e\n\u003cp\u003eThe LS100MT uses Lunt's advanced internal pressure-tuning system for its solid-etalon filter. By adjusting a small piston, you precisely change the air pressure in the etalon cavity, which alters its refractive index and shifts the filter's bandpass across the H-alpha line. This method provides \"Doppler-true\" tuning, allowing you to observe the slight blue-shift of material moving toward you in a solar flare or the red-shift of a falling prominence without introducing off-axis artifacts.\u003c\/p\u003e\n\u003cp\u003eUnlike mechanically tuned systems, pressure tuning imparts zero stress on the etalon itself, ensuring consistent performance and preventing the de-contacting that can occur over the life of a tilt-tuned filter. The result is a uniformly illuminated field of view and the ability to track dynamic events across their full velocity range. The standard single-stack configuration provides a \u0026lt;0.4Å bandpass, ideal for high-contrast views of prominences against the blackness of space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB1200 Blocking Filter for a Full-Disc View\u003c\/h3\u003e\n\u003cp\u003eThis Standard Kit includes the B1200 blocking filter, housed within a 2-inch star diagonal. The \"1200\" refers to its 12mm aperture, which is large enough to provide a full, unvignetted view of the solar disk at the telescope's native 714mm focal length. This is crucial for observers who want to study the relationship between active regions or trace long filaments as they stretch across the Sun's face.\u003c\/p\u003e\n\u003cp\u003eThe B1200 is the workhorse of the Lunt lineup, offering a generous field for visual use and providing ample coverage for imagers using cameras with smaller to medium-sized sensors. While the larger B1800 offers more breathing room for cameras with large sensors, the B1200 is perfectly matched for visual observation and is a more cost-effective choice for those not primarily focused on large-format imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePrecision Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eHigh-magnification solar observing requires a focuser that can make minute, repeatable adjustments without image shift. The LS100MT is equipped with a robust 2-inch dual-speed rack and pinion focuser. The coarse focus knob allows for rapid initial focusing, while the 10:1 fine-focus knob lets you dial in the perfect sharpness needed to see the delicate, hair-like texture of a solar filament or the spicules dancing at the solar limb.\u003c\/p\u003e\n\u003cp\u003eThis level of precision is not a luxury, it is a necessity. As atmospheric seeing ebbs and flows, you will constantly make small adjustments to catch moments of perfect clarity. The focuser's solid, zero-slop design ensures that these adjustments are immediate and precise, keeping your target perfectly centered and sharp when the seeing steadies for that fleeting second.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Modular Telescope for Day and Night\u003c\/h3\u003e\n\u003cp\u003eA key advantage of the LS100MT is its modular design. The internal H-alpha module can be easily removed, allowing the ED doublet objective and tube assembly to be used as a high-quality nighttime astronomical telescope. This two-in-one capability makes the LS100MT an exceptional value for the serious amateur astronomer.\u003c\/p\u003e\n\u003cp\u003eWith the addition of a standard star diagonal, the 100mm ED objective becomes a powerful instrument for observing the planets, the Moon, and brighter deep-sky objects. The same optical quality that provides razor-sharp solar views delivers pinpoint stars and high-contrast planetary details. This versatility means your investment is not locked into a single celestial object, but serves as your primary instrument for any target, day or night.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSafe and Easy Solar Targeting\u003c\/h3\u003e\n\u003cp\u003eAiming a telescope at the Sun without looking through it is a critical safety challenge. The LS100MT solves this with an included Tele-Vue Sol-Searcher. This finder projects a small, safe image of the solar disk onto a rear-facing screen. To align the telescope, you simply move the tube until the solar image is centered on the screen, a process that is both intuitive and completely safe.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eObserving the Sun with 100mm of Aperture\u003c\/h3\u003e\n\u003cp\u003eWith a good quality eyepiece yielding around 70x, the full solar disk is a seething ball of detail. Prominences, rendered with high contrast by the \u0026lt;0.4Å etalon, stand out sharply from the limb. As you tune the etalon, you can watch as different layers and structures within a large prominence snap into view. Pushing the magnification to 120x on an active region reveals the dark, complex cores of sunspots and the bright, web-like structure of surrounding plage. It is at this image scale that the Sun's three-dimensional nature becomes apparent, with filaments looking like dark hedgerows suspended over the brighter chromosphere below.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eChoosing Your Lunt MT: 80mm vs 100mm\u003c\/h3\u003e\n\u003cp\u003eThe Lunt MT series offers several apertures, and the choice between them is a balance of performance, portability, and seeing conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunt LS80MT:\u003c\/strong\u003e The 80mm is significantly lighter and more compact, making it an ideal \"grab-and-go\" solar telescope that excels on smaller mounts. It provides outstanding views and will resolve all major solar features. It is often a better choice for observers who frequently contend with poor atmospheric seeing, as its smaller aperture is less affected by turbulence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunt LS100MT:\u003c\/strong\u003e The 100mm is the next step up in resolving power. The 25% increase in aperture directly translates to a higher resolution ceiling for fine details like spicules, filamentary structure, and granulation. It requires a more substantial mount and is more sensitive to seeing conditions, but on a steady day, its performance is a clear and significant step above the 80mm. It is the right choice for the observer who wants to push the limits of resolution from their backyard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of pressure tuning vs. tilt tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning adjusts the bandpass without tilting the etalon, preventing off-axis distortion and providing a more uniform view. This allows you to accurately observe Doppler-shifted events (material moving toward or away from you) like solar flares, which is a key advantage for serious solar observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I upgrade this LS100MT to a double-stack system later?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The LS100MT is fully compatible with Lunt's DSII\/SFPT internal double-stacking module. Adding this module will narrow the bandpass to \u0026lt;0.5Å, significantly increasing contrast on the solar disk and making surface details like plage and filaments much more prominent.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a bigger blocking filter than the B1200?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor visual use, the B1200 is perfectly matched to the LS100MT's focal length and provides a full-disk view. You would only consider upgrading to a B1800 if you plan to do serious imaging with a camera that has a very large sensor, where the extra field of view would prevent vignetting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Lunt LS100MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe LS100MT optical tube weighs 12.6 lbs. You will need a stable, high-quality astronomical mount with a payload capacity of at least 20-25 lbs to handle the telescope and any additional accessories without vibration. A Celestron AVX or Sky-Watcher HEQ5-class mount is a suitable starting point.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the LS100MT different from a dedicated Lunt solar telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \"MT\" in LS100MT stands for Modular Telescope. Unlike dedicated Lunt scopes, the entire H-alpha filtering assembly can be removed, allowing you to use the 100mm ED doublet refractor as a conventional telescope for nighttime astronomy, making it a more versatile instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this telescope safe to use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. When used according to the manufacturer's instructions, Lunt solar telescopes are completely safe. The internal etalon and required blocking filter work together to reject harmful radiation, providing a safe and comfortable view of the Sun.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Aperture\u003c\/td\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective\u003c\/td\u003e\n\u003ctd\u003eAir-spaced ED Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e714mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7.14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtalon\u003c\/td\u003e\n\u003ctd\u003eInternal Pressure Tuned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.4 Angstroms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1200 in 2\" Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual Speed Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003e28\" (711mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e12.6 lbs (5.7 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail\u003c\/td\u003e\n\u003ctd\u003e8\" Vixen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt LS100MT H-Alpha Solar Telescope\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS100MT-Solar-Telescope-1.jpg?v=1779183001\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS100MT Telescope OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt B1200 Blocking Filter in 2-inch Diagonal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-B1200-Blocking-Filter-Diagonal-1.jpg?v=1779183002\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1200 Blocking Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt Dual-Speed Rack and Pinion Focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS100MT-Focuser-1.jpg?v=1779183003\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDual Speed Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt Mounting Rings for LS100MT\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS100MT-Rings-1.jpg?v=1779183004\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eClamshell Mounting Ring\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Tele Vue Sol-Searcher Solar Finder\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-Sol-Searcher-1.jpg?v=1779183005\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Dot Sun Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt 8-inch Vixen-style Dovetail Bar\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-8inch-Dovetail-1.jpg?v=1779183006\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8\" Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Lunt 19mm Flat-Field Eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-19mm-Eyepiece-1.jpg?v=1779183007\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e19mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Hard Case for Lunt Solar Telescope\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-Hard-Case-1.jpg?v=1779183008\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS100MT-Solar-Telescope-Manual.pdf?v=1777432309\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.4 24-24s-10.4-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230515101981,"sku":"LSS-LS100MT-Standard","price":4893.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS100MTSolarTelescopeStandardKit.jpg?v=1777668206"},{"product_id":"lunt-ls100mt-h-alpha-solar-telescope-enhanced-kit","title":"Lunt LS100MT H-Alpha Solar Telescope - Enhanced Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 100mm ED Doublet\u003c\/li\u003e\n\u003cli\u003eBandpass (Single-Stack): ≤0.4Å\u003c\/li\u003e\n\u003cli\u003eFocal Length: 714mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/7.14\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B1800 in 2\" Diagonal\u003c\/li\u003e\n\u003cli\u003eFocuser: Dual-Speed Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eResolve the Sun's Dynamic Atmosphere with the Lunt LS100MT\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS100MT H-Alpha Solar Telescope - Enhanced Kit is a versatile, high-resolution instrument designed for the serious solar observer who demands both performance and flexibility. With its 100mm ED doublet objective and precision pressure-tuned etalon, this telescope delivers high-contrast, richly detailed views of solar prominences, filaments, and surface granulation. The Enhanced Kit configuration provides a critical upgrade path for both visual observation and imaging, right out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e100mm ED Doublet Objective Lens\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS100MT is a 100mm air-spaced doublet objective lens. The use of an FPL51 ED (Extra-low Dispersion) glass element significantly reduces chromatic aberration, ensuring that the primary image formed is sharp and free of false color. This clean, high-fidelity starting point is critical for the performance of the downstream H-alpha filter system, allowing the etalon to isolate the 656.28nm wavelength with maximum contrast and minimal interference.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eInternal Pressure-Tuned Etalon for Uniformity\u003c\/h3\u003e\n\u003cp\u003eUnlike front-mounted tilt-tuned filters, the LS100MT employs an internal, solid-etalon filter tuned via Lunt's True Pressure Tuning system. By adjusting air pressure within the etalon cavity, you can precisely shift the filter's bandpass across the hydrogen-alpha line, moving from the solar disk to the limb without introducing uniformity issues. This method avoids the banding and \"sweet spots\" associated with tilt-tuning, providing a consistently illuminated and uniformly detailed image across the entire field of view.\u003c\/p\u003e\n\u003cp\u003eThe single etalon in the LS100MT achieves a bandpass of ≤0.4Å, a specification measured and verified on a scanning monochromator. This narrow bandwidth is the key to resolving fine chromospheric detail. It darkens the solar photosphere enough to make the intricate, fibrous texture of filaments and the bright, chaotic structure of active regions clearly visible against the disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eB1800 Blocking Filter for Full-Disk Imaging\u003c\/h3\u003e\n\u003cp\u003eThe Enhanced Kit includes the B1800 blocking filter, housed in a 2-inch star diagonal. The 18mm aperture of this filter is essential for observers using cameras with larger sensors or eyepieces with wide field stops. It provides a generous, unvignetted field of view, ensuring the entire solar disk is illuminated evenly from edge to edge. This is a practical advantage for creating full-disk mosaic images or simply enjoying wide-field views without a fading light at the periphery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDual-Speed Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eAchieving perfect focus on delicate solar features is critical, and the LS100MT is equipped with a robust dual-speed 10:1 rack and pinion focuser. The coarse focus knob allows for rapid initial adjustments, while the fine-focus control provides the precision needed to snap the thinnest spicules or the most subtle surface granulation into sharp relief. This level of control is not a luxury; it is a necessity when atmospheric seeing is fleeting and you have only a moment to capture the sharpest possible view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eModular Telescope (MT) Design for Night and Day\u003c\/h3\u003e\n\u003cp\u003eThe \"MT\" in LS100MT stands for Modular Telescope, a design that significantly increases the instrument's value. By unscrewing the hydrogen-alpha module, you can convert the 100mm ED doublet into a capable nighttime astronomical telescope. With the addition of a standard focuser (sold separately), it becomes an excellent instrument for viewing planets, the Moon, and deep-sky objects, making your investment serve you around the clock.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSafe and Easy Solar Alignment\u003c\/h3\u003e\n\u003cp\u003eThe included Red Dot Sun Finder provides a simple and safe method for aligning the telescope. This finder projects a small red dot onto a shielded screen. By centering this dot, you align the main telescope with the Sun without ever needing to look directly at it, ensuring a safe and fast start to your observing session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch3\u003eObserving the Solar Limb\u003c\/h3\u003e\n\u003cp\u003eWith the pressure tuner adjusted for the limb, the view through the LS100MT becomes a dynamic spectacle of solar activity. At 71x magnification with a 10mm eyepiece, a large prominence group detaches from the solar limb, its structure appearing as a delicate, feathery arch of plasma. The ≤0.4Å bandpass resolves individual strands within the prominence, revealing a three-dimensional quality against the blackness of space. As the seeing stabilizes, you can trace the flow of material along magnetic field lines, a direct observation of the forces shaping our star.\u003c\/p\u003e\n\u003cp\u003eA genuine trade-off of the LS100MT's versatility is its weight and length compared to smaller, dedicated solar scopes. At over 12 lbs and 34 inches long, it requires a stable, medium-class equatorial mount like a Celestron AVX or Sky-Watcher HEQ5 to provide vibration-free views, especially in windy conditions. This is not a grab-and-go setup but a dedicated instrument for planned observing sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch3\u003eChoosing Your Lunt MT Telescope\u003c\/h3\u003e\n\u003cp\u003eLunt's MT series offers a clear progression in aperture and capability. This LS100MT Enhanced Kit is positioned for the observer who has moved beyond introductory solar viewing and requires higher resolution and a larger image scale for visual work or imaging.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. LS80MT:\u003c\/strong\u003e The LS80MT offers a more portable and affordable entry into the pressure-tuned MT lineup. The LS100MT, with its 56% greater light-gathering area, delivers visibly brighter images and a higher resolution ceiling, allowing it to resolve finer details within filaments and prominence structures when atmospheric conditions permit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. LS130MT:\u003c\/strong\u003e The flagship LS130MT is a significant step up in aperture, offering the highest-resolution solar views possible in the Lunt lineup. The LS100MT provides a substantial portion of that performance in a lighter, more manageable, and more affordable package, making it the right choice for observers who need a balance of high performance and practicality for their mount and budget.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of pressure tuning over tilt tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning shifts the etalon's bandpass uniformly across the entire filter, providing a consistent, evenly illuminated image. Tilt-tuning can create a \"sweet spot\" or banding, where some parts of the field are on-band and others are not.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose the B1800 blocking filter over the B1200?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe B1800 provides a larger, fully-illuminated field of view, which is essential for imaging with cameras that have larger sensors (like APS-C or full-frame). For visual use, it prevents vignetting when using long focal length, wide-field eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I double-stack the LS100MT for higher contrast views?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. You can add an optional internal double-stack module (DSII\/SFPT) to reduce the bandpass to \u0026lt;0.28Å. This significantly increases contrast on the solar disk, making surface details like plages and active region structure more prominent.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Lunt LS100MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDue to its weight and length, the LS100MT requires a stable equatorial mount with a payload capacity of at least 25-30 lbs. A mount like the Celestron AVX, Sky-Watcher HEQ5, or iOptron CEM26 is recommended for stable visual use and imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I convert the LS100MT for nighttime use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou can purchase a separate Lunt conversion kit which includes a standard rack and pinion focuser. You simply unscrew the red H-alpha module from the main tube and attach the nighttime focuser in its place.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the LS100MT good for both visual and imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it excels at both. The 100mm aperture provides bright, high-resolution views for visual observers, while the pressure-tuned system and dual-speed focuser offer the consistency and fine control needed for high-resolution solar imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective\u003c\/td\u003e\n\u003ctd\u003eED Air-Spaced Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e714mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7.14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.4 Angstrom (Single Stack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eInternal Pressure Tune (Doppler True Tuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1800 in 2\" Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eDual-Speed 10:1 Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eTube Rings with 8\" Vixen-style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eAluminum Hard Case with Custom Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e12.7 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e34.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS100MT 100mm H-Alpha Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1800 Blocking Filter in 2\" Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDual-Speed Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings with Handle\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8\" Vixen-Style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Dot Sun Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e12mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e16mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e19mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS100MT-Solar-Telescope-Manual.pdf?v=1777432309\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230515167517,"sku":"LSS-LS100MT-Enhanced","price":6573.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS100MTSolarTelescopeEnhancedKit.jpg?v=1777668581"},{"product_id":"lunt-ls100mt-h-alpha-solar-telescope-premium-plus-kit","title":"Lunt LS100MT H-Alpha Solar Telescope - Premium PLUS Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 100mm ED Doublet\u003c\/li\u003e\n\u003cli\u003eBandpass (Double-Stacked): \u0026lt;0.28Å\u003c\/li\u003e\n\u003cli\u003eTuning System: Internal Pressure Tuner (Doppler True Tuning)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B1800 (18mm)\u003c\/li\u003e\n\u003cli\u003eFocuser: Dual-Speed Rack \u0026amp; Pinion\u003c\/li\u003e\n\u003cli\u003eFocal Length: 714mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003c!-- TAB-MARKER-1: DESCRIPTION --\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eThe Chromosphere in Unrivaled Contrast: The Lunt LS100MT Double-Stack Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS100MT H-Alpha Solar Telescope - Premium PLUS Kit is a complete, professional-grade instrument engineered to reveal the solar chromosphere with the highest possible contrast. By combining a 100mm ED objective with two pressure-tuned etalons, this system achieves a tightly controlled \u0026lt;0.28Å bandpass, transforming the churning solar surface into a landscape of palpable, high-fidelity detail. It is the definitive choice for the observer or imager who demands a research-level view of solar filaments, plage, and active region evolution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Foundation of Optical Excellence: The 100mm ED Doublet\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS100MT is a 100mm f\/7.14 apochromatic doublet objective. The use of FPL51 Extra-low Dispersion (ED) glass corrects for chromatic aberration, producing a sharp, high-contrast image free of false color. This optical purity is not only critical for isolating the narrow Hydrogen-alpha wavelength but also allows the LS100MT to serve as a high-performance nighttime telescope when the H-alpha module is removed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePrecision Tuning without Compromise: The Internal Pressure-Tuned Etalon\u003c\/h3\u003e\n\u003cp\u003eLunt’s Doppler True Tuning system uses air pressure to adjust the refractive index within the primary etalon cavity, allowing you to shift the bandpass precisely onto the 656.28nm line. Unlike mechanical tilt-tuning which can introduce off-axis aberrations, pressure tuning keeps the etalon perfectly parallel to the light path. This results in a more uniform, higher-contrast image across the entire field of view, a critical advantage for both visual observation and full-disk imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eRevealing the Surface: The SFPT Internal Double-Stack Module\u003c\/h3\u003e\n\u003cp\u003eThis Premium PLUS kit includes the internal SFPT double-stacking module, the key to its enhanced performance. Adding a second etalon in series with the first narrows the final bandpass from ≤0.35Å to a remarkable \u0026lt;0.28Å. This dramatic reduction in out-of-band light significantly increases contrast on the solar disk, causing the intricate, web-like structure of filaments and the bright mottling of plage around sunspots to stand out with startling clarity.\u003c\/p\u003e\n\u003cp\u003eWith the double-stack engaged, you are no longer just seeing features on the sun, you are observing their structure. A simple filament resolves into a multi-stranded, twisting rope of plasma held in place by magnetic fields. The view shifts from a two-dimensional disk to a dynamic, three-dimensional surface, which is the ultimate goal of dedicated solar observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eFull-Disk Views without Vignetting: The B1800 Blocking Filter\u003c\/h3\u003e\n\u003cp\u003eThe blocking filter is a non-negotiable safety and performance component, and this kit includes the 18mm B1800. The larger aperture is matched to the telescope's 714mm focal length to provide a fully illuminated field for both eyepieces and imaging sensors. With the B1800, you can capture the entire solar disk, including towering prominences on the limb, without the dimming or vignetting at the edges that a smaller blocking filter would cause.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eCritical Focus for Fine Detail: The Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eObserving the sun is a high-magnification discipline where precise focus is everything. The LS100MT employs a robust, dual-speed rack and pinion focuser that eliminates image shift and backlash. The 10:1 fine focus knob allows you to make the minute adjustments needed to snap the finest spicules on the limb or the delicate texture within a sunspot's penumbra into perfect, sharp relief.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eOne Telescope, Day or Night: The Modular Design\u003c\/h3\u003e\n\u003cp\u003eThe \"MT\" in LS100MT stands for Modular Telescope. The entire Hydrogen-alpha assembly, including the red etalon housing, can be removed from the main optical tube. With optional accessories, you can convert the 100mm ED doublet into a first-rate refractor for nighttime planetary and deep-sky viewing, a white-light solar scope using a Herschel wedge, or a Calcium-K instrument. This versatility makes the LS100MT a long-term investment in your observing, not just a single-purpose instrument.\u003c\/p\u003e\n\u003cp\u003eThe primary trade-off for this level of performance and versatility is the need for a stable, high-capacity mount. The weight and length of the LS100MT require an equatorial mount in the EQ5\/CG-5 class or higher to provide a steady, vibration-free platform for the high-magnification views it is designed to deliver.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eChoosing Your Lunt 100MT Configuration\u003c\/h3\u003e\n\u003cp\u003eLunt offers the LS100MT in several packages, allowing you to choose the right entry point for your observing goals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Kit:\u003c\/strong\u003e This package includes the single-stack ≤0.35Å etalon and a B1200 blocking filter. It provides excellent views of solar prominences and basic surface detail, serving as a powerful entry into professional-grade solar astronomy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Kit:\u003c\/strong\u003e The Enhanced kit upgrades the blocking filter to the larger B1800, optimizing the system for imaging and ensuring a wider, fully illuminated field of view. It is the right choice if you plan to move into solar photography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium PLUS Kit:\u003c\/strong\u003e This is the ultimate configuration. It includes the B1800 blocking filter and the crucial SFPT internal double-stack module. For the observer who wants the highest possible contrast on surface features like filaments and active regions, this kit delivers the most detailed and dynamic view possible from a 100mm platform.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-2: FAQ --\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the double-stack in the Premium PLUS kit worth the extra cost?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor viewing solar surface detail, yes. Double-stacking narrows the bandpass to \u0026lt;0.28Å, which dramatically increases the contrast of filaments, plage, and granulation. If prominences are your main interest, a single-stack is sufficient, but for the most dynamic, \"3D\" view of the chromosphere, the double-stack is a significant upgrade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Lunt LS100MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDue to its weight (12.7 lbs) and focal length, you will need a stable equatorial mount with a payload capacity of at least 25-30 lbs. A mount in the Celestron AVX, Sky-Watcher EQ5, or iOptron CEM26 class is a good starting point for visual use, with larger mounts recommended for imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I convert the LS100MT for nighttime viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou simply unthread the red H-alpha etalon assembly from the main optical tube. You will then need a separate focuser and diagonal to attach to the back of the telescope tube for nighttime use. Lunt offers these accessories as part of a conversion kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does this kit use a B1800 blocking filter instead of a smaller one?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 18mm aperture of the B1800 blocking filter is required to prevent vignetting (dimming at the edges of the field) with the LS100MT's 714mm focal length. This ensures a bright, fully illuminated image of the entire solar disk, which is especially important for imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of pressure tuning over tilt tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning adjusts the etalon by changing the air pressure in the sealed chamber, which does not tilt the filter. This provides a more even and consistent bandpass across the entire field of view, avoiding the bright and dark bands that can sometimes appear with tilt-tuned systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I see sunspots with this telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, but H-alpha light shows the chromosphere, the layer above the sunspots. You will see the dark sunspot umbra and penumbra, but also the bright, energetic plage surrounding them and any filaments or flares in the active region, which are invisible in white light.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-3: SPECIFICATIONS --\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Type\u003c\/td\u003e\n\u003ctd\u003eH-Alpha Solar \/ Modular Nighttime Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective\u003c\/td\u003e\n\u003ctd\u003eFPL51 ED Air-Spaced Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e714mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7.14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass (Single-Stack)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.35 Angstrom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass (Double-Stack)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.28 Angstrom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eDoppler True Tuning (Internal Pressure Tuner)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1800 (18mm) in 2\" Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual-Speed Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Weight\u003c\/td\u003e\n\u003ctd\u003e12.7 lbs (5.76 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003e28.2\" (716 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-4: IN THE BOX --\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS100MT 100mm ED Doublet OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eInternal H-Alpha Etalon with Pressure Tuner\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSFPT Internal Double-Stack H-Alpha Etalon\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1800 Blocking Filter in 2\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDual-Speed Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt Zoom Eyepiece (7.2mm - 21.5mm)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Dot Sun Finder Handle\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 Pair\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8\" Vixen-Style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCustom Hard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-5: MANUAL --\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS100MT-Solar-Telescope-Manual.pdf?v=1777432309\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c!-- TAB-MARKER-6: WARRANTY --\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230515462429,"sku":"LSS-LS100MT-Premium","price":8113.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS100MTSolarTelescopePremiumKit.jpg?v=1777668230"},{"product_id":"lunt-ls130mt-h-alpha-solar-telescope-flagship-kit","title":"Lunt LS130MT H-Alpha Solar Telescope - Flagship Kit","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAperture: 130mm ED Triplet\u003c\/li\u003e\n\u003cli\u003eFocal Length: 910mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/7\u003c\/li\u003e\n\u003cli\u003eBandpass (Double-Stacked): \u0026lt;0.28Å\u003c\/li\u003e\n\u003cli\u003eTuning: Internal Pressure-Tuned Etalons (Doppler True Tuning)\u003c\/li\u003e\n\u003cli\u003eBlocking Filter: B1800\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eA Flagship View of the Dynamic Sun\u003c\/h2\u003e\n\u003cp\u003eThe Lunt LS130MT H-Alpha Solar Telescope - Flagship Kit is a complete observatory-grade instrument designed to deliver the highest-contrast, highest-resolution views of the Sun's chromosphere available in its aperture class. By combining a large 130mm apochromatic triplet objective with a dual-etalon, pressure-tuned filtering system, this telescope resolves the finest solar details with uncompromising clarity, while its modular design allows for seamless conversion into a capable nighttime instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 130mm ED Triplet Optical Foundation\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the LS130MT is an air-spaced ED apochromatic triplet objective. This advanced optical design provides a sharp, high-contrast image with color correction that is not only critical for detailed solar work but also makes it a formidable performer for high-resolution nighttime viewing of the Moon, planets, and double stars. This is not just a solar telescope; it is a versatile, high-end refractor that excels at any high-magnification task you set for it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDoppler True Tuning with Pressure-Tuned Etalons\u003c\/h3\u003e\n\u003cp\u003eLunt's Doppler True Tuning (DTT) system uses air pressure to adjust the etalon's bandpass, a method that is mechanically superior to tilt-tuning. By gently increasing the pressure in the etalon cavity, you shift the filter's transmission line precisely onto the hydrogen-alpha wavelength without introducing any off-axis aberrations. This ensures the entire solar disk remains uniform in brightness and detail, a critical factor for professional-level imaging and visual observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eRevealing the Chromosphere with the Internal Double-Stack\u003c\/h3\u003e\n\u003cp\u003eThis Flagship Kit includes the internal Large Format Pressure-Tuned (LFPT) double-stack etalon, the key to unlocking the highest-contrast solar views. This second etalon narrows the system's final bandpass to less than 0.28Å, significantly darkening the solar photosphere and causing the delicate, fibrous details of the chromosphere to leap out. With the double-stack engaged, solar active regions, filaments, and plages are rendered with a three-dimensional quality that single-stack systems cannot replicate.\u003c\/p\u003e\n\u003cp\u003eAt this bandpass, the Sun transforms. A target like Active Region 3664, even at 100x magnification, reveals not just the umbra of its sunspots but the complex, swirling super-penumbral fibrils that trace the magnetic field lines around them. Prominences on the limb, often seen as simple bright structures, resolve into intricate, multi-layered hedgerows of flowing plasma, with their motion and evolution visible over the course of an observing session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe B1800 Blocking Filter for Full-Disc Imaging\u003c\/h3\u003e\n\u003cp\u003eThe included B1800 blocking filter features a large 18mm aperture, providing a fully illuminated field for imaging the entire solar disk with most standard astronomy cameras. A smaller blocking filter can vignette the image, darkening the edges of the Sun in your final picture. The B1800 ensures that from edge to edge, your sensor receives an even field of light, critical for creating seamless, professional-quality solar mosaics and full-disc captures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePrecision Focus with the Rack \u0026amp; Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eA high-resolution optical system requires an equally precise focuser. The LS130MT employs a robust dual-speed 1:10 rack and pinion focuser that provides zero image shift and can handle the weight of heavy cameras, filter wheels, and eyepiece configurations without slipping. The fine-focus knob allows for the tiny, critical adjustments needed to snap the faintest solar features into perfect view, a task that is often impossible with less stable focuser designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eModular Telescope (MT) for Day and Night Versatility\u003c\/h3\u003e\n\u003cp\u003eThe \"MT\" designation signifies this telescope's modular capability. With simple tools, you can remove the hydrogen-alpha module and convert the LS130MT into a world-class nighttime refractor. This versatility makes it an exceptional value, providing two observatory-grade instruments in one package. Its only real limitation is its size and weight; this is an instrument that requires a substantial equatorial mount (like an EQ6-R or larger) to perform at its best, making it less suited for quick \"grab-and-go\" sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eChoosing Your Lunt MT Series Telescope\u003c\/h3\u003e\n\u003cp\u003eLunt's MT series offers a clear progression in aperture, with each step providing a significant increase in resolving power. The choice depends on your observing goals, mount capacity, and seeing conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS80MT vs. LS130MT\u003c\/strong\u003e: The LS80MT is a more portable, forgiving instrument that performs well under average seeing conditions and on lighter mounts. The LS130MT is a significant step up in both resolution and weight. It will resolve finer detail on solar granulation and in the structure of prominences, but requires excellent atmospheric seeing and a heavier-duty mount to deliver that performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS100MT vs. LS130MT\u003c\/strong\u003e: The LS100MT is often considered the sweet spot for many observers, offering a substantial increase in resolution over the 80mm while remaining manageable on mid-tier mounts. The LS130MT is the choice for the dedicated solar imager or observer who has the permanent or semi-permanent setup to support its size and wants the highest possible resolution when conditions permit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"double-stacking\" do to the solar view?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDouble-stacking adds a second etalon filter, which narrows the bandpass from around 0.45Å to less than 0.28Å. This enhancement significantly increases the contrast of surface details like filaments, plages, and active region structure, making them appear more three-dimensional against a darker solar disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the LS130MT difficult to convert for nighttime use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe conversion is straightforward and can be done in a few minutes with basic tools. You simply unthread the hydrogen-alpha assembly from the main tube. This modularity allows you to use the 130mm ED triplet objective as a high-performance nighttime telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Lunt LS130MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDue to its weight and length (approx. 24 lbs), you will need a robust equatorial mount with a payload capacity of at least 40-45 lbs for stable visual use and imaging. Mounts in the class of a Sky-Watcher EQ6-R Pro or iOptron CEM40 are recommended as a minimum.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is pressure tuning better than tilt tuning?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePressure tuning adjusts the etalon's bandpass without tilting it, which prevents the introduction of optical artifacts and ensures a uniform image across the entire field of view. This \"Doppler True Tuning\" is essential for high-resolution imaging and provides a more consistent, higher-fidelity view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need the B1800 blocking filter, or is a smaller one okay?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor imaging the full solar disk with most astronomy cameras, the B1800 (18mm) is highly recommended to avoid vignetting, which is the darkening of the image toward the edges. For visual-only use, a smaller blocking filter can be sufficient, but the B1800 provides the most versatile, uncompromised performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the LS130MT worth the upgrade from an LS100MT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe upgrade is significant if you are primarily an imager or visual observer working under good seeing conditions. The 130mm aperture provides a 69% increase in light-gathering power and a noticeable improvement in resolution on fine details like spicules and granulation. However, it requires a more substantial mount and is more sensitive to atmospheric turbulence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Aperture\u003c\/td\u003e\n\u003ctd\u003e130mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective\u003c\/td\u003e\n\u003ctd\u003eED Triplet, Air-Spaced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e910mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.45Å (Single Etalon), \u0026lt;0.28Å (Double-Stack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eInternal Pressure Tune (Doppler True Tuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eB1800 in 2\" Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual Speed 1:10 Rack \u0026amp; Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003e33.5\" (H-alpha), 28.1\" (Nighttime)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e24.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLS130MT 130mm H-alpha Telescope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLFPT Internal Double-Stack Etalon\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eB1800 Blocking Filter in 2\" Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDual 1:10 Rack \u0026amp; Pinion Focuser\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 Pair\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSolar Handle with Red Dot Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e12\" D-Style Dovetail Plate\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt Zoom Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLunt Flat-Field Eyepiece Set\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (8, 12, 16, 19, 27mm)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Lunt-LS130MT-Solar-Telescope-Manual.pdf?v=1777432309\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/lunt-solar-system-warranty\" rel=\"noopener\" target=\"_blank\"\u003eLunt Solar Systems 5-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":51230515560733,"sku":"LSS-LS130MT-Flagship","price":13993.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/LuntLS130MTSolarTelescopeFlagshipKit.jpg?v=1777668728"},{"product_id":"daystar-sol-60mm-dedicated-solar-telescope","title":"Daystar Sol 60mm Dedicated Solar Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e60mm Aperture Dedicated Hydrogen-Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003e930mm Effective Focal Length (f\/15.5)\u003c\/li\u003e\n\u003cli\u003eElectronic PID-Controlled Thermal Tuning, ±0.5Å Range in 0.1Å Steps\u003c\/li\u003e\n\u003cli\u003eFully Integrated 4.3x Telecentric Barlow Optimized for H-Alpha\u003c\/li\u003e\n\u003cli\u003eMade in USA at DayStar's Vertically Integrated Facility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eDaystar Sol 60mm Dedicated Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Sol 60mm Dedicated Solar Telescope is a no-compromises, integrated Hydrogen-Alpha solar telescope built entirely around its internal etalon filter, so there is no separate front filter to fit, align, or forget. It reveals prominences, solar flares, active regions, chromosphere detail, and spicules in red H-alpha light, with the Sun's appearance changing from one observing session to the next.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e60mm Aperture, 930mm Effective Focal Length\u003c\/h3\u003e\n\u003cp\u003eDayStar's advanced CNC machining produced a compact, lightweight 60mm aperture narrowband instrument with an effective focal length of 930mm at f\/15.5, thanks to a fully integrated 4.3x telecentric Barlow optimized for Hydrogen-Alpha. The telecentric optical design gives a full-disk field of view for visual use, and the integrated carry handle doubles as a solar finder for quick, safe alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eElectronic PID-Controlled Tuning\u003c\/h3\u003e\n\u003cp\u003eAn electronically PID-controlled thermal tuning system holds the etalon on-band and lets you shift the passband manually across a ±0.5Å range in 0.1Å steps, useful for studying different atmospheric layers and for tuning across the solar disk to the limb. After power-up or a wing shift the system settles in roughly 5-6 minutes. The integrated blocking filter is 13mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDayStar's New 12:1 Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eA helical rack-and-pinion focus mechanism with a 12:1 dual-speed reduction gives smooth, precise focusing with a locking brake and stainless-steel reduction components for durability. Focuser shaft sizes of 6mm coarse and 5\/32\" (4mm) fine, plus three female M4 mounting holes, make it compatible with most third-party focus motors for remote-controlled imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eReady to Observe, Ready to Image\u003c\/h3\u003e\n\u003cp\u003eThe Daystar Sol 60mm Dedicated Solar Telescope ships with mounting rings, a Vixen-compatible dovetail with a 1\/4-20 tap for a camera tripod, front and rear covers, a Flat Cap for imaging, an AC power supply with US\/UK\/Euro\/Australian plugs, a USB power cable, a 1.25\" eyepiece adapter, and a durable hard case. It is compatible with the entire ecosystem of DayStar Quark accessories, including 2\" eyepiece adapters, imaging tilt adapters, focal reducers, and battery packs. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the Daystar Sol 60mm Dedicated Solar Telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnce powered on and tuned, the telescope shows the Sun's chromosphere in Hydrogen-Alpha light: prominences arcing off the limb, filaments and plages across the disk, active regions, and spicules. Because it observes the chromosphere rather than the photosphere, the view changes noticeably from one session to the next.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to add a separate solar filter to use this telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. Unlike a front-mounted filter on a standard refractor, the 60mm Sol is a fully integrated dedicated solar telescope -- the etalon and blocking filter are built into the optical path, so you only need to attach an eyepiece or an imaging camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the tuning system work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn electronic PID-controlled thermal tuning system keeps the etalon locked on-band, with a manual ±0.5Å adjustment range in 0.1Å steps for shifting the passband between the disk and the limb. Allow roughly 5-6 minutes for the system to settle after power-up or after changing the wing shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my existing eyepieces and cameras with the Daystar Sol 60mm Dedicated Solar Telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The telescope terminates in a standard focus drawtube with the included 1.25\" eyepiece adapter, and it is compatible with the wider ecosystem of DayStar Quark accessories -- 2\" eyepiece adapters, imaging tilt adapters, and focal reducers -- for both visual use and imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power does the telescope require?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe tuning electronics run on 5V USB power at 1.5A through a micro-B connector; power must be supplied for the telescope to operate. A 90-240VAC power adapter is included, with US, UK, Euro, and Australian plug adapters, so it can run from wall power or a portable USB battery pack in the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the Daystar Sol 60mm Dedicated Solar Telescope different from DayStar's Quark or Scout models?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark line turns a customer-supplied refractor into an H-alpha instrument, and the Scout series is DayStar's entry-level dedicated scope. The Sol series sits above Scout as a purpose-built, no-compromises dedicated solar telescope, with the 930mm effective focal length and integrated 4.3x telecentric Barlow matched specifically to the 60mm aperture for maximum brightness and contrast without any separate filter to align.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eDedicated Hydrogen-Alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e60mm (2.36\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Focal Length\u003c\/td\u003e\n\u003ctd\u003e930mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e6562.8 Å (656.28 nm), Hydrogen-Alpha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e0.5Å FWHM or narrower (Chromosphere, still shows prominences)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eElectronic PID-controlled thermal tuning, manual ±0.5Å range in 0.1Å steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSettling Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 5-6 minutes after power-up or a wing shift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarlow\u003c\/td\u003e\n\u003ctd\u003eFully integrated 4.3x telecentric Barlow optimized for Hydrogen-Alpha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eIntegrated, 13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e12:1 dual-speed helical rack \u0026amp; pinion with locking brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail\u003c\/td\u003e\n\u003ctd\u003eVixen-compatible with 1\/4-20 tapped hole for a camera tripod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Required\u003c\/td\u003e\n\u003ctd\u003eUSB 5V, 1.5A, micro-B connector (required for operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Included\u003c\/td\u003e\n\u003ctd\u003e90-240VAC adapter with US, UK, Euro \u0026amp; Australian plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e40-100°F ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings \u0026amp; Dovetail\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCarry Handle with Integrated Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFront and Rear Covers\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFlat Cap for Imaging\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAC Power Supply with US, UK, Euro \u0026amp; Australian Plugs\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB Power Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Eyepiece Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_Sol_60_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Default Title","offer_id":52935172030749,"sku":"DAY-SOL60","price":2793.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar-Sol-60mm-H-alpha-Telescope.jpg?v=1789524394"},{"product_id":"daystar-sol-80mm-dedicated-solar-telescope","title":"Daystar Sol 80mm Dedicated Solar Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e80mm Aperture Dedicated Hydrogen-Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003e1400mm Effective Focal Length (f\/17.5)\u003c\/li\u003e\n\u003cli\u003eElectronic PID-Controlled Thermal Tuning, ±0.5Å Range in 0.1Å Steps\u003c\/li\u003e\n\u003cli\u003eFully Integrated 4.3x Telecentric Barlow Optimized for H-Alpha\u003c\/li\u003e\n\u003cli\u003eMade in USA at DayStar's Vertically Integrated Facility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eDaystar Sol 80mm Dedicated Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Sol 80mm Dedicated Solar Telescope is a no-compromises, integrated Hydrogen-Alpha solar telescope built entirely around its internal etalon filter, so there is no separate front filter to fit, align, or forget. It reveals prominences, solar flares, active regions, chromosphere detail, and spicules in red H-alpha light, with the Sun's appearance changing from one observing session to the next.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e80mm Aperture, 1400mm Effective Focal Length\u003c\/h3\u003e\n\u003cp\u003eDayStar's advanced CNC machining produced a compact, lightweight 80mm aperture narrowband instrument with an effective focal length of 1400mm at f\/17.5, thanks to a fully integrated 4.3x telecentric Barlow optimized for Hydrogen-Alpha. The telecentric optical design gives a full-disk field of view for visual use, and the integrated carry handle doubles as a solar finder for quick, safe alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eElectronic PID-Controlled Tuning\u003c\/h3\u003e\n\u003cp\u003eAn electronically PID-controlled thermal tuning system holds the etalon on-band and lets you shift the passband manually across a ±0.5Å range in 0.1Å steps, useful for studying different atmospheric layers and for tuning across the solar disk to the limb. After power-up or a wing shift the system settles in roughly 5-6 minutes. The integrated blocking filter is 13mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDayStar's New 12:1 Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eA helical rack-and-pinion focus mechanism with a 12:1 dual-speed reduction gives smooth, precise focusing with a locking brake and stainless-steel reduction components for durability. Focuser shaft sizes of 6mm coarse and 5\/32\" (4mm) fine, plus three female M4 mounting holes, make it compatible with most third-party focus motors for remote-controlled imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eReady to Observe, Ready to Image\u003c\/h3\u003e\n\u003cp\u003eThe Daystar Sol 80mm Dedicated Solar Telescope ships with mounting rings, a Vixen-compatible dovetail with a 1\/4-20 tap for a camera tripod, front and rear covers, a Flat Cap for imaging, an AC power supply with US\/UK\/Euro\/Australian plugs, a USB power cable, a 1.25\" eyepiece adapter, and a durable hard case. It is compatible with the entire ecosystem of DayStar Quark accessories, including 2\" eyepiece adapters, imaging tilt adapters, focal reducers, and battery packs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the Daystar Sol 80mm Dedicated Solar Telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnce powered on and tuned, the telescope shows the Sun's chromosphere in Hydrogen-Alpha light: prominences arcing off the limb, filaments and plages across the disk, active regions, and spicules. Because it observes the chromosphere rather than the photosphere, the view changes noticeably from one session to the next.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to add a separate solar filter to use this telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. Unlike a front-mounted filter on a standard refractor, the 80mm Sol is a fully integrated dedicated solar telescope -- the etalon and blocking filter are built into the optical path, so you only need to attach an eyepiece or an imaging camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the tuning system work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn electronic PID-controlled thermal tuning system keeps the etalon locked on-band, with a manual ±0.5Å adjustment range in 0.1Å steps for shifting the passband between the disk and the limb. Allow roughly 5-6 minutes for the system to settle after power-up or after changing the wing shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my existing eyepieces and cameras with the Daystar Sol 80mm Dedicated Solar Telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The telescope terminates in a standard focus drawtube with the included 1.25\" eyepiece adapter, and it is compatible with the wider ecosystem of DayStar Quark accessories -- 2\" eyepiece adapters, imaging tilt adapters, and focal reducers -- for both visual use and imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power does the telescope require?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe tuning electronics run on 5V USB power at 1.5A through a micro-B connector; power must be supplied for the telescope to operate. A 90-240VAC power adapter is included, with US, UK, Euro, and Australian plug adapters, so it can run from wall power or a portable USB battery pack in the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the Daystar Sol 80mm Dedicated Solar Telescope different from DayStar's Quark or Scout models?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark line turns a customer-supplied refractor into an H-alpha instrument, and the Scout series is DayStar's entry-level dedicated scope. The Sol series sits above Scout as a purpose-built, no-compromises dedicated solar telescope, with the 1400mm effective focal length and integrated 4.3x telecentric Barlow matched specifically to the 80mm aperture for maximum brightness and contrast without any separate filter to align.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eDedicated Hydrogen-Alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e80mm (3.15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Focal Length\u003c\/td\u003e\n\u003ctd\u003e1400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/17.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e6562.8 Å (656.28 nm), Hydrogen-Alpha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e0.5Å FWHM or narrower (Chromosphere, still shows prominences)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eElectronic PID-controlled thermal tuning, manual ±0.5Å range in 0.1Å steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSettling Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 5-6 minutes after power-up or a wing shift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarlow\u003c\/td\u003e\n\u003ctd\u003eFully integrated 4.3x telecentric Barlow optimized for Hydrogen-Alpha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eIntegrated, 13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e12:1 dual-speed helical rack \u0026amp; pinion with locking brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail\u003c\/td\u003e\n\u003ctd\u003eVixen-compatible with 1\/4-20 tapped hole for a camera tripod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Required\u003c\/td\u003e\n\u003ctd\u003eUSB 5V, 1.5A, micro-B connector (required for operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Included\u003c\/td\u003e\n\u003ctd\u003e90-240VAC adapter with US, UK, Euro \u0026amp; Australian plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e40-100°F ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings \u0026amp; Dovetail\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCarry Handle with Integrated Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFront and Rear Covers\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFlat Cap for Imaging\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAC Power Supply with US, UK, Euro \u0026amp; Australian Plugs\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB Power Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Eyepiece Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_Sol_80_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Default Title","offer_id":52935172096285,"sku":"DAY-SOL80","price":4193.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar-Sol-80mm-H-alpha-Telescope.jpg?v=1789524394"},{"product_id":"daystar-sol-100mm-dedicated-solar-telescope","title":"Daystar Sol 100mm Dedicated Solar Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e100mm Aperture Dedicated Hydrogen-Alpha Solar Telescope\u003c\/li\u003e\n\u003cli\u003e1690mm Effective Focal Length (f\/16.9)\u003c\/li\u003e\n\u003cli\u003eElectronic PID-Controlled Thermal Tuning, ±0.5Å Range in 0.1Å Steps\u003c\/li\u003e\n\u003cli\u003eFully Integrated 4.3x Telecentric Barlow Optimized for H-Alpha\u003c\/li\u003e\n\u003cli\u003eMade in USA at DayStar's Vertically Integrated Facility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eDaystar Sol 100mm Dedicated Solar Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Sol 100mm Dedicated Solar Telescope is a no-compromises, integrated Hydrogen-Alpha solar telescope built entirely around its internal etalon filter, so there is no separate front filter to fit, align, or forget. It reveals prominences, solar flares, active regions, chromosphere detail, and spicules in red H-alpha light, with the Sun's appearance changing from one observing session to the next.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e100mm Aperture, 1690mm Effective Focal Length\u003c\/h3\u003e\n\u003cp\u003eDayStar's advanced CNC machining produced a compact, lightweight 100mm aperture narrowband instrument with an effective focal length of 1690mm at f\/16.9, thanks to a fully integrated 4.3x telecentric Barlow optimized for Hydrogen-Alpha. The telecentric optical design gives a full-disk field of view for visual use, and the integrated carry handle doubles as a solar finder for quick, safe alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eElectronic PID-Controlled Tuning\u003c\/h3\u003e\n\u003cp\u003eAn electronically PID-controlled thermal tuning system holds the etalon on-band and lets you shift the passband manually across a ±0.5Å range in 0.1Å steps, useful for studying different atmospheric layers and for tuning across the solar disk to the limb. After power-up or a wing shift the system settles in roughly 5-6 minutes. The integrated blocking filter is 18mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDayStar's New 12:1 Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eA helical rack-and-pinion focus mechanism with a 12:1 dual-speed reduction gives smooth, precise focusing with a locking brake and stainless-steel reduction components for durability. Focuser shaft sizes of 6mm coarse and 5\/32\" (4mm) fine, plus three female M4 mounting holes, make it compatible with most third-party focus motors for remote-controlled imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eReady to Observe, Ready to Image\u003c\/h3\u003e\n\u003cp\u003eThe Daystar Sol 100mm Dedicated Solar Telescope ships with mounting rings, a Vixen-compatible dovetail with a 1\/4-20 tap for a camera tripod, front and rear covers, a Flat Cap for imaging, an AC power supply with US\/UK\/Euro\/Australian plugs, a USB power cable, a 1.25\" eyepiece adapter, and a durable hard case. It is compatible with the entire ecosystem of DayStar Quark accessories, including 2\" eyepiece adapters, imaging tilt adapters, focal reducers, and battery packs. With rings it weighs about 8 lbs (3.6kg) and, at roughly 19 inches long, fits into an airline carry-on bag.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the Daystar Sol 100mm Dedicated Solar Telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnce powered on and tuned, the telescope shows the Sun's chromosphere in Hydrogen-Alpha light: prominences arcing off the limb, filaments and plages across the disk, active regions, and spicules. Because it observes the chromosphere rather than the photosphere, the view changes noticeably from one session to the next.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to add a separate solar filter to use this telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. Unlike a front-mounted filter on a standard refractor, the 100mm Sol is a fully integrated dedicated solar telescope -- the etalon and blocking filter are built into the optical path, so you only need to attach an eyepiece or an imaging camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the tuning system work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn electronic PID-controlled thermal tuning system keeps the etalon locked on-band, with a manual ±0.5Å adjustment range in 0.1Å steps for shifting the passband between the disk and the limb. Allow roughly 5-6 minutes for the system to settle after power-up or after changing the wing shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my existing eyepieces and cameras with the Daystar Sol 100mm Dedicated Solar Telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The telescope terminates in a standard focus drawtube with the included 1.25\" eyepiece adapter, and it is compatible with the wider ecosystem of DayStar Quark accessories -- 2\" eyepiece adapters, imaging tilt adapters, and focal reducers -- for both visual use and imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power does the telescope require?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe tuning electronics run on 5V USB power at 1.5A through a micro-B connector; power must be supplied for the telescope to operate. A 90-240VAC power adapter is included, with US, UK, Euro, and Australian plug adapters, so it can run from wall power or a portable USB battery pack in the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the Daystar Sol 100mm Dedicated Solar Telescope different from DayStar's Quark or Scout models?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark line turns a customer-supplied refractor into an H-alpha instrument, and the Scout series is DayStar's entry-level dedicated scope. The Sol series sits above Scout as a purpose-built, no-compromises dedicated solar telescope, with the 1690mm effective focal length and integrated 4.3x telecentric Barlow matched specifically to the 100mm aperture for maximum brightness and contrast without any separate filter to align.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eDedicated Hydrogen-Alpha Solar Telescope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e100mm (3.94\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Focal Length\u003c\/td\u003e\n\u003ctd\u003e1690mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/16.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e6562.8 Å (656.28 nm), Hydrogen-Alpha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e0.5Å FWHM or narrower (Chromosphere, still shows prominences)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eElectronic PID-controlled thermal tuning, manual ±0.5Å range in 0.1Å steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSettling Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 5-6 minutes after power-up or a wing shift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarlow\u003c\/td\u003e\n\u003ctd\u003eFully integrated 4.3x telecentric Barlow optimized for Hydrogen-Alpha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eIntegrated, 18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e12:1 dual-speed helical rack \u0026amp; pinion with locking brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail\u003c\/td\u003e\n\u003ctd\u003eVixen-compatible with 1\/4-20 tapped hole for a camera tripod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Required\u003c\/td\u003e\n\u003ctd\u003eUSB 5V, 1.5A, micro-B connector (required for operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Included\u003c\/td\u003e\n\u003ctd\u003e90-240VAC adapter with US, UK, Euro \u0026amp; Australian plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e40-100°F ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMounting Rings \u0026amp; Dovetail\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCarry Handle with Integrated Solar Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFront and Rear Covers\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFlat Cap for Imaging\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAC Power Supply with US, UK, Euro \u0026amp; Australian Plugs\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB Power Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Eyepiece Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHard Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar_Filters_Sol_100_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/daystar-filters-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eDaystar Filters Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daystar Filters","offers":[{"title":"Default Title","offer_id":52935172129053,"sku":"DAY-SOL100","price":6993.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar-Sol-100mm-H-alpha-Telescope.jpg?v=1789524394"}],"url":"https:\/\/davidastro.com\/collections\/solar-telescopes.oembed?page=2","provider":"David Astro","version":"1.0","type":"link"}