{"title":"Daystar Quark H-alpha Solar Eyepiece Filters","description":"\u003cp\u003eThe Daystar Quark is a compact H-alpha filter that fits in a telescope's focuser like an eyepiece accessory, turning a suitable refractor into a solar telescope with the use of a front energy rejection filter where needed. The Chromosphere model favours surface detail, while the Prominence model shows prominences on the limb.\u003c\/p\u003e\u003cp\u003eThe line also includes Combo and Gemini switchable versions, Calcium and Sodium Quarks, the Camera Quark, a Quark for Questar, power supplies, battery packs and T, C and Canon adapters.\u003c\/p\u003e","products":[{"product_id":"daystar-quark-chromosphere-solar-filter","title":"Daystar Quark Chromosphere Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAll-In-One Hydrogen-Alpha Solar Filter System\u003c\/li\u003e\n\u003cli\u003eDesigned for Chromosphere (Solar Surface) Detail\u003c\/li\u003e\n\u003cli\u003eIntegrated, H-Alpha Optimized Telecentric Barlow\u003c\/li\u003e\n\u003cli\u003eStandard Eyepiece-Sized Form Factor\u003c\/li\u003e\n\u003cli\u003eFor Use with Refractor Telescopes\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 Quark Chromosphere Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark Chromosphere Solar Filter revolutionizes Hydrogen-Alpha observing by integrating a complete filter system into a single eyepiece-sized device. This all-in-one design combines a telecentric barlow, adapters, and a dedicated H-alpha filter, eliminating complex setups for use on a range of refractor telescopes. Optimized specifically for the Hydrogen-Alpha wavelength, the Quark Chromosphere is engineered to reveal high-contrast surface detail on the Sun, making dedicated solar observation more accessible than ever.\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\u003eHydrogen-Alpha Observing in an Eyepiece Form Factor\u003c\/h3\u003e\n\u003cp\u003eDaystar's Quark condenses an entire Hydrogen-Alpha filter assembly into a compact unit that drops into your diagonal just like an eyepiece. This fully integrated design eliminates the cost and complexity of sourcing separate barlows, adapters, and filter cells, streamlining your setup so you can start observing faster. Its lightweight, compact body reduces mechanical stress on your focuser and makes it an ideal companion for portable solar setups.\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\u003eIntegrated Telecentric Optics for a Flat, Evenly Illuminated Field\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the Quark is a custom telecentric barlow lens, fully optimized in its coatings and optical design for the Hydrogen-Alpha wavelength. This specialized component ensures the light rays passing through the Fabry-Perot etalon are parallel, delivering superior field flatness from edge to edge. To further improve views, internal baffles are added to increase contrast, and all coatings are optimized to maximize transmission at the critical 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\u003eTuned for High-Contrast Chromosphere Detail\u003c\/h3\u003e\n\u003cp\u003eThis Quark model is specifically qualified to reveal the Sun's chromosphere, the turbulent layer of plasma just above the visible surface. It is tuned to maximize contrast on features like plages, filaments, and the intricate structure within and around sunspot groups. While it can still show prominences, its strength lies in making the complex, ever-changing solar disk stand out with sharp definition.\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\u003eQuark Chromosphere vs. Prominence: Choosing Your Target\u003c\/h3\u003e\n\u003cp\u003eDaystar offers two versions of the Quark so observers can choose a filter based on their primary observing goals rather than budget.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProminence Model Advantage:\u003c\/strong\u003e The Prominence model is tuned to favor the faint, delicate structures erupting from the Sun's limb. It excels at capturing the detail in solar flares and large prominence loops against the blackness of space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromosphere Model Advantage:\u003c\/strong\u003e This Chromosphere model provides higher contrast on the bright solar disk itself. If your primary interest is monitoring active regions, tracking filaments as they snake across the surface, or resolving granulation, this is the superior choice.\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 telescope works best with the Daystar Quark Chromosphere?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark Chromosphere is designed for use with \u003cstrong\u003erefractor telescopes\u003c\/strong\u003e with focal ratios from f\/4 to f\/9. It is not suitable for use with Schmidt-Cassegrain or other reflector-style telescopes without significant, specialized adaptations and energy rejection components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need other filters to use the Quark Chromosphere safely?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eYes, potentially.\u003c\/strong\u003e For safety and best thermal stability, refractors with front apertures larger than 80mm require a front-mounted \u003cstrong\u003eEnergy Rejection Filter (ERF)\u003c\/strong\u003e. For refractors 80mm or smaller, no front ERF is typically needed. Always confirm the specific requirements for your telescope before observing the Sun.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I see solar flares with the Quark Chromosphere model?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, you can see prominences and flares with the Quark Chromosphere. However, it is specifically tuned to enhance contrast on the solar surface (chromosphere). For observers whose primary interest is capturing the faintest details in prominences against the dark sky, the \u003cstrong\u003eQuark Prominence model\u003c\/strong\u003e is the recommended choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the Daystar Quark Chromosphere powered?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark requires power to heat its internal etalon to the precise operating temperature. It is powered via a micro-USB port and can be run from a wall outlet or a small, portable USB battery pack for field use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Quark Chromosphere for imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The Quark is an excellent tool for solar imaging. Simply attach a planetary or monochrome astronomy camera in place of an eyepiece to capture detailed images of the solar surface. Its flat-field telecentric optics provide sharp results across the camera sensor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between a filament and a prominence seen with the Quark Chromosphere?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThey are the same physical structure viewed from different angles. When you see a cloud of gas erupting from the edge (limb) of the Sun, it's called a \u003cstrong\u003eprominence\u003c\/strong\u003e because it's silhouetted against dark space. When that same structure rotates onto the bright solar disk, it appears as a dark, snake-like line called a \u003cstrong\u003efilament\u003c\/strong\u003e. The Quark Chromosphere is optimized to show high contrast on these filaments.\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_Quark_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":44967454834973,"sku":"DAY-DSZ4C","price":1799.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quark-Solar-Filter-1__60627.1597187453.1280.1280.jpg?v=1684342393"},{"product_id":"daystar-quark-prominence-solar-filter","title":"Daystar Quark Prominence Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHydrogen-Alpha Solar Filter (Prominence Model)\u003c\/li\u003e\n\u003cli\u003eIntegrated 4.2X Telecentric Barlow\u003c\/li\u003e\n\u003cli\u003eOptimized for F\/4 to F\/9 Refractors\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" Eyepiece Barrel\u003c\/li\u003e\n\u003cli\u003eUSB Powered (5V, 1.5A)\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 Quark Prominence Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark Prominence Solar Filter revolutionizes solar observing by integrating a hydrogen-alpha etalon and a 4.2X telecentric barlow into a single 1.25\" eyepiece-sized housing. Optimized for the 656nm wavelength, this all-in-one unit is designed for refractors from F\/4 to F\/9 and is powered by a standard 5V 1.5A USB input, eliminating complex setups.\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 First All-in-One Solar \"Eyepiece\"\u003c\/h3\u003e\n\u003cp\u003eDaystar's Quark simplifies hydrogen-alpha astronomy by combining a telecentric barlow, adapters, and a Fabry-Perot etalon into one compact device. This integrated design eliminates the cost and complexity of assembling separate components, allowing you to simply insert the Quark into your diagonal, add an eyepiece, and begin observing. Its lightweight, eyepiece-sized form factor reduces weight on your focuser and makes it an ideal companion for portable solar setups.\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\u003eIntegrated 4.2X Telecentric Barlow for Flat-Field Views\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the Quark is a custom 4.2X telecentric barlow, fully optimized with coatings and an optical design specifically for the 656nm H-alpha wavelength. Unlike a standard barlow, this telecentric lens ensures the light rays are parallel when they pass through the etalon, delivering superior field flatness and sharpness from edge to edge. Internal baffles are also incorporated to maximize contrast, revealing fine structural detail in solar phenomena.\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\u003eOptimized for Prominences at the 656nm H-Alpha Wavelength\u003c\/h3\u003e\n\u003cp\u003eThis Quark model is specifically qualified to show prominences with maximum contrast and brightness. Instead of targeting a specific FWHM bandpass, it is tuned to make the faint, dynamic structures at the Sun's limb stand out against the blackness of space. This makes it the ideal choice for observing dramatic solar flares, eruptive loops, and detached filaments that extend far into the corona.\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\u003eUSB-Powered for F\/4 to F\/9 Refractors\u003c\/h3\u003e\n\u003cp\u003eEngineered for versatility, the Quark is designed for use with refractors with a focal ratio between F\/4 and F\/9. The internal heating system, which brings the etalon to its precise operating temperature, runs on a common 5V 1.5A USB power source. You can power it from the included wall adapter or any standard portable USB battery pack for all-day observing sessions in the field. The 1.25\" output includes a non-marring brass compression ring to securely hold your 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\u003eQuark Prominence vs. Chromosphere: Which Model Is Right for You?\u003c\/h3\u003e\n\u003cp\u003eDaystar offers two Quark models tuned for different observing goals. While both operate at the same H-alpha wavelength, their bandpass characteristics are different.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuark Chromosphere:\u003c\/strong\u003e This model has a narrower bandpass, which increases contrast on the solar disk itself. It is the superior choice for viewing surface details like plages, filaments, sunspot details, and granulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuark Prominence (This Model):\u003c\/strong\u003e This filter has a slightly wider bandpass. This design choice makes the fainter, extended structures of prominences at the solar limb appear brighter and more detailed, making it the definitive choice for observing eruptive solar activity.\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 telescope do I need for the Daystar Quark Prominence filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quark Prominence is designed specifically for \u003cstrong\u003erefracting telescopes with focal ratios from F\/4 to F\/9\u003c\/strong\u003e. It is not suitable for off-axis applications on Schmidt-Cassegrain or other reflector telescopes. For safe operation, an appropriate front-mounted Energy Rejection Filter (ERF) is required for any telescope with an aperture larger than 80mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Quark Prominence on my 80mm f\/6 refractor to see solar flares?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, an 80mm f\/6 refractor is an excellent match for the Quark Prominence. The Quark's internal 4.2X barlow will increase your telescope's effective focal length to 2016mm (480mm x 4.2), providing a large solar disk image perfect for resolving the delicate structures within solar flares and eruptive prominences.\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 Quark Prominence and Quark Chromosphere models?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe choice depends on your primary observing target.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eQuark Prominence\u003c\/strong\u003e (this model) is optimized for viewing activity at the edge of the Sun. Its bandpass makes faint flares, loops, and eruptions appear brighter.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003eQuark Chromosphere\u003c\/strong\u003e is optimized for surface detail on the solar disk. Its narrower bandpass provides higher contrast for features like filaments, plages, and sunspot structure.\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 Daystar Quark Prominence perform on a large prominence like the ones seen during recent solar maximum events?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis filter is precisely designed for those events. It excels at revealing the faint, extended, and intricate structures of large eruptive prominences. You will see these features with high contrast against the black background of space, allowing you to trace their full extent as they arch away from the solar limb.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I power the Daystar Quark Prominence in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark is powered by a standard \u003cstrong\u003eUSB 5V, 1.5A connection\u003c\/strong\u003e. You can use the included 90-240VAC wall adapter with international plugs or, for field use, any small, palm-sized USB power bank that meets the power requirement. This makes it easy to conduct observing sessions away from AC power sources.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need other filters with the Daystar Quark Prominence?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eYes, this is critical for safety.\u003c\/strong\u003e For any refractor with an aperture over 80mm, you \u003cstrong\u003emust\u003c\/strong\u003e use a full-aperture Energy Rejection Filter (ERF) mounted on the front of the telescope. For refractors 80mm and under, a front-mounted UV\/IR cut filter is strongly recommended to protect the Quark's internal components and improve contrast.\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_Quark_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":44967454900509,"sku":"DAY-DSZ4P","price":1799.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quark-Solar-Filter-1__22254.1597187418.1280.1280.jpg?v=1684342396"},{"product_id":"daystar-quark-gemini-chrom-prom-switchable-solar-filter","title":"Daystar Quark Gemini Chrom\/Prom Switchable Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Switchable H-alpha Etalons:\u003c\/strong\u003e Instantly select a ≤0.5Å bandpass for chromosphere detail or a ≥0.6Å bandpass for bright prominences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 4.3x Telecentric Barlow:\u003c\/strong\u003e Optimizes your telescope's light path for the 656nm wavelength, ensuring maximum contrast and sharpness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22mm Clear Aperture:\u003c\/strong\u003e Provides a generous field of view for observing and imaging the solar disk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant Slide-Action Switching:\u003c\/strong\u003e Change views without swapping eyepieces, filters, or losing focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Power System:\u003c\/strong\u003e Operates on 5VDC 2.0 Amp power and includes a 110-240VAC wall adapter with international plugs.\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 Quark Gemini Chrom\/Prom Switchable Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark Gemini Chrom\/Prom Switchable Solar Filter integrates two distinct Fabry-Perot etalons into a single unit, allowing instant switching between a narrow ≤0.5Å bandpass for high-contrast chromosphere detail and a wider ≥0.6Å bandpass for bright, expansive prominences. Its internal 4.3x telecentric barlow is optimized for the 656nm H-alpha wavelength, ensuring your telescope's light path is corrected for the filter's optics. With a 22mm clear aperture and a standard 1.25\" drawtube, the Gemini provides two specialized solar filters in one device, eliminating the need to swap hardware mid-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\u003eInstant Switching: 0.5Å Chromosphere \u0026amp; 0.6Å Prominence Views\u003c\/h3\u003e\n\u003cp\u003eThe core of the Gemini is its dual-etalon system, operated by a simple slider. Pushing the arm to one side engages the ≤0.5Å bandpass filter, which darkens the solar disk to reveal stunning surface details like filaments, spicules, and active region plage with maximum contrast. A slide to the other side engages the ≥0.6Å filter, which offers a brighter view and wider bandpass ideal for capturing faint, dynamic prominences and flares erupting from the solar limb. This instant switching requires no refocusing, allowing for immediate A\/B comparisons—a powerful tool for outreach and for adapting your view to changing 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\u003eIntegrated 4.3x Telecentric Barlow for 656nm Optimization\u003c\/h3\u003e\n\u003cp\u003eA Fabry-Perot etalon requires a highly parallel light beam to perform correctly. The Quark Gemini includes a built-in 4.3x telecentric barlow specifically designed and coated for the 656nm H-alpha wavelength. This crucial component ensures that light from your telescope's objective enters the etalon at the proper angle, regardless of your telescope's native focal ratio. This optimization is key to achieving a uniform, high-contrast image across the entire 22mm field of 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\u003e5VDC Power and 1.25\" Telescope Integration\u003c\/h3\u003e\n\u003cp\u003eTo maintain its precise bandpass, the Quark Gemini's etalons must be heated to a stable operating temperature. The unit requires a 5VDC, 2.0 Amp power source and includes a universal 110-240VAC wall adapter with international plugs for home use. For field observations, it can be powered by a common portable USB battery pack. The Gemini fits any standard 1.25\" focuser or diagonal, and optional T-thread, C-mount, and 2\" adapters are available for full compatibility with imagers and larger focusers.\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\u003eQuark Gemini vs. Single-Bandpass: Two Filters, Zero Swapping\u003c\/h3\u003e\n\u003cp\u003eWhile an observer could purchase separate Chromosphere and Prominence Quarks, the Gemini offers a decisive advantage in convenience and workflow. Owning two separate filters means physically swapping them, re-focusing, and potentially re-balancing the telescope with each change. The Gemini consolidates this into one accessory with one power cable, allowing you to see both views in seconds. This makes it the superior choice for public outreach, educational demonstrations, and for imagers who need to capture both surface and limb detail efficiently during a single session.\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 Daystar Quark Gemini's dual filter system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is the ability to \u003cstrong\u003einstantly switch between two different H-alpha bandpasses\u003c\/strong\u003e (≤0.5Å for the chromosphere and ≥0.6Å for prominences) without changing hardware. This eliminates the need for swapping filters, refocusing, or rebalancing your telescope, allowing for seamless comparison between high-contrast surface detail and brighter limb phenomena.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of telescope is best suited for the Quark Gemini?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark Gemini is ideal for \u003cstrong\u003erefracting telescopes\u003c\/strong\u003e, particularly those with focal ratios of F\/7 or longer. While it can be used with Schmidt-Cassegrain or Maksutov-Cassegrain telescopes, these designs require a full-aperture UV\/IR cut filter to be placed over the front of the telescope to prevent internal heat buildup and potential damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Quark Gemini improve views of a solar flare compared to a standard filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a dynamic event like a solar flare, you can instantly slide the Quark Gemini to the \u003cstrong\u003e≥0.6Å prominence setting\u003c\/strong\u003e. This wider, brighter bandpass is better at capturing the faint, extended structures of a flare as it erupts from the solar limb, making it appear more dramatic and detailed against the black background of space compared to a narrower, dimmer chromosphere filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to refocus when switching between the 0.5Å and 0.6Å bandpasses on the Quark Gemini?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. A key design feature of the Quark Gemini is that the two Fabry-Perot etalons are paired to be \u003cstrong\u003eparfocal\u003c\/strong\u003e. You can switch between the chromosphere and prominence views using the slider without any need to adjust your telescope's focuser.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I power the Daystar Quark Gemini from a field battery?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Quark Gemini requires a \u003cstrong\u003e5VDC, 2.0 Amp\u003c\/strong\u003e power source. It can be easily powered in the field using a common portable power bank or USB battery pack that meets this specification, connecting via a standard USB cable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Quark Gemini work with my 2-inch focuser and eyepieces?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark Gemini comes standard with a \u003cstrong\u003e1.25\" female drawtube\u003c\/strong\u003e for 1.25\" eyepieces and fits into a 1.25\" focuser. To use it with a 2-inch focuser or 2-inch eyepieces, you will need to purchase an optional 2-inch adapter, which is available separately.\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\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eDual, Switchable Fabry-Perot Etalon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003eHydrogen-alpha (656nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass 1 (Chromosphere)\u003c\/td\u003e\n\u003ctd\u003e≤0.5Å FWHM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass 2 (Prominence)\u003c\/td\u003e\n\u003ctd\u003e≥0.6Å FWHM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Mechanism\u003c\/td\u003e\n\u003ctd\u003eManual Slider, Parfocal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Barlow\u003c\/td\u003e\n\u003ctd\u003e4.3x Telecentric (fully multi-coated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClear Aperture\u003c\/td\u003e\n\u003ctd\u003e22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\" Female Drawtube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-Band Blocking\u003c\/td\u003e\n\u003ctd\u003eX-ray to 2 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003e5V DC, 2.0 Amp (10W) via USB\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\"\u003eQuark Gemini Chrom\/Prom Switchable Solar 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\"\u003e110-240VAC Wall Power 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\"\u003eInternational Plug Set\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\"\u003ePelican-Style Protective 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_Combo_Gemini_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":44967454998813,"sku":"DAY-DSZ4G","price":3633.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quark-Gemini-DSZ4G__39151.1650381642.1280.1280.jpg?v=1684342392"},{"product_id":"daystar-combo-quark-chromosphere-solar-filter","title":"Daystar Combo Quark Chromosphere Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHydrogen-Alpha Solar Filter for Chromosphere Viewing\u003c\/li\u003e\n\u003cli\u003eOptimized for Long Focal Ratio Telescopes (f\/15+)\u003c\/li\u003e\n\u003cli\u003eAll-in-One, Eyepiece-Sized Design\u003c\/li\u003e\n\u003cli\u003eLow-Power USB Operation\u003c\/li\u003e\n\u003cli\u003eRequires Off-Axis ERF for SCT\/Maks (Sold Separately)\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 Combo Quark Chromosphere Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Combo Quark Chromosphere Solar Filter is an all-in-one Hydrogen-Alpha \"eyepiece\" designed to reveal the Sun's dynamic surface. It converts long focal ratio telescopes like Schmidt-Cassegrains, Maksutovs, and refractors with focal ratios of f\/15 or longer into dedicated solar instruments. This model is specifically qualified to show chromosphere detail, bringing features like plages and filaments into high contrast at the 656nm wavelength using a simple 5v USB power source.\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\u003eHydrogen-Alpha Solar Observing for Long Focal Ratio Telescopes\u003c\/h3\u003e\n\u003cp\u003eThis Combo Quark is engineered specifically for telescopes with long focal ratios, from f\/15 to f\/30. This makes it a perfect match for most Schmidt-Cassegrain and Maksutov-Cassegrain telescopes, which natively operate at these focal ratios, as well as long refractors. The design leverages the native focal length of these instruments to achieve the correct telecentric beam for the internal Fabry-Perot etalon without additional optical 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\u003eAll-in-One Design: Simplified H-Alpha Viewing at 656nm\u003c\/h3\u003e\n\u003cp\u003eDaystar's all-in-one design integrates the adapters, snout, and hydrogen-alpha filter into a single, lightweight, eyepiece-sized unit. This eliminates the complexity and cost of assembling a separate filter system. The internal optics feature baffles to increase contrast and anti-reflection coatings optimized for the 656nm H-alpha wavelength, ensuring you see the highest-contrast view of the solar 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\u003eUSB Power and Critical Safety Requirements\u003c\/h3\u003e\n\u003cp\u003eThe Quark's internal etalon requires precise heating, which is managed by a low-draw system powered by a standard 5v USB connection. This allows you to power the filter all day from a small portable battery pack or the included wall adapter. For safe operation on an SCT or Maksutov, you must use a telescope-specific, off-axis Energy Rejection Filter (ERF). Using the Quark on these designs without an ERF will cause permanent damage to your telescope's secondary mirror.\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\u003eCombo Quark Chromosphere vs. Prominence: Choosing Your Target\u003c\/h3\u003e\n\u003cp\u003eDaystar offers two versions of the Combo Quark, qualified for different solar features. This Chromosphere model is the ideal choice if your primary interest is surface detail.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromosphere Model (This Product):\u003c\/strong\u003e Optimized for maximum contrast on features across the solar disk. You will see bright plages around sunspots, dark, snaking filaments, and the granular texture of the solar surface with exceptional clarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProminence Model:\u003c\/strong\u003e This variant is optimized for the slightly different tuning needed to see features on the limb of the Sun. It excels at showing faint, eruptive prominences against the blackness of space, though surface detail will appear softer.\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 Daystar Combo Quark Chromosphere and Prominence models?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eChromosphere model\u003c\/strong\u003e is tuned for the highest contrast on the Sun's surface, making it ideal for viewing filaments, plages, and sunspot details. The \u003cstrong\u003eProminence model\u003c\/strong\u003e is tuned to best show the fainter details on the solar limb, such as loops and eruptions 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\"\u003eWhy do I need an ERF with the Combo Quark for my SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn Energy Rejection Filter (ERF) is a critical safety component that must be placed at the front of your Schmidt-Cassegrain or Maksutov telescope. It reflects most of the Sun's heat and light before it enters the optical tube. Without an ERF, the concentrated energy would destroy your telescope's secondary mirror and potentially damage the Quark filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Combo Quark Chromosphere on my f\/7 refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this Combo Quark model is designed for telescopes with focal ratios of f\/15 or longer. Using it on a faster f\/7 refractor would require a 2x or greater Barlow lens to slow the light cone down to the required focal ratio for the filter to work correctly. For faster refractors, Daystar offers other Quark models designed for that purpose.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I power the Daystar Combo Quark Chromosphere in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter is powered via a standard USB port, requiring a 5v, 1.5amp source. You can use the included wall adapter or, for field use, a small, palm-sized USB battery pack. This low power consumption allows for a full day of observing from a typical portable power bank.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of solar details will the Combo Quark Chromosphere show on the Sun's surface?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis model is optimized for surface detail. On an active day, you can expect to see \u003cstrong\u003efilaments\u003c\/strong\u003e (dark, rope-like structures), \u003cstrong\u003eplages\u003c\/strong\u003e (bright regions often surrounding sunspots), and the fine, mottled pattern of the \u003cstrong\u003esolar granulation\u003c\/strong\u003e. It provides a dynamic, high-contrast view of the Sun's chromosphere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Daystar Combo Quark Chromosphere have a specific FWHM bandpass rating?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, Daystar does not assign a specific Full-Width Half-Maximum (FWHM) bandpass to the Quark models. Instead, each unit is qualified based on its intended visual target—either prominence or chromosphere detail—to ensure it is optimized for that specific observing goal.\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAll-in-One Hydrogen-Alpha Solar Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Wavelength\u003c\/td\u003e\n\u003ctd\u003e656nm (Hydrogen-Alpha)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Observing Target\u003c\/td\u003e\n\u003ctd\u003eSolar Chromosphere (Surface Detail)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Compatibility\u003c\/td\u003e\n\u003ctd\u003ef\/15 to f\/30 SCTs, Maksutovs, and Refractors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eUSB 5v 1.5amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Power Adapter\u003c\/td\u003e\n\u003ctd\u003e90-240VAC with international plug adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece Connection\u003c\/td\u003e\n\u003ctd\u003eBrass compression ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERF Requirement\u003c\/td\u003e\n\u003ctd\u003eRequired for SCT\/Maks (Off-axis type, sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eDaystar Filters Fabry Perot etalon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eIncluded Twist-Case\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_Quark_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":44967455064349,"sku":"DAY-DSZCC","price":1813.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Combo-Quark-1__87747.1597187047.1280.1280.jpg?v=1684342395"},{"product_id":"daystar-combo-quark-prominence-solar-filter","title":"Daystar Combo Quark Prominence Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eOptimized for Solar Prominences\u003c\/li\u003e\n\u003cli\u003eDesigned for Telescopes from f\/15 to f\/30\u003c\/li\u003e\n\u003cli\u003eAll-In-One, Eyepiece-Style Design\u003c\/li\u003e\n\u003cli\u003ePowered by Standard 5V USB\u003c\/li\u003e\n\u003cli\u003eRequires Off-Axis ERF for SCT\/Maksutov Telescopes (Sold Separately)\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 Combo Quark Prominence Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Combo Quark Prominence Solar Filter transforms long focal ratio telescopes, from f\/15 to f\/30, into dedicated hydrogen-alpha solar instruments in a single, eyepiece-style unit. This all-in-one assembly integrates a Fabry Perot etalon with AR coatings optimized for the 656nm wavelength and is powered by a standard 5V 1.5amp USB source, eliminating the need for complex adapter 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\u003eAn All-In-One Hydrogen-Alpha Filter for f\/15-f\/30 Telescopes\u003c\/h3\u003e\n\u003cp\u003eDaystar's Combo Quark simplifies hydrogen-alpha solar observing by integrating the filter, adapters, and snouts into a single, lightweight device. Designed for telescopes with focal ratios of f\/15 or longer, such as Schmidt-Cassegrains, Maksutovs, and classic long-tube refractors, it operates just like an eyepiece. Simply insert the Quark into your diagonal, add your preferred eyepiece to the brass compression ring, and you are ready to 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\u003eOptimized for Prominences: Contrast-Enhancing Baffles and 656nm Coatings\u003c\/h3\u003e\n\u003cp\u003eThis model is specifically qualified to reveal solar prominences—the dramatic eruptions of plasma seen along the limb of the Sun. To maximize image contrast, the Quark features internal baffles and anti-reflection coatings precisely tuned for the 656nm hydrogen-alpha wavelength. This specialized design ensures that faint, eruptive details stand out clearly 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\u003e5V USB Power for All-Day Solar Sessions\u003c\/h3\u003e\n\u003cp\u003eThe internal Fabry Perot etalon requires precise heating to stay on-band, which is managed by a low-draw 5V, 1.5amp USB power system. This modern power solution allows the Quark to operate from various sources, including the included 90-240VAC wall adapter with international plugs or an optional palm-sized battery pack for field use. The efficient design enables continuous, all-day operation without significant power consumption.\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 Safety Requirements for SCT and Maksutov Telescopes\u003c\/h3\u003e\n\u003cp\u003eSafe solar observing is paramount. When using the Combo Quark with a Schmidt-Cassegrain or Maksutov-Cassegrain telescope, you must use an off-axis Energy Rejection Filter (ERF). Using this filter with a full-aperture SCT or Mak without an ERF will concentrate excessive heat and light, resulting in permanent damage to your telescope's secondary mirror. The required ERF is sold separately and must be matched to your specific telescope model.\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\u003eCombo Quark: Prominence vs. Chromosphere Models\u003c\/h3\u003e\n\u003cp\u003eDaystar offers the Combo Quark in two distinct versions tailored to different observing goals. While the Chromosphere model excels at revealing fine surface texture like filaments and plages, this Prominence model is specifically qualified to maximize contrast for outbursts and loops extending beyond the solar disk. This allows you to choose a filter based on your primary interest rather than a specific bandpass, as the final performance is a function of your telescope's focal ratio.\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\"\u003eHow do I use the Daystar Combo Quark Prominence filter with my 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou must first install an \u003cstrong\u003eoff-axis Energy Rejection Filter (ERF)\u003c\/strong\u003e, sold separately, over the front of your telescope. Once the ERF is securely in place, insert the Combo Quark into your diagonal, then place a standard eyepiece into the back of the Quark. The Quark's internal optics will bring your telescope's focal ratio into the required f\/15-f\/30 range for proper operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I expect to see with the Daystar Combo Quark Prominence and a long f\/15 refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith an f\/15 refractor, this filter is perfectly suited for high-contrast views of the solar limb. You can expect to see \u003cstrong\u003eeruptive prominences, detached filaments, and delicate loops\u003c\/strong\u003e set against a dark background. Surface detail like granulation and plages will be visible but less pronounced than with the companion Chromosphere model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of power supply does the Daystar Combo Quark Prominence filter need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Combo Quark Prominence filter uses a standard \u003cstrong\u003eUSB 5V, 1.5amp power source\u003c\/strong\u003e. It includes a 90-240VAC wall adapter with international plugs. For portability, it can also be powered by a small, optional USB battery pack, allowing for extended observing sessions in the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need any special adapters for the Daystar Combo Quark Prominence filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the Daystar Combo Quark Prominence is an all-in-one design that fits directly into a standard 1.25\" or 2\" diagonal. The only essential accessory is an \u003cstrong\u003eoff-axis ERF for SCT and Maksutov telescopes\u003c\/strong\u003e, which is a critical safety component, not a mechanical adapter.\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 Daystar Combo Quark Prominence and Chromosphere models?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe two models are tuned for different solar features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProminence Model (this one):\u003c\/strong\u003e Optimized for high-contrast views of features on the Sun's edge (limb), like flares and eruptions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromosphere Model:\u003c\/strong\u003e Optimized for viewing details on the Sun's surface (disk), such as filaments, plages, and granulation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy doesn't the Daystar Combo Quark Prominence have a specific bandpass rating?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe final filter bandpass of the Daystar Combo Quark Prominence is dependent on the focal ratio of the telescope it's used with. Instead of providing a fixed FWHM number that can be misleading, Daystar qualifies each unit to perform best for a specific observational goal—in this case, viewing solar prominences.\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_Combo_Quark_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":44967455097117,"sku":"DAY-DSZCP","price":1813.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Combo-Quark-1__65848.1597187012.1280.1280.jpg?v=1684342398"},{"product_id":"daystar-camera-quark-chromosphere-solar-filter","title":"Daystar Camera Quark Chromosphere Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eTransforms Canon or Nikon SLR lenses into a Hydrogen-Alpha solar telescope\u003c\/li\u003e\n\u003cli\u003eIntegrated, H-Alpha optimized telecentric Barlow lens\u003c\/li\u003e\n\u003cli\u003eUSB-powered, heated Fabry-Perot etalon for thermal stability\u003c\/li\u003e\n\u003cli\u003eSupports both camera and eyepiece-based observation\u003c\/li\u003e\n\u003cli\u003eIncludes reversible mounting foot with tripod threads 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 Camera Quark Chromosphere Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Camera Quark Chromosphere Solar Filter converts your standard telephoto lens into a dedicated Hydrogen-alpha solar instrument, unlocking detailed views of the sun's dynamic chromosphere. This all-in-one adapter houses a precision DayStar Fabry-Perot etalon and an integrated, H-alpha optimized telecentric Barlow lens. Simply attach the Camera Quark between your existing Canon or Nikon lens and your camera body to begin exploring solar 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\u003eH-alpha Conversion: Turn Your SLR Lens into a Solar Telescope\u003c\/h3\u003e\n\u003cp\u003eThe Camera Quark is an elegant solution for photographers wanting to enter the world of H-alpha solar imaging without investing in a new, dedicated telescope. The patent-pending design combines the necessary etalon and a telecentric Barlow in a single, lightweight device that mounts directly to your lens. This approach allows you to use the zoom feature of your camera lens to seamlessly shift from wide-field views of the full solar disc to high-magnification close-ups of active regions, all without changing your optical setup.\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\u003eUSB-Powered Etalon: Stable, On-the-Go Solar Viewing\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the Camera Quark is a solid Fabry-Perot etalon that must be heated to a precise temperature to remain on the critical 656.28nm H-alpha line. The unit is powered by a common USB power source, allowing you to run it all day from a wall adapter or a small, portable battery pack for field use. An LED indicator light clearly shows the filter's status, changing from warming to ready, so you know exactly when your system is thermally stable and optimized for the highest contrast views.\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\u003eIntegrated Mounting \u0026amp; Adapters: Connect to Cameras, Eyepieces, and Mounts\u003c\/h3\u003e\n\u003cp\u003eDesigned for maximum flexibility, the Camera Quark attaches securely with a bayonet mount for either Canon or Nikon lenses. It includes the corresponding camera body adapter, but its utility extends beyond imaging. An included drawtube adapter allows you to insert a standard 1.25\" eyepiece for direct visual observation. For stable mounting, a reversible combination lens foot provides both standard tripod holes and a Vixen-style dovetail, enabling you to mount your entire lens-and-camera setup on a simple photo tripod or a more robust astronomical mount.\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\u003eManual Operation: Key Considerations for Modern Lenses\u003c\/h3\u003e\n\u003cp\u003eThe Camera Quark does not feature electronic pass-through, which is a critical consideration for use with modern lenses. You will need to operate your lens in full manual mode, controlling both focus and aperture mechanically. Lenses that require electronic signals from the camera body for these functions may not be compatible. For safety, Daystar also recommends using a front-mounted, color-neutral energy rejection filter (ERF) on any lens with an objective larger than 80mm in aperture to prevent excess heat buildup.\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\u003eCamera Quark vs. Dedicated Solar Telescopes: Portability vs. Aperture\u003c\/h3\u003e\n\u003cp\u003eA dedicated solar telescope offers an all-in-one, optimized system, often with a larger aperture and internal ERF, but at the cost of being a single-purpose instrument. The Camera Quark's primary advantage is its portability and adaptability. It allows you to leverage the high-quality optics you already own, creating a compact, travel-friendly solar imaging rig that fits in a camera bag. While a dedicated scope might resolve finer detail due to a larger objective, the Camera Quark provides an accessible and versatile entry point for capturing stunning H-alpha images of the sun.\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\"\u003eHow do I power the Daystar Camera Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Camera Quark requires a \u003cstrong\u003eUSB power source (5V, 1.5A)\u003c\/strong\u003e to heat its internal etalon. You can use the included wall adapter or a portable USB battery pack for use in the field. An LED indicator lets you know when the filter is warming up and when it has reached its stable operating temperature.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Camera Quark visually with an eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Camera Quark includes a \u003cstrong\u003e1.25\" drawtube adapter\u003c\/strong\u003e that allows you to insert a standard astronomy eyepiece. This lets you use your camera lens and the Quark as a complete, portable visual solar telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Daystar Camera Quark work with my zoom lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, and this is one of its most powerful features. Using a zoom lens allows you to change your field of view and magnification without altering the setup. You can frame the entire solar disk at a wide setting and then zoom in to study a specific sunspot group or prominence in high detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an extra filter for my 100-400mm lens with the Daystar Camera Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. For any lens with an aperture \u003cstrong\u003elarger than 80mm\u003c\/strong\u003e, Daystar strongly recommends using a front-mounted energy rejection filter (ERF). This filter reduces the heat load on the internal components of the Quark and your lens, ensuring safe operation and protecting your equipment. An ERF is not included and must be purchased separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill my camera's autofocus work through the Daystar Camera Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The Daystar Camera Quark has \u003cstrong\u003eno electronic pass-through\u003c\/strong\u003e. This means no communication can occur between your camera body and the lens. You must set your lens to manual focus and, if applicable, manually set the aperture ring. Lenses that rely solely on electronic control for focus or aperture will not work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow can I image both solar prominences and surface detail with the Camera Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eCapturing both requires different exposure settings. First, achieve sharp manual focus on the limb of the sun using your camera's live view. For \u003cstrong\u003eprominences\u003c\/strong\u003e, use a higher exposure setting to capture the faint structures extending into space. For \u003cstrong\u003esurface detail\u003c\/strong\u003e like filaments and granulation, you will need a much shorter exposure. It is standard practice to take separate videos or image sets for each and combine them during processing.\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\u003eFor Canon, For Nikon\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_Camera_Quark_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":"For Canon","offer_id":44967455129885,"sku":"DAY-DSZTCC","price":2093.0,"currency_code":"CAD","in_stock":true},{"title":"For Nikon","offer_id":44967455162653,"sku":"DAY-DSZTNC","price":2093.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Camera-Quark-1__96901.1597186809.1280.1280.jpg?v=1684342404"},{"product_id":"daystar-camera-quark-prominence-solar-filter","title":"Daystar Camera Quark Prominence Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eTransforms Canon or Nikon SLR lenses into a Hydrogen-Alpha solar telescope\u003c\/li\u003e\n\u003cli\u003eOptimized for high-contrast views of solar prominences\u003c\/li\u003e\n\u003cli\u003eInternal Fabry-Perot etalon with USB-powered heating\u003c\/li\u003e\n\u003cli\u003eIntegrated telecentric lens system ensures a flat, evenly illuminated field\u003c\/li\u003e\n\u003cli\u003eAccepts 1.25\" eyepieces or camera bodies for flexible viewing\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 Camera Quark Prominence Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Camera Quark Prominence Solar Filter transforms your standard Canon or Nikon SLR lens into a dedicated Hydrogen-alpha solar telescope. This all-in-one unit houses a precisely tuned Fabry-Perot etalon and an optimized telecentric lens system, placing high-contrast views of solar prominences within reach of your existing camera gear. Simply attach the Camera Quark between your lens and camera body to begin exploring the dynamic, ever-changing limb 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\u003eH-Alpha Solar Imaging with Your Canon or Nikon Lenses\u003c\/h3\u003e\n\u003cp\u003eThe Camera Quark leverages the investment you've already made in your photographic equipment. By attaching to the bayonet mount of your telephoto or zoom lens, it provides a direct, secure optical path for H-alpha observation. This design allows you to use your lens's zoom capabilities to go from wide, full-disk views to high-magnification close-ups of specific active regions without changing your setup.\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\u003eIntegrated Telecentric Optics for a Flat H-Alpha Field\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the Camera Quark is a custom, integrated telecentric lens system. This is not a simple Barlow lens; it is an optical component specifically designed to work with the internal etalon, ensuring the light rays entering the filter are parallel across the entire field. The result is superior field flatness and even illumination, eliminating the off-axis artifacts that can compromise H-alpha viewing in less-optimized 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\u003eUSB Power and Versatile Mounting for Field Operations\u003c\/h3\u003e\n\u003cp\u003eDesigned for portability, the Camera Quark is powered by a standard USB connection, allowing it to run all day from a small, palm-sized battery pack or any USB power source. For secure attachment, it includes a reversible combination mounting foot. This foot features standard tripod threads for use with photographic tripods and a Vixen-style dovetail for a solid connection to any astronomical mount.\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\u003eCamera Quark Prominence vs. Chromosphere: Choosing Your View\u003c\/h3\u003e\n\u003cp\u003eDaystar offers two versions of the Camera Quark, tuned for different solar features. Understanding the distinction is key to selecting the right tool for your observing goals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromosphere Model Advantage:\u003c\/strong\u003e The Chromosphere version uses a narrower bandpass. This increases contrast on the Sun's turbulent surface, making it the superior choice for resolving fine details in plages, filaments, and granulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProminence Model (This Model):\u003c\/strong\u003e The Prominence version has a slightly wider bandpass. This makes the faint, delicate structures of prominences appear brighter and more distinct against the black background of space, delivering the most dramatic views of solar ejections and loops on the Sun's limb.\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\u003eManual Control: Important Lens Compatibility Notes\u003c\/h3\u003e\n\u003cp\u003eThe Camera Quark is a fully manual device that does not electronically communicate with your lens or camera. You must be able to manually set your lens's focus to infinity and control its aperture. Lenses that require electronic control for these functions (\"focus-by-wire\") may not be compatible.\u003c\/p\u003e\n\u003cp\u003eAdditionally, for lenses with large apertures, Daystar recommends using a front-mounted red, orange, or yellow colored glass filter to act as an energy rejection filter (ERF). This reduces the heat load on the internal etalon, ensuring stable and safe operation during extended viewing sessions.\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\"\u003eHow do I power the Daystar Camera Quark in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eDaystar Camera Quark\u003c\/strong\u003e is powered via a standard USB port. This allows you to use it with any common portable USB battery pack, the same kind you would use to charge a smartphone, making it easy to power during a full day of solar observing away from AC outlets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use an eyepiece with the Daystar Camera Quark instead of a DSLR?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The \u003cstrong\u003eCamera Quark\u003c\/strong\u003e includes an adapter that allows you to insert a standard 1.25\" eyepiece. This lets you use your SLR lens and Quark combination as a visual Hydrogen-alpha telescope, not just an imaging system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the difference between the Camera Quark Prominence and Chromosphere models?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe two models are tuned for different features. The \u003cstrong\u003eProminence model (this one)\u003c\/strong\u003e has a slightly wider bandpass, which makes faint prominences on the solar limb appear brighter and with higher contrast. The \u003cstrong\u003eChromosphere model\u003c\/strong\u003e has a narrower bandpass, which is better for revealing fine surface details like filaments and plages against the bright solar disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an additional filter for my lens when using the Camera Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor lenses with large apertures (typically over 80mm), Daystar recommends using a simple colored glass filter (red, orange, or yellow) on the front of your lens. This acts as an Energy Rejection Filter (ERF), reflecting excess heat and light before it enters the lens, which protects the internal Quark components and improves thermal stability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I use the Camera Quark with a 300mm telephoto lens to frame a total solar eclipse?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA 300mm lens with the \u003cstrong\u003eCamera Quark\u003c\/strong\u003e provides an excellent field of view for capturing the full solar disk with room to spare. During the partial phases, you would image as normal. During totality, you would remove the entire lens\/Quark assembly to capture the corona, as H-alpha filters block coronal light. The Quark is for observing the chromosphere and prominences, which are visible right up to the second and third contacts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Camera Quark work with my fast f\/2.8 zoom lens for capturing solar flares?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, but you must stop the lens down. H-alpha etalons require a slow, near-parallel light cone to function correctly. While the internal telecentric lens helps, you should manually set your f\/2.8 lens to f\/8 or slower using its aperture ring for best results. Fast f-ratios will result in a wider, less detailed 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\u003eAvailable Options\u003c\/td\u003e\n\u003ctd\u003eFor Canon, For Nikon\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 does not have a specified 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\/Daystar_Filters_Quark_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":"For Canon","offer_id":44967455228189,"sku":"DAY-DSZTCP","price":2093.0,"currency_code":"CAD","in_stock":true},{"title":"For Nikon","offer_id":44967455260957,"sku":"DAY-DSZTNP","price":2093.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Camera-Quark-1__03123.1597186588.1280.1280.jpg?v=1684342409"},{"product_id":"daystar-quark-for-questar-chromosphere-solar-filter","title":"Daystar Quark for Questar Chromosphere Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAll-In-One Hydrogen-Alpha Solar Filter\u003c\/li\u003e\n\u003cli\u003eTuned for Chromosphere (Surface) Detail\u003c\/li\u003e\n\u003cli\u003eDesigned Exclusively for Questar Telescopes\u003c\/li\u003e\n\u003cli\u003eUSB-Powered for Field Use\u003c\/li\u003e\n\u003cli\u003eIncludes Native Questar Eyepiece and Rear Port Threads\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 Quark for Questar Chromosphere Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark for Questar Chromosphere Solar Filter revolutionizes solar observing by integrating a telecentric barlow, adapters, and a hydrogen-alpha etalon into a single, eyepiece-sized unit. Designed exclusively for Questar telescopes, this all-in-one device attaches directly without extra adapters for immediate, high-contrast views of the solar chromosphere. It runs on convenient USB power, making it an ideal solution for both backyard and field observation of the Sun's dynamic 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\u003eAn All-in-One Hydrogen-Alpha System for Questar Telescopes\u003c\/h3\u003e\n\u003cp\u003eThis Quark model eliminates the complexity of assembling a separate filter, energy rejection filter, and barlow lens. The entire optical system is contained in one compact device that inserts directly into your Questar's diagonal, ready for an eyepiece.\u003c\/p\u003e\n\u003cp\u003eThe efficient, optimized design reduces weight and cost, removing unnecessary components from the optical train. This integrated approach not only simplifies your setup but also makes high-quality solar observation more accessible and portable than ever before.\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\u003eChromosphere-Tuned for High-Contrast Solar Surface Detail\u003c\/h3\u003e\n\u003cp\u003eThis Quark is specifically qualified to reveal the intricate, high-contrast details of the Sun's chromosphere. You can expect to clearly see features like filaments snaking across the disk, bright plages surrounding active regions, and the fine granulation of the solar surface. The internal Daystar Fabry-Perot etalon is protected within the assembly, with anti-reflective coatings and baffles optimized for the hydrogen-alpha wavelength.\u003c\/p\u003e\n\u003cp\u003eInstead of designating a specific bandpass, Daystar tunes each Quark for an observational goal. This Chromosphere model is your choice for studying the dynamic, ever-changing surface of our star, prioritizing contrast over the faint features at the 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\u003eUSB Power and Native Questar Threading\u003c\/h3\u003e\n\u003cp\u003eEngineered for modern convenience, the Quark runs on standard USB power, allowing it to operate all day from a small, palm-sized battery pack (sold separately) or the included wall adapter. For seamless integration, it features a unique triple-connector snout: a standard 1.25” barrel, native Questar eyepiece threading, and native Questar rear port threading. This ensures a secure, direct fit to your telescope without any guesswork.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Questar Fit:\u003c\/strong\u003e Attaches via the Questar eyepiece thread (1.270-32 UNS) or the rear port thread (M30x0.8) for a rigid connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Output:\u003c\/strong\u003e The 1.25\" eyepiece holder uses a brass compression ring to protect your eyepieces from scratches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Power:\u003c\/strong\u003e The included 90-240VAC adapter comes with international plugs, making it ready for travel.\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\u003eQuark Chromosphere vs. Prominence: Choosing Your Solar Target\u003c\/h3\u003e\n\u003cp\u003eDaystar offers two versions of the Quark for Questar, tuned for different solar phenomena. The choice between them depends entirely on your primary observing interest.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProminence Model Advantage:\u003c\/strong\u003e The Prominence version is tuned to be slightly off-band, which enhances the visibility of faint, delicate prominence structures erupting from the solar limb against the black background of space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromosphere Model Advantage:\u003c\/strong\u003e This Chromosphere model provides a tighter, on-band view. This increases contrast across the solar disk, making it superior for resolving the complex web of filaments, plages, and active regions that define the Sun's surface. While very bright prominences may still be visible, this filter's strength is surface 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 solar features is the Daystar Quark for Questar Chromosphere best for observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis Quark is specifically tuned for the Sun's chromosphere. It excels at revealing high-contrast surface details like \u003cstrong\u003efilaments\u003c\/strong\u003e, \u003cstrong\u003eplages\u003c\/strong\u003e, \u003cstrong\u003eactive regions\u003c\/strong\u003e, and fine \u003cstrong\u003egranulation\u003c\/strong\u003e around sunspots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Quark for Questar on a non-Questar telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eNo.\u003c\/strong\u003e This version of the Quark is engineered exclusively for Questar telescopes and uses their specific rear port and eyepiece threading. It will not attach to or work correctly with other telescope brands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I power the Daystar Quark for Questar in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark is powered via a standard USB port. It can be run all day using a small, portable USB battery pack (sold separately) or the included wall adapter if an AC outlet is available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy doesn't the Daystar Quark for Questar Chromosphere have a specific FWHM bandpass rating?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDaystar qualifies Quark filters based on their intended observing target (chromosphere or prominence) rather than a specific Full-Width Half-Max (FWHM) bandpass number. This approach ensures the filter is optimized for viewing specific solar features, providing excellent contrast on the solar disk for this Chromosphere model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Daystar Quark for Questar perform on my Questar 3.5 telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark is optimized for the focal ratios of Questar telescopes, which are typically slow systems. It will perform very well, delivering sharp, high-contrast views of the chromosphere without needing any additional optical correctors or accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Quark for Questar Chromosphere show me solar prominences at all?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the Chromosphere model is optimized for surface detail, you may still be able to see very bright prominences against the blackness of space. However, for observing fainter, more detailed prominence structures, the \u003cstrong\u003eDaystar Quark for Questar Prominence model\u003c\/strong\u003e is the recommended choice.\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\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eHydrogen-Alpha Solar Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eChromosphere (Surface Detail)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Wavelength\u003c\/td\u003e\n\u003ctd\u003eHydrogen-alpha (656nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eQuestar Telescopes Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Focal Ratio\u003c\/td\u003e\n\u003ctd\u003eF\/13 and slower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Connections\u003c\/td\u003e\n\u003ctd\u003e1.25” snout, Native Questar eyepiece thread (1.270-32 UNS), Native Questar rear port thread (M30x0.8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\" Eyepiece Holder with Brass Compression Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eUSB 5V, 1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Power Adapter\u003c\/td\u003e\n\u003ctd\u003e90-240VAC Wall Adapter with International Plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eIncluded Twist-Case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Warning\u003c\/td\u003e\n\u003ctd\u003eNot suited for off-axis application\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\"\u003eDaystar Quark for Questar Chromosphere Solar 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\"\u003e90-240VAC Wall Power 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\"\u003eInternational Plug Adapters\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\"\u003eProtective Twist-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_Questar_Quark_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":44967455293725,"sku":"DAY-DSZQC","price":1813.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quark-Questar-1__42269.1597184555.1280.1280.jpg?v=1684342413"},{"product_id":"daystar-quark-for-questar-prominence-solar-filter","title":"Daystar Quark for Questar Prominence Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eTransforms a Questar telescope into a Hydrogen-alpha solar telescope\u003c\/li\u003e\n\u003cli\u003eProminence model optimized for high-contrast views of solar limb activity\u003c\/li\u003e\n\u003cli\u003eAll-in-one, electronically heated etalon design for on-band stability\u003c\/li\u003e\n\u003cli\u003eInstalls directly into the Questar optical path for a seamless fit\u003c\/li\u003e\n\u003cli\u003ePowered by a standard USB connection (power supply not included)\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 Quark for Questar Prominence Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark for Questar brings modern, electronically-heated Hydrogen-alpha filtering to the legendary Questar telescope. This all-in-one unit contains a Fabry-Pérot etalon, telecentric optics, and thermal regulation systems in a single device that installs directly into the Questar's optical path. The Prominence model is specifically designed to deliver the brightest, highest-contrast views of eruptive solar activity happening at the edge 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\u003eInstant H-alpha Astronomy for Your Questar Telescope\u003c\/h3\u003e\n\u003cp\u003eTurn your classic Questar into a sophisticated solar observing instrument without a complex and expensive component stack. The Quark is an integrated solution that replaces the standard eyepiece holder, providing a simple and elegant way to witness the dynamic solar atmosphere in the specific wavelength of Hydrogen-alpha light.\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\u003eOptimized for Solar Prominences: High-Contrast Limb Detail\u003c\/h3\u003e\n\u003cp\u003eThis \"Prominence\" version of the Quark is engineered with a slightly wider H-alpha bandpass compared to its \"Chromosphere\" counterpart. This design choice results in a brighter image and boosts the contrast of faint structures against the blackness of space, making it the ideal choice for observing solar flares, erupting prominences, and delicate plasma loops extending 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\u003eIntegrated Design: A Seamless Fit for the Questar Optical Path\u003c\/h3\u003e\n\u003cp\u003eUnlike generic solar filters, the Quark for Questar is custom-built to work with the specific optical and mechanical properties of the Questar telescope. It threads directly into the telescope, ensuring proper focus, optical alignment, and a secure connection. This purpose-built design eliminates the compatibility issues and optical compromises that can arise from adapting universal filters to this unique 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\u003eQuark Prominence vs. Chromosphere: Choosing the Right Filter for Your Goals\u003c\/h3\u003e\n\u003cp\u003eDaystar offers two variants of the Quark to suit different observing priorities. Understanding the trade-off is key to selecting the right one for you.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromosphere Model Advantage:\u003c\/strong\u003e A Chromosphere Quark has a narrower bandpass. This increases contrast on the Sun's disk, revealing finer detail in surface features like filaments, plage, and granulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProminence Model Advantage:\u003c\/strong\u003e The Prominence Quark's wider bandpass produces a brighter image that excels at showing faint, wispy detail in prominences against the dark sky. While surface detail is still visible, it is optimized for activity at the solar limb.\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 makes the Daystar Quark for Questar different from a standard Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quark for Questar is specifically designed to integrate mechanically and optically with the Questar telescope. It features custom threading and housing to fit directly into the Questar's rear port, ensuring a secure fit and correct focal position without the need for adapters or modifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an Energy Rejection Filter (ERF) with the Quark for Questar?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. To prevent focused heat from damaging the internal components of your Questar telescope and the Quark filter itself, a full-aperture Energy Rejection Filter (ERF) must be placed over the front of the telescope. Operating the Quark without a properly installed ERF can cause permanent damage to your equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Daystar Quark for Questar Prominence model show a large solar flare?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Prominence model is ideal for this scenario. Its design prioritizes image brightness and contrast at the solar limb. A large solar flare will appear as a brilliant, sharply-defined eruption against the black background of space, allowing you to observe its structure and evolution with exceptional clarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Quark for Questar on other telescopes?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this version is purpose-built for the Questar telescope only. Its specific threading and optical placement are not compatible with standard refractors, SCTs, or other telescope designs. Daystar produces other Quark models for use with different instruments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I want to see fine granulation on the Sun's surface with my Questar, is this the right Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the Prominence model will show some surface detail, it is not optimized for it. For prioritizing fine surface features like granulation and the intricate structure of filaments, the \u003cstrong\u003eDaystar Quark Chromosphere\u003c\/strong\u003e model would be the better choice. Its narrower bandpass increases contrast on the solar disk at the expense of some prominence brightness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power source does the Daystar Quark for Questar require to operate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quark is electronically heated and requires a stable power source to maintain its on-band wavelength. It is powered via a standard USB port and requires a power supply (such as a wall adapter or portable battery pack) capable of delivering sufficient amperage. Please consult the product manual for the specific power requirements.\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\u003eSpecifications\u003c\/td\u003e\n\u003ctd\u003eNot available for this product.\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\"\u003eBox contents not available for this product.\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_Questar_Quark_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":44967455326493,"sku":"DAY-DSZQP","price":1813.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Quark-Questar-1__51586.1597184522.1280.1280.jpg?v=1684342416"},{"product_id":"daystar-sodium-quark-solar-filter","title":"Daystar Sodium Quark Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eObserves the Sodium D-Line at 5890 Å\u003c\/li\u003e\n\u003cli\u003eBandpass of approximately 0.3-0.5 Angstroms\u003c\/li\u003e\n\u003cli\u003eIntegrated 4.2X Telecentric Barlow Lens\u003c\/li\u003e\n\u003cli\u003eDesigned for F\/4 to F\/9 Refracting Telescopes\u003c\/li\u003e\n\u003cli\u003eAll-in-one, eyepiece-sized solar 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 Sodium Quark Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Sodium Quark Solar Filter isolates the brilliant 5890 Å Sodium D-line with a bandpass of approximately 0.3-0.5 angstroms, revealing high-contrast details across the solar photosphere. This all-in-one unit integrates a custom 4.2X telecentric Barlow lens, making it fully optimized for any refracting telescope with a focal ratio between F\/4 and F\/9. The result is a simple, eyepiece-sized device that delivers sharp, flat-field views of sunspots, plage, and granulation with significantly shorter exposure times than other narrowband wavelengths.\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 Solar Details at the 5890 Å Sodium D-Line\u003c\/h3\u003e\n\u003cp\u003eThe Sodium D-line offers a unique and intensely bright window into the Sun's photosphere. With the Sodium Quark's sub-angstrom bandpass, you can resolve fine sunspot structure, bright patches of plage, and the textured pattern of solar granulation. Under excellent seeing conditions, even the larger super-granulation cells may become visible, alongside the flare footprints known as flare kernels.\u003c\/p\u003e\n\u003cp\u003eBecause the Sodium D-line is brighter than both Calcium and Hydrogen-alpha, visual observation is easier and imaging exposures are dramatically shorter. This allows you to capture fleeting moments of excellent seeing and freeze atmospheric turbulence for sharper results, revealing dynamic features that are often washed out at other wavelengths.\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\u003eIntegrated 4.2X Telecentric Barlow for F\/4-F\/9 Refractors\u003c\/h3\u003e\n\u003cp\u003eDaystar's \"All-In-One\" design eliminates the complexity of traditional solar filter setups by combining a Fabry-Perot etalon and a fully optimized 4.2X telecentric barlow into a single, compact unit. This design ensures the filter receives the parallel light beam it needs to perform correctly, regardless of your refractor's native focal length, as long as it falls within the F\/4 to F\/9 range. The custom telecentric optics also ensure a uniformly illuminated and sharp, flat field from edge to edge.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Operation:\u003c\/strong\u003e Just insert the Sodium Quark into your 1.25\" or 2\" diagonal, add an eyepiece, and you are ready to observe. No complex adapters or spacing calculations are required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e The compact, eyepiece-sized form factor eliminates unnecessary weight and components, making it easy to balance on any mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-Axis Use Only:\u003c\/strong\u003e This filter is engineered for on-axis use in refracting telescopes and is not suitable for off-axis solar scopes or other designs.\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\u003eSodium vs. H-alpha: Why the 5890 Å Line is Brighter\u003c\/h3\u003e\n\u003cp\u003eWhile Hydrogen-alpha filters are the standard for viewing the chromosphere and dramatic prominences on the solar limb, the Sodium Quark targets the photosphere with a key advantage: brightness. The light emitted at the 5890 Å Sodium D-line is inherently more intense than the 6563 Å H-alpha line.\u003c\/p\u003e\n\u003cp\u003eThis increased brightness translates directly into shorter camera exposures and an easier visual experience, reducing eye strain during long observing sessions. While an H-alpha filter is necessary for limb detail, the Sodium Quark excels at delivering high-contrast, high-resolution views of features on the solar disk itself, like the intricate details within sunspot umbra and penumbra.\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 Daystar Sodium Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Sodium Quark is designed to reveal features in the Sun's \u003cstrong\u003ephotosphere\u003c\/strong\u003e. You can expect to see high-resolution details in \u003cstrong\u003esunspots\u003c\/strong\u003e, bright areas of \u003cstrong\u003eplage\u003c\/strong\u003e, and the convection cells of \u003cstrong\u003egranulation\u003c\/strong\u003e. Under steady seeing, larger \u003cstrong\u003esuper-granulation\u003c\/strong\u003e patterns and the base of solar flares (\u003cstrong\u003eflare kernels\u003c\/strong\u003e) may also be visible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow is the Sodium Quark different from a Hydrogen-alpha Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThey view different layers of the Sun. An \u003cstrong\u003eH-alpha Quark\u003c\/strong\u003e shows the \u003cstrong\u003echromosphere\u003c\/strong\u003e, famous for solar prominences, filaments, and surface texture. The \u003cstrong\u003eSodium Quark\u003c\/strong\u003e shows the deeper \u003cstrong\u003ephotosphere\u003c\/strong\u003e at the 5890 Å wavelength, which is better for sunspot detail and granulation. The Sodium view is also significantly brighter, allowing for shorter imaging exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill my 80mm f\/6 refractor work well with the Sodium Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, perfectly. The Sodium Quark is optimized for any refractor with a focal ratio between \u003cstrong\u003eF\/4 and F\/9\u003c\/strong\u003e. An 80mm f\/6 refractor falls right in that range and will provide excellent views. You do not need any additional optical correctors; simply insert the Quark into your diagonal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a separate energy rejection filter (ERF) with the Sodium Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor refractors under 80mm of aperture, typically no front-mounted ERF is required for visual use. For refractors over 80mm, or for any imaging application, a front-mounted UV\/IR cut filter or a dedicated ERF is strongly recommended to reduce heat entering the telescope and the Quark itself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Sodium Quark show solar flares compared to an H-alpha filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn H-alpha filter shows the entire structure of a solar flare as it erupts into the chromosphere. The Sodium Quark shows the \"flare footprints\" or \u003cstrong\u003eflare kernels\u003c\/strong\u003e on the photosphere. These are the intensely bright, compact points at the base of the magnetic loops where the flare originates, offering a different perspective on the event's energy release.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power supply does the Daystar Sodium Quark use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark requires a 5V DC power source to heat its internal etalon to the precise operating temperature. The product description notes that its low power consumption allows it to run all day from a small, palm-sized \u003cstrong\u003eoptional battery pack\u003c\/strong\u003e. A standard power adapter is not listed as an included accessory.\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\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003eSodium D-Line (5890 Å)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass (FWHM)\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.3 - 0.5 Angstroms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Barlow\u003c\/td\u003e\n\u003ctd\u003e4.2x Telecentric Lens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Telescope Type\u003c\/td\u003e\n\u003ctd\u003eRefractors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Focal Ratio\u003c\/td\u003e\n\u003ctd\u003eF\/4 - F\/9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Application\u003c\/td\u003e\n\u003ctd\u003eOn-axis only (not for off-axis use)\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\"\u003eDaystar Sodium Quark Solar Filter\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_Quark_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":44967456833821,"sku":"DAY-DSZSD","price":1813.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Sodium-Quark-DSZSD-1__67412.1597176316.1280.1280.jpg?v=1684342420"},{"product_id":"daystar-magnesium-quark-solar-filter","title":"Daystar Magnesium Quark Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eObserve the unique Magnesium I (Mg I) solar spectral line\u003c\/li\u003e\n\u003cli\u003eAll-in-one design fits standard 1.25\" diagonals\u003c\/li\u003e\n\u003cli\u003eIntegrated 4.2X telecentric Barlow lens for superior field flatness\u003c\/li\u003e\n\u003cli\u003eOptimized for F\/4 to F\/9 refractors\u003c\/li\u003e\n\u003cli\u003eUSB-powered for convenient field 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\u003eDaystar Magnesium Quark Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Magnesium Quark Solar Filter brings the unique Mg I b2 spectral line to your refractor in a single, eyepiece-sized unit. It incorporates a fully optimized, integrated 4.2X telecentric Barlow lens to ensure a flat field of view across a wide range of refractor focal ratios from f\/4 to f\/9. This all-in-one design simplifies high-resolution solar observing by eliminating complex adapters, and its USB power input allows for extended sessions in the 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\u003eObserving the Sun in Magnesium I: A Unique Chromospheric View\u003c\/h3\u003e\n\u003cp\u003eWhile Hydrogen-alpha reveals dramatic prominences and active regions, the Magnesium I line offers a different perspective on the sun's chromosphere. This wavelength is ideal for studying the quiet sun, revealing intricate details in plage (bright patches) and the chromospheric network that are often more subtle or invisible in H-alpha. The view is a unique window into the temperature and density structure of the solar atmosphere just above the photosphere.\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\u003eAll-in-One Design with Integrated 4.2X Telecentric Optics\u003c\/h3\u003e\n\u003cp\u003eDaystar has engineered the Magnesium Quark for ultimate simplicity and optical purity. The unit contains a custom 4.2X telecentric Barlow lens that is fully optimized for the Fabry-Perot etalon, ensuring superior field flatness and eliminating the need for additional components. You simply insert the Quark into your 1.25\" diagonal, add an eyepiece, and begin observing without worrying about complex 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\u003eUSB-Powered for Field Use with Standard 1.25\" Connectivity\u003c\/h3\u003e\n\u003cp\u003eDesigned for portability, the Magnesium Quark is powered via a standard USB 5v, 1.5amp connection, allowing it to run all day from a small, palm-sized battery pack (sold separately). The housing fits any standard 1.25\" eyepiece drawtube and features a brass compression ring to protect your eyepieces from scratches. While it has a 1.25\" output, optional accessories are available for use with 2\" eyepieces or SCT rear threads.\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\u003eMagnesium Quark vs. Hydrogen-Alpha: What You See Differently\u003c\/h3\u003e\n\u003cp\u003eChoosing between solar filters depends on your observing goals. The Magnesium Quark and a Hydrogen-alpha filter show you two different layers and phenomena in the sun's dynamic atmosphere.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnesium I (Mg I):\u003c\/strong\u003e Excels at showing fine, low-contrast detail in the lower-to-mid chromosphere. It is the preferred wavelength for observing the structure of plage and the quiet-sun network. It does not show prominences or filaments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrogen-alpha (H-alpha):\u003c\/strong\u003e The classic choice for high-contrast, dynamic events. H-alpha is unmatched for viewing solar prominences erupting from the limb, dark filaments snaking across the disk, and the dramatic structure of active regions around sunspots.\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 Magnesium Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Magnesium Quark is designed to reveal features in the sun's lower chromosphere. You can expect to see \u003cstrong\u003eplage\u003c\/strong\u003e (bright areas), the fine, web-like \u003cstrong\u003echromospheric network\u003c\/strong\u003e, and details in and around sunspots that are distinct from other wavelengths.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of telescope is required for the Daystar Magnesium Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Magnesium Quark is optimized for use with refracting telescopes with focal ratios between \u003cstrong\u003ef\/4 and f\/9\u003c\/strong\u003e. It is not suitable for off-axis use on reflector or Schmidt-Cassegrain telescopes. For safe operation, your refractor must be fitted with a front-mounted UV\/IR cut filter or a full-aperture Energy Rejection Filter (ERF).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an Energy Rejection Filter (ERF) with the Daystar Magnesium Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eYes, absolutely.\u003c\/strong\u003e For any refractor, a full-aperture UV\/IR cut filter or a dedicated Energy Rejection Filter (ERF) must be placed on the front of the telescope. This prevents focused heat and UV radiation from damaging the Quark's internal components and is essential for safe solar observing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I power the Daystar Magnesium Quark in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark uses a standard USB power connection (5v, 1.5amp). It includes a wall adapter, but for field use, it can be powered all day by a small, portable USB power bank, similar to one you would use to charge a smartphone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Daystar Magnesium Quark on my 8\" SCT to see chromospheric details?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The Daystar Magnesium Quark is designed specifically for use with refracting telescopes and is not suited for off-axis applications on reflectors or SCTs. Using it on an SCT would not produce an even, on-band image and would expose the filter to concentrated heat, risking damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Daystar Magnesium Quark show prominences on the solar limb with my 102mm f\/7 refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. Solar prominences are best observed in the Hydrogen-alpha spectral line. The Magnesium I wavelength observed by this Quark does not show prominences. Its strength lies in revealing different structures on the solar disk itself, such as plage and the chromospheric network.\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\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003eMagnesium I (Mg I) b2 line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.3-0.5 Å FWHM (etalon dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelecentric Barlow\u003c\/td\u003e\n\u003ctd\u003eIntegrated 4.2X, fully optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Focal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/4 - f\/9 Refractors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\" Nosepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\" with brass compression ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eUSB 5v, 1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Note\u003c\/td\u003e\n\u003ctd\u003eNot suited for off-axis applications\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\"\u003eDaystar Magnesium Quark Solar 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\"\u003e90-240VAC Wall 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\"\u003eInternational Plug Adapters\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\"\u003eTwist-Case for Storage\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_Magnesium_Quark_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":44967457128733,"sku":"DAY-DSZMG","price":2093.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Magnesium-Quark-DSZMG-1__08874.1597176103.1280.1280.jpg?v=1684342425"},{"product_id":"daystar-calcium-quark-solar-filter","title":"Daystar Calcium Quark Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eTargets the 3968.5Å Calcium H-line Wavelength\u003c\/li\u003e\n\u003cli\u003eAll-in-One Eyepiece-Style Solar Filter\u003c\/li\u003e\n\u003cli\u003eOptimized for F\/7 to F\/30 Refractor Telescopes\u003c\/li\u003e\n\u003cli\u003eIntegrated 25mm Blocking Filter\u003c\/li\u003e\n\u003cli\u003eUSB Powered (5V, 1.5A) for Field 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\u003eDaystar Calcium Quark Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Calcium Quark Solar Filter is an all-in-one eyepiece-style filter that brings the Sun's upper chromosphere into view at the 3968.5Å wavelength. Designed for refractors with focal ratios of F\/7 or longer, this unit integrates a Fabry-Perot etalon with an approximate 5Å bandpass and a 25mm blocking filter into a single 1.25\" device. It operates on standard 5V, 1.5A USB power, making it simple to deploy for detailed views of solar plage and supergranulation.\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\u003eCalcium H-Line Views at 3968.5Å: Seeing the Upper Chromosphere\u003c\/h3\u003e\n\u003cp\u003eDaystar specifically chose the Calcium H-line (3968.5Å) for this Quark to maximize visual accessibility. While the nearby K-line provides similar scientific data for imagers, its shorter wavelength is invisible to many experienced observers. The H-line offers the same high-contrast views of the upper chromosphere but at a wavelength most people can see, revealing bright plage surrounding sunspots and the intricate network of supergranulation cells across the solar disk.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for Visual Use:\u003c\/strong\u003e The Calcium H-line wavelength is more easily perceived by the human eye than the shorter K-line, opening up this dynamic solar layer to more observers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e~5Å Bandpass:\u003c\/strong\u003e The approximate 5Å Full-Width Half-Maximum (FWHM) bandpass is ideal for highlighting the high-contrast structures in the upper chromosphere without being overly restrictive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Coatings:\u003c\/strong\u003e Anti-reflective coatings are optimized for the 397nm wavelength, and internal baffles are added to maximize contrast and reveal subtle solar details.\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\u003eAll-in-One Design for F\/7-F\/30 Refractors\u003c\/h3\u003e\n\u003cp\u003eThe Quark's integrated design simplifies what was once a complex and expensive setup. By combining the etalon, adapters, and a 25mm blocking filter into a single eyepiece-sized housing, it eliminates compatibility issues and reduces weight. This system is engineered to perform best with refractors in the F\/7 to F\/30 focal ratio range, dropping directly into your 1.25\" diagonal for immediate use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope Compatibility:\u003c\/strong\u003e Optimized for refractors F\/7 and longer. For shorter focal ratio refractors, a 2x or 2.5x Tele Vue Powermate is required to bring the scope into the Quark's optimal performance range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Safety:\u003c\/strong\u003e The unit contains a 25mm blocking filter with a 21mm clear aperture. For maximum safety, Daystar recommends the use of a front-mounted UV\/IR cut filter on your telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eERF Note:\u003c\/strong\u003e The Calcium Quark is not compatible with red or yellow glass Energy Rejection Filters (ERFs). A UV\/IR cut filter is the correct accessory.\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\u003eUSB-Powered for All-Day Sessions: 5V, 1.5A Operation\u003c\/h3\u003e\n\u003cp\u003eThis filter's heating system, which is crucial for tuning the etalon to the precise 3968.5Å wavelength, runs on a standard 5V, 1.5A USB power source. This low power consumption allows you to run the Quark all day from the included universal AC wall adapter or a small, optional palm-sized USB battery pack for ultimate portability in the field. The 1.25\" barrel features a brass compression ring to securely hold your eyepiece without marring its surface.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Power:\u003c\/strong\u003e The included 90-240VAC adapter comes with international plugs, ensuring you can power the Quark anywhere.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Ready:\u003c\/strong\u003e Its ability to run off a common USB power bank frees you from needing AC power at your observing site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Storage:\u003c\/strong\u003e Every Calcium Quark ships in a durable, dust-free Twist-Case to protect the precision optics during transport and storage.\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\"\u003eWhy does the Daystar Quark use Calcium H-line instead of K-line?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDaystar chose the \u003cstrong\u003eCalcium H-line (3968.5Å)\u003c\/strong\u003e because it is more easily visible to a wider range of observers, particularly those with more life-long observing experience. The shorter wavelength of the K-line can be difficult or impossible for some people to see. The H-line provides virtually identical high-contrast views of chromospheric features like plage and supergranulation, ensuring more people can enjoy the view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill my fast f\/5 refractor work with the Daystar Calcium Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNot directly. The Calcium Quark is optimized for telescopes with a focal ratio of \u003cstrong\u003eF\/7 to F\/30\u003c\/strong\u003e. To use it with a faster telescope like an f\/5 refractor, you must use a Barlow-type lens to slow the light cone. Daystar recommends a \u003cstrong\u003e2x or 2.5x Tele Vue Powermate\u003c\/strong\u003e placed before the Quark to achieve the best performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I power the Daystar Calcium Quark in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Calcium Quark runs on standard \u003cstrong\u003eUSB power (5V, 1.5A)\u003c\/strong\u003e. While it includes a 90-240VAC wall adapter for home use, its low power draw makes it ideal for field use with a portable USB battery pack. An optional 8-hour battery pack is available, but any standard power bank that meets the 5V, 1.5A requirement will work.\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 with the Calcium Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. For safety, Daystar strongly recommends using a \u003cstrong\u003efront-mounted UV\/IR cut filter\u003c\/strong\u003e on your telescope's objective. This prevents excess heat from entering your telescope and the Quark. It is critical to note that the Calcium Quark is \u003cstrong\u003eNOT compatible with red or yellow glass Energy Rejection Filters (ERFs)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat solar features can I see with the Calcium Quark on a 100mm f\/9 refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA 100mm f\/9 refractor is an excellent match for the Calcium Quark. You can expect to see detailed views of the Sun's upper chromosphere, which appears very different from Hydrogen-alpha. Key features visible in Calcium H-line include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlage:\u003c\/strong\u003e Bright, active regions that often surround sunspot groups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupergranulation:\u003c\/strong\u003e A network of large-scale convection cells that cover the entire solar disk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunspots:\u003c\/strong\u003e The umbra and penumbra of sunspots are visible, often with surrounding bright plage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlares:\u003c\/strong\u003e Very bright, eruptive events can sometimes be witnessed in this wavelength.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Calcium Quark include a built-in Barlow lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the Daystar Calcium Quark does not contain any Barlow or focusing elements. It is a dedicated filtering device. You will use your own eyepieces for magnification and your telescope's focuser to achieve a sharp 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\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eCalcium H-line \"Eyepiece\" Quark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e3968.5Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandpass (FWHM)\u003c\/td\u003e\n\u003ctd\u003eApproximately 5Å\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning\u003c\/td\u003e\n\u003ctd\u003eHeated Fabry-Perot Etalon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Telescope Type\u003c\/td\u003e\n\u003ctd\u003eRefractors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Focal Ratio\u003c\/td\u003e\n\u003ctd\u003eF\/7 - F\/30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Filter\u003c\/td\u003e\n\u003ctd\u003eIntegrated 25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClear Aperture\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Barrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece Holder\u003c\/td\u003e\n\u003ctd\u003eBrass Compression Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eUSB 5V, 1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Power Adapter\u003c\/td\u003e\n\u003ctd\u003e90-240VAC Wall Adapter w\/ International Plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVendor Part Number\u003c\/td\u003e\n\u003ctd\u003eCALCIUM QUARK\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\"\u003eDaystar Calcium Quark Solar 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\"\u003e90-240VAC USB Power 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\"\u003eInternational Plug Set\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\"\u003eTwist-Case Storage Container\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_Quark_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":44967457194269,"sku":"DAY-DSZCH","price":1813.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Calcium-Quark-DSZCH-1__84784.1597175942.1280.1280.jpg?v=1684342409"},{"product_id":"daystar-battery-pack-for-quark-22-4ah","title":"Daystar Battery Pack for Quark - 22.4ah","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e22.4ah Capacity\u003c\/li\u003e\n\u003cli\u003e5V DC Output\u003c\/li\u003e\n\u003cli\u003eDual USB Ports (1A and 2A)\u003c\/li\u003e\n\u003cli\u003eDesigned for Daystar Quark Filters\u003c\/li\u003e\n\u003cli\u003eIncludes Power and Charging Cables\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\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 Battery Pack for Quark - 22.4ah\u003c\/h2\u003e\n      \u003cp\u003eThe Daystar Battery Pack for Quark delivers 22.4ah of portable power, specifically designed to run any Daystar Quark solar filter at its required 5V. With a high-current 2A output port, it supplies the necessary 1.5 amps your Quark requires for stable heating, while a secondary 1A port offers additional flexibility for other field accessories.\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\u003eAll-Day Power for Your Quark: 22.4ah Capacity\u003c\/h3\u003e\n      \u003cp\u003eThis 22.4 amp-hour capacity provides more than enough power to run a Daystar Quark filter for a full day of solar observation and imaging. Since a Quark draws approximately 1.5 amps to maintain its etalon temperature, this pack ensures your filter remains stable from sunrise to sunset without needing a recharge in the field.\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\u003eDual Outputs for Field Flexibility: 5V at 1A and 2A\u003c\/h3\u003e\n        \u003cp\u003eThe battery pack features two USB output ports: one rated for 1A and another for 2A. To ensure your Quark receives sufficient current for its precision heating element to function correctly, you must connect it to the designated 2A output port.\u003c\/p\u003e\n        \u003cul\u003e\n            \u003cli\u003e\n\u003cstrong\u003eDedicated 2A Port:\u003c\/strong\u003e Guarantees the 1.5 amps needed for the Quark's internal etalon heater to maintain its precise bandpass for high-contrast views.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eStandard 1A Port:\u003c\/strong\u003e Available to power or charge a smartphone or other small 5V accessory while you observe.\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\"\u003eHow long will the 22.4ah Daystar Battery Pack run my Quark filter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Daystar 22.4ah Battery Pack provides enough power for over a full day of continuous use. A Daystar Quark draws about 1.5 amps, and the pack's capacity ensures it will not run out of power during an extended observing session or solar event.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhich USB port should I use for my Daystar Quark?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYou must use the \u003cstrong\u003e2A output port\u003c\/strong\u003e for your Daystar Quark. The 1A port does not supply enough current for the Quark's internal heater to operate correctly, which is critical for maintaining the filter's narrow bandpass and achieving high-contrast 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 Battery Pack to charge other devices?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. While the 2A port is occupied by the Quark, the secondary 1A port can be used to charge a phone or power another small 5V USB accessory in the field.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eI'm planning to observe an entire solar eclipse with my Quark. Is the Daystar 22.4ah Battery Pack sufficient?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eAbsolutely. A solar eclipse lasts several hours, and this 22.4ah battery pack is designed to power a Quark for more than a full day. You will have continuous, stable power for the entire event without any risk of interruption.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Daystar battery work with my Lunt solar telescope or just the Quark?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis battery pack is specifically designed to provide the \u003cstrong\u003e5V USB power\u003c\/strong\u003e required by Daystar Quark filters. It is not intended to power telescope mounts or other solar telescopes, like those from Lunt, which typically require 12V DC power from a different type of power source.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Daystar Battery Pack for Quark come with all the necessary cables?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the package includes the cables required to charge the battery pack itself and the specific power cable needed to connect it to your Daystar Quark filter.\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\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e22.4 Amp Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOutput Ports\u003c\/td\u003e\n\u003ctd\u003e1x USB 2A, 1x USB 1A\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDaystar Filters Quark Solar 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    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eDaystar 22.4ah Battery Pack\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\"\u003ePower Cable for Quark\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\"\u003eCharging Cable for Battery Pack\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\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":44967457259805,"sku":"DAY-QBP30","price":147.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Battery-Pack-QBP30__06262.1597175677.1280.1280.jpg?v=1684342412"},{"product_id":"daystar-quark-universal-ac-power-supply","title":"Daystar Quark Universal AC Power Supply","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eOfficial power supply for all Daystar Quark models\u003c\/li\u003e\n\u003cli\u003eEnsures stable power for precise etalon heating\u003c\/li\u003e\n\u003cli\u003eUniversal voltage compatibility for international use\u003c\/li\u003e\n\u003cli\u003eIncludes a full set of interchangeable plug adapters\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\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 Quark Universal AC Power Supply\u003c\/h2\u003e\n\u003cp\u003eEnsure your Daystar Quark filter operates with consistent, stable power using the official Daystar Quark Universal AC Power Supply. This kit delivers the correct power to maintain the precise thermal regulation required for high-contrast solar observation. A full set of international plug adapters makes it the ideal solution for travel and use with any standard wall outlet worldwide.\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 Power for Your Daystar Quark\u003c\/h3\u003e\n\u003cp\u003eThe Daystar Quark's performance is critically dependent on maintaining a stable internal temperature. This official AC power supply is engineered to deliver the steady current needed by the Quark's heating element, ensuring the etalon remains precisely on-band for the highest fidelity views of solar prominences and surface details.\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\u003eWorldwide Compatibility for Solar Astronomy Anywhere\u003c\/h3\u003e\n\u003cp\u003eDesigned for the traveling astronomer, this power supply automatically adapts to international mains voltages. The kit comes complete with interchangeable plug adapters for outlets in virtually any country, eliminating the need to source a separate power converter when observing abroad or attending international star parties.\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 do I need the official Daystar Quark Universal AC Power Supply?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quark requires a specific, stable power source to run its internal heating element correctly. Using the official supply ensures the filter receives the clean power it needs for precise thermal regulation, which is essential for keeping the filter on-band. Generic adapters can provide unstable power, leading to poor solar views and potentially damaging the Quark's sensitive electronics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar Quark power supply compatible with my Quark Chromosphere model?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this Universal AC Power Supply is designed to work with all Daystar Quark models, including the Chromosphere, Prominence, and Sodium versions. It provides the correct power specifications for any filter in the Quark product line.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm traveling to Europe for an eclipse. Will this Daystar power supply work there?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The Daystar Quark Universal AC Power Supply is designed specifically for international travel. It handles a wide range of input voltages and includes a set of interchangeable plug adapters, so you can connect to standard European wall outlets without needing any other converters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat happens if I use a different power supply with my Daystar Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eUsing an incompatible or low-quality power supply can cause several issues. It can lead to improper heating of the etalon, causing the filter to drift off its target wavelength and resulting in a loss of solar detail. In a worst-case scenario, an incorrect power source could damage the Quark's internal electronics, which would not be covered under warranty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Daystar Quark Universal AC Power Supply kit include everything I need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the kit is a complete solution for powering your Quark from any standard AC wall outlet. It includes the power supply itself and a full set of plug adapters for use in North America, Europe, the UK, Australia, and other regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I power my Daystar Quark from a field battery with this adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this is an AC power supply designed for wall outlets only. To power your Quark from a battery in the field, you would need a portable power station with a built-in AC inverter or a separate compatible DC power solution from Daystar.\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\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":44967457325341,"sku":"DAY-Q5VPS","price":63.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Q5VPS__06402.1597175566.1280.1280.jpg?v=1684342414"},{"product_id":"daystar-quark-usb-power-extension-cable","title":"Daystar Quark USB Power Extension Cable","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e10 ft Cable Length\u003c\/li\u003e\n\u003cli\u003eFull 2.1 AMP Support\u003c\/li\u003e\n\u003cli\u003eHeavy-Gauge 24 AWG Shielded Wire\u003c\/li\u003e\n\u003cli\u003eUSB-A to Micro-B Connectors\u003c\/li\u003e\n\u003cli\u003eDesigned for Daystar Quark Filters\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\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 Quark USB Power Extension Cable\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark USB Power Extension Cable delivers reliable 2.1 AMPS over a full 10 ft length, ensuring your Quark filter maintains stable power for consistent on-band performance. Constructed with heavy-duty 24 AWG shielded wire, this USB 2.0 A Male to Micro B cable is specifically designed to prevent the voltage drop and interference that can plague standard consumer-grade cables during critical solar imaging 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\u003eReliable 10 ft Power with 2.1 AMP Support for Daystar Quark\u003c\/h3\u003e\n\u003cp\u003eA Daystar Quark's internal etalon requires precise, stable heating to stay on the hydrogen-alpha bandpass, and any interruption or drop in power can cause it to drift. This 10 ft cable provides the length needed to comfortably route power from your battery pack to the telescope without creating a snag hazard, while its certified 2.1 AMP support ensures it can handle the current draw from modern high-capacity USB power sources without overheating or failing.\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 Cable vs. Generic USB: Why 24 AWG Shielded Wire Matters\u003c\/h3\u003e\n\u003cp\u003eUnlike thin, unshielded charging cables designed for phones, this Daystar cable uses a heavy 24 AWG (American Wire Gauge) conductor with aluminum foil shielding and a drain wire. This robust construction is critical for preventing voltage drop over its 10 ft length, a common failure point for generic cables that leads to the Quark resetting or failing to maintain temperature. The shielding also protects the power signal from radio frequency interference (RFI) generated by other electronics at your observing site, ensuring clean, stable power delivery.\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 do I need this specific Daystar cable for my Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quark requires consistent, stable power to keep its internal etalon at the precise temperature for on-band viewing. This cable is built with heavy \u003cstrong\u003e24 AWG shielded wire\u003c\/strong\u003e to prevent voltage drop over its \u003cstrong\u003e10 ft length\u003c\/strong\u003e, a problem that causes generic cables to fail and your Quark to drift off-band.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill a standard 10 ft USB cable work with my Daystar Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt might work intermittently, but it is not recommended. Most consumer-grade 10 ft USB cables use very thin wire and lack proper shielding, leading to significant voltage drop. This can prevent the Quark from reaching or holding its operating temperature, resulting in a poor or nonexistent solar view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the 2.1 AMP rating on the Daystar Quark cable mean for my power source?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e2.1 AMP\u003c\/strong\u003e rating means the cable is designed to safely handle the current from modern high-output USB power banks and chargers. Using a power source rated for at least 2.1 Amps with this cable ensures the Quark receives sufficient power to heat up quickly and remain stable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this Daystar Quark USB cable to power other astronomy devices?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. While designed for the Quark, this is a high-quality USB 2.0 A Male to Micro B cable. It can be used to reliably power any astronomy accessory with a Micro B port that requires stable 5V power, such as a dew heater controller or a small camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm imaging a full solar disk with my Daystar Quark in an 80mm refractor. Why is this 10 ft cable better than a shorter one?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e10 ft length\u003c\/strong\u003e provides crucial flexibility at the telescope. It allows you to place your power bank on the ground or an accessory tray, away from the optical tube, preventing the weight of the battery from affecting the mount's balance. It also reduces the risk of snagging a short cable while the telescope is slewing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I only have a generic USB cable for my Daystar Quark, what problems might I see on a solar prominence?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith an unstable power supply from a generic cable, the Quark's heater may cycle improperly. This would cause the view of a solar prominence to flicker, fade, or disappear entirely as the filter drifts off the H-alpha bandpass. The robust \u003cstrong\u003e24 AWG\u003c\/strong\u003e construction of the official Daystar cable prevents this issue.\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\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e10 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Support\u003c\/td\u003e\n\u003ctd\u003e2.1 AMPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Gauge\u003c\/td\u003e\n\u003ctd\u003e24 AWG TC \u0026amp; AI foil \u0026amp; drain wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector 1\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0 A Male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector 2\u003c\/td\u003e\n\u003ctd\u003eMicro B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVendor Catalogue Listing\u003c\/td\u003e\n\u003ctd\u003eQuark USB Power Extension Cable\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\"\u003eDaystar Quark USB Power Extension Cable (10 ft)\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\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":44967457358109,"sku":"DAY-USB2CBL","price":25.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-USB2CBL__37014.1597175433.1280.1280.jpg?v=1684342415"},{"product_id":"daystar-eyepiece-holder-for-quark-2","title":"Daystar Eyepiece Holder for Quark - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts Daystar Quark filters for use with 2\" eyepieces\u003c\/li\u003e\n\u003cli\u003eMaximizes the field of view for full-disk solar observation\u003c\/li\u003e\n\u003cli\u003eFeatures a non-marring brass compression ring to protect eyepiece barrels\u003c\/li\u003e\n\u003cli\u003eInstalls directly onto the Quark's standard threads with no additional adapters\u003c\/li\u003e\n\u003cli\u003eSimple thumbscrew design for secure locking\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 Eyepiece Holder for Quark - 2\"\u003c\/h2\u003e\n\u003cp\u003eExpand your solar observing experience by upgrading your Daystar Quark to accept 2\" eyepieces with the Daystar 2\" Eyepiece Holder. This simple, direct-fit adapter replaces the standard 1.25\" holder, unlocking the ability to use long focal length, wide-field eyepieces for breathtaking, full-disk views 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\u003eUpgrade Your Quark for 2\" Eyepieces\u003c\/h3\u003e\n\u003cp\u003eThe primary purpose of the Daystar Quark is high-magnification solar detail, but this 2\" Eyepiece Holder transforms its capability. By swapping out the stock 1.25\" holder, you can now use eyepieces like the Tele Vue 55mm Plössl to achieve the widest possible field of view, allowing you to frame the entire solar disk and its surrounding prominences in a single, immersive view. Installation is a simple matter of unthreading the original holder and threading this one on, using the Quark's standard threads without any extra 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\u003eSecure, Non-Marring Brass Compression Ring\u003c\/h3\u003e\n\u003cp\u003eTo protect your investment in 2\" eyepieces, this holder features a brass compression ring clamp. Unlike basic set screws that can scratch and dent the barrels of your eyepieces, the brass ring provides a firm, even grip around the entire circumference. A single, easy-to-use thumbscrew tightens the ring, ensuring your eyepiece is held securely and perfectly centered in the optical path without causing any cosmetic damage.\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 use the Daystar 2\" Eyepiece Holder instead of the standard 1.25\" holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe standard 1.25\" holder limits your maximum true field of view. The \u003cstrong\u003eDaystar 2\" Eyepiece Holder\u003c\/strong\u003e allows you to use low-power, 2\" eyepieces, which are necessary to see the entire solar disk at once in many longer focal length telescopes. It's the ideal accessory for observers who want both high-power detail and wide-field context views.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar 2\" Eyepiece Holder compatible with all Quark models?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. This holder is designed with the standard Quark threading and is compatible with all Daystar Quark models, including the Hydrogen-alpha, Calcium H-line, Sodium, and Magnesium versions. It is a direct replacement for the 1.25\" holder that ships with every Quark.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the benefit of the brass compression ring on this holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe brass compression ring provides a more secure and safer way to hold your eyepieces. A simple set screw puts all the pressure on a single point, which can scratch the eyepiece barrel and cause it to tilt slightly. The \u003cstrong\u003ebrass ring\u003c\/strong\u003e distributes the pressure evenly, preventing damage and ensuring better optical alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill I need any other adapters to install the Daystar 2\" Eyepiece Holder on my Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The holder is designed to thread directly onto the Daystar Quark body after you remove the original 1.25\" eyepiece holder. No additional adapters or tools are required for the installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich eyepieces work best for viewing the full solar disk with the Daystar 2\" Holder and a 1000mm focal length refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo frame the entire sun, you need a low-power eyepiece. With a 1000mm telescope, a long focal length 2\" eyepiece like a \u003cstrong\u003eTele Vue 55mm Plössl\u003c\/strong\u003e or a 41mm Panoptic is recommended. These will provide the wide true field of view necessary to fit the full solar disk and prominences into the view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes using a heavy 2\" eyepiece with the Daystar Quark affect my telescope's balance?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it's a critical consideration. Large 2\" eyepieces can be significantly heavier than 1.25\" eyepieces. When you switch to the \u003cstrong\u003eDaystar 2\" Holder\u003c\/strong\u003e and a heavy eyepiece, you will likely need to rebalance your telescope by sliding the optical tube forward or adjusting counterweights to prevent tracking errors and strain on your mount.\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\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":44967457390877,"sku":"DAY-SZ1D2","price":91.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-SZ1D2__44323.1597175225.1280.1280.jpg?v=1684342417"},{"product_id":"daystar-quark-to-c-adapter","title":"Daystar Quark to C adapter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDirect C-Mount Threading for Daystar Quark\u003c\/li\u003e\n\u003cli\u003eAdds 10mm of Optical Path Length\u003c\/li\u003e\n\u003cli\u003eInternal Knife-Edge Baffles for Maximum Contrast\u003c\/li\u003e\n\u003cli\u003eLightweight 0.06 lb Anodized Aluminum Construction\u003c\/li\u003e\n\u003cli\u003eCompatible with C-thread Interference Eliminator\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\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 Quark to C adapter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark to C adapter provides a rigid, direct-thread connection for C-mount cameras, adding just 10mm of optical path length (19mm overall). Weighing only 0.06 lb, this lightweight anodized black adapter ensures a secure imaging train without introducing flexure or tilt.\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\u003eRigid, Baffled Connection: 10mm of Secure C-Mount Spacing\u003c\/h3\u003e\n\u003cp\u003eThis adapter creates a secure, threaded link between your Daystar Quark and any C-mount camera, eliminating the potential for tilt or sag common with slip-fit or compression ring adapters. Internal knife-edge baffles are machined to trap stray light, ensuring maximum image contrast by preventing internal reflections from reaching the sensor.\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\u003eSolving Newton's Rings: Compatibility with the C-thread Interference Eliminator\u003c\/h3\u003e\n\u003cp\u003eSolar imagers often encounter Newton's rings—concentric interference patterns caused by nearly parallel optical surfaces. This adapter is fully compatible with Daystar's C-thread Interference Eliminator (sold separately), which is the recommended solution for mitigating this distracting artifact and achieving clean, high-contrast solar images.\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 primary purpose of the Daystar Quark to C adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quark to C adapter is designed to create a direct, secure threaded connection between a Daystar Quark solar filter and a camera that uses C-mount threads. This provides a rigid imaging train, which is critical for high-resolution solar photography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Daystar Quark to C adapter improve image quality?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBeyond providing a rigid, tilt-free connection, the adapter features \u003cstrong\u003einternal knife-edge baffles\u003c\/strong\u003e. These baffles are designed to trap stray light and prevent internal reflections, which significantly improves image contrast by darkening the background sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this adapter solve Newton's rings in my solar images?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, not by itself. This adapter is designed to be \u003cstrong\u003ecompatible with Daystar's C-thread Interference Eliminator\u003c\/strong\u003e (sold separately), which is the component that actually corrects for Newton's rings. The adapter provides the correct threading and spacing to place the Interference Eliminator in your imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the optical path length added by the Daystar Quark to C adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter adds \u003cstrong\u003e10mm of optical path length\u003c\/strong\u003e from flange to flange. The total physical length of the adapter is 19mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm using a ZWO ASI174MM with my Quark for H-alpha imaging. Is this the right adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The ZWO ASI174MM is a popular solar imaging camera that uses C-mount threads when its 1.25\" nosepiece is removed. This adapter will allow you to thread the ASI174MM camera body directly to your Quark for a very secure connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I see banding patterns when imaging the Sun's chromosphere with my Quark, will this adapter help?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe banding patterns, often called Newton's rings, are a common issue in H-alpha imaging. This adapter is the first step to solving them, as it allows you to integrate the \u003cstrong\u003eC-thread Interference Eliminator\u003c\/strong\u003e into your setup. The combination of this adapter and the Interference Eliminator is the recommended solution.\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\u003eCamera Connection\u003c\/td\u003e\n\u003ctd\u003eC-mount threads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eDaystar Quark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength (Flange-to-Flange)\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength (Overall)\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Design\u003c\/td\u003e\n\u003ctd\u003eKnife-edge baffles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAnodized Black Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.06 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e0.5 lb\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\"\u003eQuark to C adapter\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\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":44967457456413,"sku":"DAY-SZ1C","price":83.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-SZ1C-1__27575.1597175115.1280.1280.jpg?v=1684342420"},{"product_id":"daystar-quark-to-t-adapter","title":"Daystar Quark to T adapter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects T-thread cameras directly to a Daystar Quark\u003c\/li\u003e\n\u003cli\u003eAdds 10mm of spacing (flange-to-flange)\u003c\/li\u003e\n\u003cli\u003eInternal knife-edge baffles reduce reflections\u003c\/li\u003e\n\u003cli\u003eRigid, direct-thread connection prevents flexure\u003c\/li\u003e\n\u003cli\u003eLightweight design at only 0.06 lb\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 Quark to T adapter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark to T adapter provides a rigid, direct-thread connection for your imaging camera, with a precise 10mm flange-to-flange length for a minimal profile. Weighing just 0.06 lb and featuring an overall length of 19mm, this adapter ensures a secure, flex-free fit between your Quark and T-thread camera, which is critical for sharp 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\u003eThe 10mm Rigid T-Thread Connection\u003c\/h3\u003e\n\u003cp\u003eThis adapter gives imagers a solid, threaded mounting solution, replacing eyepiece holders that can introduce tilt or flexure from thumbscrews and compression rings. The direct T-thread connection ensures your camera sensor remains perfectly parallel to the focal plane. The 10mm flange-to-flange distance provides a compact and stable link in your imaging train.\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\u003eBaffled for High-Contrast Solar Imaging\u003c\/h3\u003e\n\u003cp\u003eTo deliver the best possible contrast, the adapter's interior is machined with knife-edge baffles. These sharp ridges are designed to trap stray light and eliminate internal reflections that can wash out faint prominences and delicate chromospheric texture. This meticulous design detail is essential for pulling maximum detail from the solar surface.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNewton's Rings Mitigation:\u003c\/strong\u003e The adapter is fully compatible with Daystar's T-thread Interference Eliminator, which is highly recommended for removing the banding artifacts common in monochromatic solar imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Finish:\u003c\/strong\u003e The black anodized finish further reduces reflections and protects the adapter from wear.\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 primary purpose of the Daystar Quark to T adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar Quark to T adapter is designed for astro-imagers. It allows you to securely attach a camera with standard T-threads (M42x0.75) directly to the Daystar Quark, creating a rigid connection that prevents camera sag or tilt.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Daystar Quark to T adapter improve solar images?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter improves images in two ways. First, its \u003cstrong\u003erigid connection\u003c\/strong\u003e prevents flexure, keeping the camera sensor perfectly aligned. Second, its internal \u003cstrong\u003eknife-edge baffles\u003c\/strong\u003e trap stray light, significantly increasing image contrast by reducing internal reflections and glare.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the exact spacing provided by the Daystar Quark to T adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe adapter adds exactly \u003cstrong\u003e10mm\u003c\/strong\u003e of length, measured from flange to flange. The total physical length of the adapter is 19mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need the Interference Eliminator with the Daystar Quark to T adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile not required for the adapter to function, the Daystar Interference Eliminator is highly recommended. This accessory threads in-line and is designed to remove \"Newton's rings,\" a common banding artifact seen in highly coherent, monochromatic light from a Quark. The adapter is fully compatible with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm using a ZWO ASI174MM camera with my Quark. Will this Daystar adapter connect them securely?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The ZWO ASI174MM, like most dedicated astronomy cameras, uses standard T-threads (M42x0.75). This Daystar adapter will thread directly onto your camera and into the Quark for a secure, rigid imaging train ideal for high-frame-rate solar imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Daystar adapter help reduce reflections when imaging bright solar prominences?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. That is one of its primary design features. The internal knife-edge baffles are specifically engineered to trap off-axis light and internal reflections, which is critical for maintaining high contrast and seeing faint details in prominences against the blackness of space.\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\u003eConnection to Camera\u003c\/td\u003e\n\u003ctd\u003eT-Thread (M42x0.75)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection to Quark\u003c\/td\u003e\n\u003ctd\u003eQuark Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength (Flange to Flange)\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.06 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Baffling\u003c\/td\u003e\n\u003ctd\u003eKnife-Edge Baffles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eAnodized Black\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\"\u003eDaystar Quark to T adapter\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\/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":44967457554717,"sku":"DAY-SZ1T","price":83.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-SZ1T-1__89799.1597174983.1280.1280.jpg?v=1684342423"},{"product_id":"daystar-quark-to-c-and-quark-to-t-adapter-bundle","title":"Daystar Quark to C and Quark to T adapter Bundle","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eIncludes both C-thread and T-thread adapters for Daystar Quark filters\u003c\/li\u003e\n\u003cli\u003eProvides a rigid, direct-thread connection to eliminate camera tilt and flexure\u003c\/li\u003e\n\u003cli\u003eFeatures internal knife-edge baffles for superior contrast\u003c\/li\u003e\n\u003cli\u003eCompatible with the Daystar Interference Eliminator to reduce Newton's rings\u003c\/li\u003e\n\u003cli\u003eFinished in durable, non-reflective anodized black\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\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 Quark to C and Quark to T adapter Bundle\u003c\/h2\u003e\n\u003cp\u003eFor solar imagers using multiple cameras, the Daystar Quark to C and Quark to T adapter Bundle creates a secure, direct-thread connection for both common imaging systems. This two-adapter set is a cost-effective solution that eliminates flexure by rigidly mounting your C-thread or T-thread camera directly to the Daystar Quark, ensuring perfect and repeatable optical alignment for every 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\u003eSecure Camera Mounting: The Daystar C-Thread and T-Thread Solution\u003c\/h3\u003e\n\u003cp\u003eThis bundle provides both of Daystar's essential Quark adapters, allowing you to seamlessly switch between different imaging cameras without changing your setup. Whether you are using a dedicated planetary camera with C-threads or a DSLR\/mirrorless camera with a standard T-ring, these adapters form a solid, threaded connection that is far more stable than a simple nosepiece and thumbscrew arrangement.\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\u003eOptical Path Optimization: Knife-Edge Baffles for Maximum Contrast\u003c\/h3\u003e\n\u003cp\u003eInside each adapter, knife-edge baffles are machined to trap stray light and prevent internal reflections from degrading your image. This design detail is critical in high-contrast solar imaging, helping to darken the sky background and reveal finer details in prominences and surface granulation. The adapters are also fully compatible with the Daystar Interference Eliminator, which is recommended for mitigating Newton's rings that can appear with some camera and sensor combinations.\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 benefit of the Daystar Quark adapter bundle?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary benefit is versatility and value. This bundle includes both the C-thread and T-thread adapters, allowing you to rigidly connect nearly any type of astronomy camera to your Daystar Quark. Buying the bundle is more cost-effective than purchasing each adapter separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich cameras can I connect to my Quark with this Daystar adapter bundle?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis bundle allows you to connect two main classes of cameras:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eC-thread Cameras:\u003c\/strong\u003e Most dedicated high-frame-rate planetary, lunar, and solar cameras from brands like ZWO, QHY, and Player One use a C-mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-thread Cameras:\u003c\/strong\u003e Any camera that can be fitted with a standard T-ring (M42x0.75 thread), such as DSLRs, mirrorless cameras, and many larger-format astronomy cameras.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI use a ZWO ASI camera with a C-mount and a DSLR with a T-ring for solar imaging. Will this Daystar bundle work for both?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this bundle is the perfect solution for your exact situation. You can use the C-thread adapter for your ZWO camera and the T-thread adapter for your DSLR with its T-ring, ensuring a solid, threaded connection for both of your imaging setups with your Daystar Quark.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do the 'knife-edge baffles' inside the Daystar Quark adapters do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eKnife-edge baffles\u003c\/strong\u003e are a series of sharp, concentric rings machined into the adapter's interior. Their purpose is to catch and absorb off-axis stray light that enters the adapter, preventing it from reflecting off the internal walls and reaching the camera sensor. This significantly improves image contrast, which is crucial for observing subtle solar features.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm seeing a strange banding pattern in my solar images with my Daystar Quark. Will these adapters help?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe banding pattern you're describing is likely \"Newton's rings,\" an interference pattern. While these adapters themselves don't eliminate it, they are designed to be fully compatible with the \u003cstrong\u003eDaystar Interference Eliminator\u003c\/strong\u003e. Daystar recommends using the Interference Eliminator in your imaging train to remove this specific artifact.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do these Daystar adapters improve the rigidity of my imaging train?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese adapters create a direct, metal-on-metal threaded connection between the Daystar Quark and your camera body or T-ring. This is much more secure than inserting a 1.25\" nosepiece into a holder and securing it with a thumbscrew, a method prone to slight tilt or \"slop\" that can ruin focus and alignment across the sensor.\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\u003eAdapter 1\u003c\/td\u003e\n\u003ctd\u003eConnects Daystar Quark to C-thread (1\"-32 TPI) cameras\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter 2\u003c\/td\u003e\n\u003ctd\u003eConnects Daystar Quark to T-thread (M42x0.75) cameras\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Baffling\u003c\/td\u003e\n\u003ctd\u003eKnife-edge baffles for stray light suppression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial \/ Finish\u003c\/td\u003e\n\u003ctd\u003eBlack Anodized Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDaystar Interference Eliminator\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\"\u003eQuark to C-thread 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\"\u003eQuark to T-thread Adapter\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\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":44967457620253,"sku":"DAY-SZ1CT","price":97.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-SZ1CT__22410.1597174816.1280.1280.jpg?v=1684342428"},{"product_id":"daystar-quark-2-1-25-male-silver-snout-pack-for-camera-quark-or-scout","title":"Daystar Quark 2\"\/1.25\" Male Silver Snout Pack for Camera Quark or Scout","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eProvides both 1.25\" and 2\" male snouts for universal focuser compatibility\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Daystar Camera Quark and Scout models\u003c\/li\u003e\n\u003cli\u003eSecurely screws onto the front threads of the Quark body\u003c\/li\u003e\n\u003cli\u003eEnables use of your solar imager on any standard astronomical telescope\u003c\/li\u003e\n\u003cli\u003eDurable, machined silver construction\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\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 Quark 2\"\/1.25\" Male Silver Snout Pack for Camera Quark or Scout\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark 2\"\/1.25\" Male Silver Snout Pack provides essential telescope compatibility for your Camera Quark or Scout, including one SZ41 1.25\" snout and one SZ42 2\" snout. This pack is the required accessory to mount your Daystar solar imager onto any astronomical telescope, allowing you to switch between different instruments seamlessly.\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\u003eConnect Your Quark to Any 1.25\" or 2\" Focuser\u003c\/h3\u003e\n\u003cp\u003eThis snout pack is the dedicated interface for mounting a Daystar Camera Quark or Scout solar observer onto a standard astronomical telescope. By threading directly onto the front of the Quark body, these snouts create a secure, male barrel that inserts firmly into any 1.25\" or 2\" focuser drawtube.\u003c\/p\u003e\n\u003cp\u003eThe pack includes both the SZ41 1.25\" snout and the SZ42 2\" snout, ensuring you have the correct size for any telescope in your collection, from portable refractors to large observatory SCTs. This eliminates the need for separate adapters and guarantees a solid mechanical connection for solar imaging and observation.\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 purpose of the Daystar Quark 2\"\/1.25\" Snout Pack?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis pack allows you to connect a Daystar \u003cstrong\u003eCamera Quark\u003c\/strong\u003e or \u003cstrong\u003eScout\u003c\/strong\u003e model to a standard astronomical telescope focuser. It includes both 1.25\" and 2\" male snouts to fit virtually any telescope, providing the necessary mechanical interface for solar imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Daystar Quark Snout Pack work with the original eyepiece Quark?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this pack is designed specifically for the front threads of the \u003cstrong\u003eCamera Quark\u003c\/strong\u003e and \u003cstrong\u003eScout\u003c\/strong\u003e models. The classic eyepiece Quark has a different body design and does not use these front-mounted snouts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install a snout from the Daystar Quark Snout Pack?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstallation is simple. You select the correct size snout (1.25\" or 2\") for your telescope's focuser and screw it directly onto the front female threads of your Camera Quark or Scout body until it is snug.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI have a small 80mm refractor with a 1.25\" focuser. Which piece from the Daystar Quark Snout Pack do I use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor your 80mm refractor, you will use the \u003cstrong\u003eSZ41 1.25\" male snout\u003c\/strong\u003e. It threads onto your Camera Quark and inserts directly into your telescope's 1.25\" focuser, providing a secure connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I upgrade to a Celestron EdgeHD 8\" with a 2\" focuser, can I still use my Camera Quark with this Daystar Quark Snout Pack?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. The pack includes the \u003cstrong\u003eSZ42 2\" male snout\u003c\/strong\u003e for this exact situation. You would simply unscrew the 1.25\" snout and attach the 2\" version to adapt your Camera Quark for the larger focuser on your EdgeHD 8\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Daystar Quark Snout Pack include both sizes, or do I have to choose one?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe pack includes both. You receive one 1.25\" snout and one 2\" snout, so you are prepared for any standard telescope focuser without needing to make a separate purchase.\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\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":44967457718557,"sku":"DAY-SZ12","price":111.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-SZ12__94940.1597174676.1280.1280.jpg?v=1684342429"},{"product_id":"daystar-nikon-lens-to-quark-adapter","title":"Daystar Nikon Lens to Quark Adapter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts Nikon-mount lenses to Daystar Quark Solar Filters\u003c\/li\u003e\n\u003cli\u003eEnables H-alpha solar viewing and imaging with telephoto lenses\u003c\/li\u003e\n\u003cli\u003eAllows lens's zoom feature to be used for variable magnification\u003c\/li\u003e\n\u003cli\u003eIntegrated mounting foot with tripod threads and Vixen-style dovetail\u003c\/li\u003e\n\u003cli\u003eFully manual adapter with no electronic pass-through\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 Nikon Lens to Quark Adapter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Nikon Lens to Quark Adapter directly connects your Nikon-mount SLR or DSLR lens to a Daystar QUARK solar filter. This single component converts your existing camera optics into a dedicated Hydrogen-Alpha solar telescope, enabling you to use either an eyepiece for direct viewing or a camera 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\u003eTransform Your Nikon Lens into a Hydrogen-Alpha Solar Telescope\u003c\/h3\u003e\n\u003cp\u003eThis adapter unlocks the solar imaging potential of your telephoto lenses. By integrating a Daystar QUARK filter (required, sold separately) with your Nikon lens, you can observe and capture detailed views of the sun's chromosphere. The zoom function of your lens becomes your magnification control, allowing you to go from wide-field views of the full solar disk to high-power close-ups of prominences and surface details instantly.\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\u003eVersatile Mounting for Tripods and Telescope Mounts\u003c\/h3\u003e\n\u003cp\u003eThe adapter includes an integrated, reversible mounting foot designed for stability and flexibility. One side provides standard threaded holes for direct attachment to photographic tripods, while the other side features a dovetail bar compatible with common astronomical mounts. This dual-purpose design ensures you can mount your lens-based solar telescope securely on virtually any support platform you own.\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\u003eUnderstanding Lens Compatibility and Manual Operation\u003c\/h3\u003e\n\u003cp\u003eThis is a fully manual adapter with no electronic pass-through, meaning you will control focus and aperture directly on the lens itself. While designed to work with a wide variety of Nikon-style lenses, focus and physical clearance are not guaranteed for every model. For lenses with large front elements, Daystar recommends using a front-mounted colored glass energy rejection filter to manage heat.\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 do I need besides the Daystar Nikon Lens to Quark Adapter to view the sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou will need three key components: a \u003cstrong\u003eNikon-mount camera lens\u003c\/strong\u003e, a \u003cstrong\u003eDaystar QUARK solar filter\u003c\/strong\u003e (either eyepiece or camera version), and either an \u003cstrong\u003eeyepiece\u003c\/strong\u003e for visual use or a \u003cstrong\u003ecamera body\u003c\/strong\u003e for imaging. You will also need a stable tripod or astronomical mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use autofocus or change the aperture with my camera body using this adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The adapter is a purely mechanical connection and does not have any electronic contacts. All focus adjustments and aperture changes must be made manually using the rings on the lens itself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the zoom on my Nikon lens affect my view of the sun with the Quark adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe zoom feature acts as your variable magnification. Zooming out provides a wide-field view, potentially showing the entire solar disk, which is ideal for observing full-disk phenomena and framing prominences. Zooming in increases magnification for detailed, high-power views of specific features like sunspots, filaments, and plages.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI have a Nikon 70-200mm lens. How would I use it with the Daystar adapter to see solar prominences?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAfter attaching your 70-200mm lens to the Quark via this adapter, you would start at the 70mm setting to locate and center the sun. Then, you would zoom in towards 200mm to increase the image scale, making the delicate prominences along the sun's limb larger and more detailed. All focusing would be done manually with the lens's focus ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Daystar adapter work with my vintage manual-focus Nikon 300mm AI-s lens on a Vixen-style mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is an excellent use case. Since the adapter is fully manual, it's perfectly suited for older manual-focus lenses like the Nikon AI-s series. The integrated Vixen-style dovetail on the adapter's foot allows you to mount the entire assembly directly onto your equatorial mount for stable, tracked solar viewing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does Daystar recommend a front filter for some lenses used with the Nikon Quark adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor telephoto lenses with large objective diameters, a significant amount of heat and light energy is concentrated on the internal QUARK filter. To reduce this heat load and improve performance, Daystar recommends placing an inexpensive colored glass filter (like a red, orange, or yellow photographic filter) on the front of the lens to act as a basic energy rejection filter (ERF).\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\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":44967457947933,"sku":"DAY-DSZTNA","price":559.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Nikon-Lens-Quark-Adapter__05037.1597174347.1280.1280.jpg?v=1684342427"},{"product_id":"daystar-canon-lens-to-quark-adapter","title":"Daystar Canon Lens to Quark Adapter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts Canon EF-mount lenses for use with Daystar Quark solar filters\u003c\/li\u003e\n\u003cli\u003eTurns a telephoto lens into a portable Hydrogen-alpha solar telescope\u003c\/li\u003e\n\u003cli\u003eAllows use of lens zoom to frame full solar disks or high-magnification details\u003c\/li\u003e\n\u003cli\u003eIncludes a reversible foot with 1\/4-20 tripod threads and a Vixen-style dovetail\u003c\/li\u003e\n\u003cli\u003eEnables solar viewing and imaging with a standard eyepiece or camera\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 Canon Lens to Quark Adapter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Canon Lens to Quark Adapter transforms your existing Canon EF-mount lenses into a dedicated Hydrogen-alpha solar telescope. It includes a reversible mounting foot with standard 1\/4-20 tripod threads and a Vixen-style dovetail, providing a secure platform for lenses over 80mm in aperture.\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\u003eAdapting Lenses Over 80mm: Turn Canon Glass into an H-Alpha Scope\u003c\/h3\u003e\n\u003cp\u003eConnect a Daystar Quark (required, sold separately) to this adapter, and your Canon telephoto lens becomes your primary solar optic. This setup allows you to use your lens's zoom function to go from wide, full-disk views of the sun to high-magnification close-ups of prominences and surface detail without swapping hardware. For lenses with apertures larger than 80mm, Daystar recommends using a front-mounted red, orange, or yellow glass filter to reduce the thermal load on the internal Quark assembly.\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\u003eFlexible Mounting: 1\/4-20 Threads and a Vixen-Style Dovetail\u003c\/h3\u003e\n\u003cp\u003eAn integrated, reversible mounting foot gives you two industry-standard connection options for your solar setup. Use the 1\/4-20 threaded holes to attach your lens and Quark to any standard photo tripod for a lightweight, grab-and-go system. For added stability, flip the foot to use the Vixen-style dovetail bar on any compatible astronomical mount. An included focal extender spacer ring helps ensure your lens can achieve focus, increasing compatibility across a wide range of Canon-style lenses.\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 Adapter vs. a Dedicated Solar Telescope: Portability and Zoom\u003c\/h3\u003e\n\u003cp\u003eWhile a dedicated solar telescope offers an integrated, optimized system, the Daystar adapter creates a system with unmatched portability and flexibility for imagers who already own high-quality camera lenses.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated Solar Scope Advantage:\u003c\/strong\u003e A purpose-built solar telescope is a single, thermally stable unit that requires no assembly of optical components and is permanently collimated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaystar Adapter Advantage:\u003c\/strong\u003e This system is incredibly compact, breaking down to fit in a standard camera bag. It leverages the investment you've already made in telephoto lenses and lets you use their zoom capabilities to frame solar features dynamically.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCritical Trade-off:\u003c\/strong\u003e This is a fully manual system. The adapter provides no electronic pass-through, meaning you must manually set your lens's focus and aperture. Autofocus and electronic aperture control are not supported.\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 do I need besides the Daystar Canon Lens to Quark Adapter to view the sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAt a minimum, you will need a \u003cstrong\u003eDaystar Quark\u003c\/strong\u003e (H-alpha or other model), a \u003cstrong\u003eCanon-mount SLR\/DSLR lens\u003c\/strong\u003e, and an \u003cstrong\u003eeyepiece\u003c\/strong\u003e or \u003cstrong\u003ecamera\u003c\/strong\u003e. You will also need a stable tripod or astronomical mount to hold the assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use autofocus and change the aperture with the Daystar Canon Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The Daystar Canon Lens to Quark Adapter has \u003cstrong\u003eno electronic contacts\u003c\/strong\u003e and does not pass power or data to the lens. All focus and aperture adjustments must be made manually using the rings on the lens itself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is a front filter recommended for my Canon 400mm lens with the Daystar Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor any lens with an aperture over 80mm, Daystar recommends a front-mounted color filter (red, orange, or yellow) to act as an energy rejection filter (ERF). This reduces the amount of heat entering the Quark, protecting its delicate internal components and ensuring stable on-band performance during long observing sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Daystar Canon to Quark Adapter work with every Canon lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile designed for broad compatibility, Daystar does not guarantee focus and clearance for 100% of Canon-style lenses. An included focal extender ring helps achieve focus with many models, but functionality can vary depending on the specific optical design of the lens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I mount my Canon 70-200mm lens and Quark using the Daystar Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Daystar adapter includes a built-in, reversible mounting foot. You can either attach it directly to a photo tripod using the standard \u003cstrong\u003e1\/4-20 threaded holes\u003c\/strong\u003e or mount it to an astronomical mount using the integrated \u003cstrong\u003eVixen-style dovetail bar\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use an eyepiece with the Daystar Canon Lens to Quark Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Once your Canon lens and Quark are connected via the adapter, the Quark functions just as it would on a telescope. You can insert a standard 1.25\" eyepiece directly into the Quark for visual observation or attach a camera 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\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\"\u003eDaystar Canon Lens to Quark Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003ewith Reversible Foot (1\/4-20 \u0026amp; Vixen Dovetail)\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\"\u003eFocal Extender Spacer Ring\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\/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":44967457980701,"sku":"DAY-DSZTCA","price":559.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Daystar-Canon-Lens-Quark-Adapter__17460.1597174206.1280.1280.jpg?v=1684342428"},{"product_id":"daystar-interference-eliminator-quark-to-m42","title":"Daystar Interference Eliminator - Quark to M42","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects Daystar Quark filters to M42 T-thread cameras\u003c\/li\u003e\n\u003cli\u003eProvides +\/- 5 degrees of tilt to eliminate Newton's Rings\u003c\/li\u003e\n\u003cli\u003eSupports 17.5mm and 12.5mm back focus distances\u003c\/li\u003e\n\u003cli\u003eAllows 30-degree camera rotation for cable management\u003c\/li\u003e\n\u003cli\u003eIncludes 5mm spacer for shorter back-focus cameras\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 Interference Eliminator - Quark to M42\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Interference Eliminator is the single most critical accessory for imaging with a Quark, connecting it directly to your M42 T-thread camera while solving the persistent problem of interference fringes. This adapter provides a crucial +\/- 5 degrees of tilt, a range specifically engineered to eliminate the stubborn Newton's Rings common in monochromatic solar imaging. It also offers mechanical control, with 30-degree rotational clocking for cable management and native support for 17.5mm back-focus cameras, plus an included 5mm spacer to perfectly accommodate 12.5mm sensors.\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\u003e+\/- 5 Degrees of Tilt: Eliminating Solar Interference Fringes\u003c\/h3\u003e\n\u003cp\u003eNewton's Rings, or interference fringes, are artifacts caused by the near-perfectly parallel surfaces between your camera sensor and the Quark's optical elements. The Daystar Interference Eliminator solves this by introducing a precise, controlled tilt of up to 5 degrees. This slight angle breaks the internal reflections that create the fringe pattern, resulting in a clean, uniform image background without post-processing headaches.\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\u003eMechanical Flexibility: 30° Clocking and Dual Back-Focus Spacing\u003c\/h3\u003e\n\u003cp\u003eBeyond its optical function, this adapter provides essential mechanical adjustments for your imaging train. The camera's clocking angle can be rotated in 30-degree intervals by repositioning the thumbscrews, allowing you to orient your camera for optimal cable routing and framing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative 17.5mm Spacing:\u003c\/strong\u003e The adapter is designed to work directly with cameras that have a 17.5mm flange-to-sensor distance, such as many popular ZWO models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded 5mm Spacer:\u003c\/strong\u003e For cameras with a shorter 12.5mm back focus, the included 5mm spacer ring installs easily to achieve perfect spacing and a sharp, focused image.\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\u003eDaystar vs. Nighttime Adapters: Why 5° of Tilt Matters for Solar\u003c\/h3\u003e\n\u003cp\u003eWhile other tilt adapters exist, they are typically designed for nighttime imaging where fringe patterns are less severe. Those adapters often lack the adjustment range needed for solar work. The Daystar Interference Eliminator's generous +\/- 5-degree tilt range is specifically designed to handle even the most pronounced interference fringes encountered under the high-contrast conditions of H-alpha solar imaging, a task where lesser adapters fail.\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 are Newton's Rings and why does the Daystar Interference Eliminator fix them?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eNewton's Rings\u003c\/strong\u003e are concentric, wavy patterns that appear in solar images. They are an interference effect caused by light reflecting between the parallel surfaces of your Quark filter and your camera's sensor cover glass. The Daystar Interference Eliminator introduces a slight tilt of up to +\/- 5 degrees to one of these surfaces, breaking the parallelism and causing the interference pattern to disappear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the Daystar Interference Eliminator with my ZWO camera (17.5mm back focus)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a ZWO camera or any other model with a \u003cstrong\u003e17.5mm back focus\u003c\/strong\u003e, you can use the Daystar Interference Eliminator directly without any spacers. Simply thread it onto your Quark and attach your M42 T-threaded camera to the adapter for correct spacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eMy camera has 12.5mm back focus. Can I use this Daystar adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Daystar Interference Eliminator includes a \u003cstrong\u003e5mm spacer ring\u003c\/strong\u003e specifically for this purpose. Install the 5mm spacer between the main tilt body and your camera to achieve the correct 12.5mm spacing required for focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Daystar adapter work for nighttime deep-sky imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile it could physically connect a camera, its primary design is to solve a problem specific to solar imaging with a Quark. The aggressive +\/- 5-degree tilt range is generally far more than what is needed for nighttime use and could potentially introduce other optical issues if not set perfectly flat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I adjust the camera rotation on the Daystar Interference Eliminator?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou can adjust the camera's clocking angle for better cable management or framing. Simply remove the thumbscrews, rotate the camera plate to a different set of holes (spaced at \u003cstrong\u003e30-degree intervals\u003c\/strong\u003e), and re-insert the thumbscrews to lock it in place.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Daystar Interference Eliminator change the focal length of my telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. This is a 1x adapter with no optical elements. It does not provide any magnification or reduction and will not alter the effective focal length of your system. Its sole purpose is mechanical coupling and tilt adjustment.\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\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eDaystar Interference Eliminator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eSolar Imaging with Daystar Quark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eDaystar Quark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Connection\u003c\/td\u003e\n\u003ctd\u003eM42 x 0.75 (T-Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTilt Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e+\/- 5 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotation Adjustment\u003c\/td\u003e\n\u003ctd\u003e30-degree intervals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Back Focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm (native), 12.5mm (with included 5mm spacer)\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\"\u003eInterference Eliminator Body\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\"\u003e5mm M42 Spacer Ring\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\u003cp\u003eNo product-specific downloads are available for this accessory.\u003c\/p\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":50078224122141,"sku":"DAY-IEQT","price":138.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Daystar-Interference-Eliminator-Quark-to-T-IEQT.jpg?v=1750293943"},{"product_id":"daystar-quark-combo-gemini-chrom-prom-switchable-solar-filter","title":"Daystar Quark Combo Gemini Chrom\/Prom Switchable Solar Filter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eInstantly Switchable Prominence \u0026amp; Chromosphere Views\u003c\/li\u003e\n\u003cli\u003eContains Two Internal Fabry-Perot Etalon Filters\u003c\/li\u003e\n\u003cli\u003eOptimized for Telescopes from f\/15 to f\/30\u003c\/li\u003e\n\u003cli\u003eAR Coated for the 656nm Hydrogen-alpha Wavelength\u003c\/li\u003e\n\u003cli\u003eCompact, All-in-One Eyepiece-Sized Form Factor\u003c\/li\u003e\n\u003cli\u003eRequires Telescope-Specific Energy Rejection Filter (Sold Separately)\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 Quark Combo Gemini Chrom\/Prom Switchable Solar Filter\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Quark Combo Gemini integrates two separate, dedicated Fabry-Perot etalon elements tuned for the 656nm hydrogen-alpha line, allowing you to instantly switch between prominence and chromosphere views in telescopes operating from f\/15 to f\/30. This all-in-one design eliminates the need to swap filters or refocus, providing unmatched flexibility for observing and imaging the dynamic solar atmosphere.\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\u003eInstant Prominence and Chromosphere Views: A Dual 656nm Etalon System\u003c\/h3\u003e\n\u003cp\u003eAt the core of the Combo Gemini are two distinct etalon filters, accessible via a simple push-pull slider arm. One filter is qualified to deliver the best views of broad, expansive prominences erupting from the solar limb, while the other is optimized for the high-contrast surface details of the chromosphere. This dual-system allows for immediate, real-time comparison between the two views without ever removing the filter from the telescope.\u003c\/p\u003e\n\u003cp\u003eInstead of designating a specific FWHM bandpass, Daystar qualifies each element visually to ensure optimal results for its intended purpose. This approach guarantees you see prominences with maximum extent and surface granulation with maximum contrast, tailored to the final application in your specific f\/15 to f\/30 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\u003eOptimized for f\/15-f\/30: Integrating the Gemini with Your Telescope\u003c\/h3\u003e\n\u003cp\u003eThe Quark Combo Gemini is engineered for long focal ratio systems, specifically Schmidt-Cassegrains, Maksutovs, and refractors operating between f\/15 and f\/30. Proper and safe integration requires additional, telescope-specific components that are sold separately.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSCT \u0026amp; Maksutov Telescopes:\u003c\/strong\u003e Safe operation requires a front-mounted Energy Rejection Filter (ERF). For SCTs, an off-axis, aperture-reducing ERF is necessary to slow the telescope's native focal ratio and prevent heat buildup. Maksutovs at a native f\/15 do not require aperture reduction but still need a full-aperture front ERF for thermal safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractor Telescopes:\u003c\/strong\u003e To bring a faster refractor into the required f\/15-f\/30 range, you must use a telecentric barlow, such as Daystar's 2.8x or 4.3x models, between the diagonal and the Quark.\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 Compact, 656nm All-in-One Design for Field Use\u003c\/h3\u003e\n\u003cp\u003eDaystar consolidated the entire dual-filter system into a single, lightweight device with the footprint of a large eyepiece. This streamlined design eliminates the cost and weight of adapters and separate filter housings. Internal baffles and AR coatings optimized for the 656nm wavelength work together to maximize image contrast.\u003c\/p\u003e\n\u003cp\u003eThe design also features reduced power consumption, allowing the Quark's internal heating element to run all day from a small, palm-sized USB battery pack (sold separately). This makes the Combo Gemini an ideal solution for field observers, educational outreach, and remote imaging setups where portability and efficiency are key.\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 Tool for Outreach and Imaging: Demonstrating Solar Dynamics at 656nm\u003c\/h3\u003e\n\u003cp\u003eThe ability to switch instantly between views is a powerful tool. For outreach astronomers, it creates a compelling teaching moment, allowing you to demonstrate the difference between limb phenomena and surface features with a simple push of the slider. You can even show the effects of wing-shifting on fast-moving prominences.\u003c\/p\u003e\n\u003cp\u003eFor solar imagers, the Combo Gemini is a significant time-saver. You can capture high-contrast chromosphere images and wider-band prominence images of a fleeting solar feature in rapid succession, without the risk of losing the target or focus while swapping equipment. This ensures your comparison images are perfectly matched and captured under the same seeing conditions.\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 Daystar Quark Combo Gemini over using two separate filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is the ability to \u003cstrong\u003einstantly switch\u003c\/strong\u003e between a prominence-optimized view and a chromosphere-optimized view without changing equipment or refocusing. This allows for direct comparison of solar features and is ideal for imaging transient events or for educational demonstrations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an Energy Rejection Filter (ERF) to use the Quark Combo Gemini with my 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eYes, an ERF is absolutely required for safety and performance.\u003c\/strong\u003e For an SCT like a C8, you must use a front-mounted, off-axis, aperture-reducing ERF. This accessory serves two critical functions: it prevents dangerous heat from entering the telescope and it slows the optical system to the f\/15-f\/30 range required by the Quark for optimal contrast.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the Daystar Quark Combo Gemini with my f\/7 refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo use the Quark Combo Gemini with a faster refractor, you must place a telecentric Barlow lens in the optical path to increase the focal ratio to the required f\/15-f\/30 range. Daystar offers compatible \u003cstrong\u003e2.8x or 4.3x telecentric Barlows\u003c\/strong\u003e (sold separately) for this purpose. An f\/7 refractor with a 2.8x telecentric would operate at f\/19.6, which is ideal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy doesn't Daystar specify an exact FWHM bandpass for the Quark Combo Gemini's two modes?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDaystar qualifies the etalon in each mode based on its visual performance for a specific task, not a rigid numerical specification. The \"prominence\" setting is tuned to be slightly wider to show faint, extended structures, while the \"chromosphere\" setting is tuned to be narrower for maximum surface contrast. The final bandpass is dependent on the host telescope's focal ratio, so qualifying for the visual result ensures optimal views.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Quark Combo Gemini for imaging solar prominences and then the chromosphere without refocusing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The dual-etalon system is designed to be parfocal. You can slide the filter from the prominence position to the chromosphere position and begin imaging immediately without needing to adjust your camera's focus, saving critical time when capturing fast-changing solar events.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of power supply does the Daystar Quark Combo Gemini require?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Quark Combo Gemini has low power requirements and is powered via a standard USB connection. It can be run from any standard USB power source, including a wall adapter or a small, portable USB battery pack, making it highly convenient for use in the field.\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_Combo_Quark_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":50869790245149,"sku":"DAY-DSZGC","price":3633.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/GeminiCombo.jpg?v=1769013927"},{"product_id":"daystar-combo-quark-4-3x-telecentric-barlow","title":"Daystar Combo QUARK 4.3X Telecentric Barlow","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e4.3X Telecentric Barlow\u003c\/li\u003e\n\u003cli\u003eOptimized for Daystar Combo Quark H-alpha Filters\u003c\/li\u003e\n\u003cli\u003eDesigned for F\/5 to F\/9 Refractors\u003c\/li\u003e\n\u003cli\u003eMaximizes Surface Contrast\u003c\/li\u003e\n\u003cli\u003eEnables Full-Disk Views on Scopes ~480mm or Shorter\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 Combo QUARK 4.3X Telecentric Barlow\u003c\/h2\u003e\n\u003cp\u003eThe Daystar Combo QUARK 4.3X Telecentric Barlow is a custom-engineered optical amplifier designed to optimize Daystar's H-alpha filters for refractors from F\/5 to F\/9. By establishing a truly telecentric light path at a 4.3X magnification, it narrows the filter's effective bandpass to achieve maximum surface contrast, making it ideal for full-disk solar views in telescopes with focal lengths of approximately 480mm or shorter.\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 4.3X Telecentric Design for Optimal Quark Bandpass\u003c\/h3\u003e\n\u003cp\u003eA Hydrogen-alpha etalon performs best when fed with parallel light rays. This 4.3X barlow is a fully baffled, telecentric design engineered specifically for the Combo Quark, ensuring the light cone entering the filter is properly conditioned for the highest uniformity and contrast. Installation is direct: simply unscrew the silver snout from your Combo Quark and thread the 4.3X barlow in its place to transform your optical train.\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 480mm Full-Disk Limit: Trading Field for Surface Contrast\u003c\/h3\u003e\n\u003cp\u003eThis amplifier prioritizes solar surface detail above all else. The aggressive 4.3X magnification results in a narrower filter bandpass, which significantly enhances the visibility of fine structures like plage and filaments against the chromosphere. The trade-off for this heightened contrast is a dimmer image and a more restricted field of view, limiting full-disk captures to telescopes with focal lengths of around 480mm or less.\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 4.3X vs. 2.8X Barlow: Choosing Your Imaging Strategy\u003c\/h3\u003e\n\u003cp\u003eDaystar offers two telecentric options for the Combo Quark, each suited to different imaging goals. Your choice depends on your telescope's focal length and whether your priority is surface detail or prominence brightness.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.8X Telecentric Barlow:\u003c\/strong\u003e This is the preferred choice for a brighter image and for achieving full-disk views on longer focal length refractors. Its less aggressive amplification is better suited for capturing fainter prominence details.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.3X Telecentric Barlow:\u003c\/strong\u003e Select this model for maximum surface contrast with short focal length refractors (under 480mm). If your goal is to resolve the finest, high-contrast details within the solar disk itself, the 4.3X provides the narrowest bandpass.\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\"\u003eHow do I install the Daystar Combo QUARK 4.3X Barlow?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstallation is straightforward. You simply \u003cstrong\u003eunscrew the standard silver snout\u003c\/strong\u003e from the front of your Daystar Combo Quark H-alpha filter and then \u003cstrong\u003escrew the 4.3X Telecentric Barlow\u003c\/strong\u003e on in its place. No other adapters are needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen should I choose the Daystar Combo QUARK 4.3X Barlow instead of the 2.8X version?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eChoose the \u003cstrong\u003e4.3X Barlow\u003c\/strong\u003e when your primary goal is achieving the highest possible \u003cstrong\u003esurface contrast\u003c\/strong\u003e on the Sun's disk, and you are using a short focal length refractor (around 480mm or less). The 2.8X version is better for brighter images, capturing faint prominences, and for use with longer focal length telescopes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I get a full-disk view of the Sun with the Daystar 4.3X Barlow and my 700mm focal length refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, it is unlikely. The Daystar 4.3X Barlow is designed to provide a full-disk view on telescopes with a focal length of approximately \u003cstrong\u003e480mm or shorter\u003c\/strong\u003e. On a 700mm telescope, this barlow would provide a high-magnification view of a smaller region of the solar surface, not the entire disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"telecentric\" mean for my Daystar QUARK filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA telecentric optical system produces parallel rays of light. Daystar's QUARK H-alpha filters require this parallel light to perform optimally, achieving a consistent and narrow filter bandpass across the entire field of view. Using a telecentric barlow like the 4.3X ensures your telescope's converging light cone is properly conditioned before it reaches the filter's sensitive etalon.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Daystar 4.3X Barlow good for imaging solar prominences with my F\/8 refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile you can image prominences, the 4.3X Barlow is optimized for high-contrast surface detail, which comes at the expense of image brightness. Since prominences are much fainter than the solar disk, the \u003cstrong\u003e2.8X Barlow\u003c\/strong\u003e is generally the better choice for capturing them, as it provides a brighter image. The 4.3X excels at revealing texture in filaments and plage on the disk itself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Daystar Combo QUARK 4.3X Barlow make my solar image dimmer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Compared to the 2.8X telecentric barlow, the 4.3X version will produce a dimmer image. This is a direct trade-off for achieving a narrower filter bandpass, which is what enhances the visible contrast of surface features on 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\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\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":52935164657949,"sku":"DAY-CC43B","price":419.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/DaystarFilters-Daystar-Combo-QUARK-4-3X-Telecentric-Barlow-1_67022a42-8522-4c68-acc5-45467035352c.jpg?v=1789520765"},{"product_id":"daystar-quark-visual-focal-reducer","title":"Daystar QUARK Visual Focal Reducer","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eNominal Focal Reduction Factor\u003c\/li\u003e\n\u003cli\u003eDesigned Exclusively for Daystar Quark Filters\u003c\/li\u003e\n\u003cli\u003eWidens the True Field of View\u003c\/li\u003e\n\u003cli\u003eIncreases Image Brightness for Prominence Detail\u003c\/li\u003e\n\u003cli\u003eThreads Directly Between Quark and 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\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eDaystar QUARK Visual Focal Reducer\u003c\/h2\u003e\n\u003cp\u003eThe Daystar QUARK Visual Focal Reducer is an essential accessory for your Daystar Quark H-alpha filter, designed to widen your field of view and significantly brighten the solar image. This reduction in focal length makes faint, ethereal prominences pop with greater contrast and allows you to frame more of the solar disc in a single view, especially in longer focal length telescopes.\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 Wider, Brighter View of the Sun\u003c\/h3\u003e\n\u003cp\u003eBy shortening your telescope's effective focal length, this reducer delivers two critical advantages for solar observers. It expands your true field of view, allowing you to fit more of the sun's dynamic surface and surrounding corona into the eyepiece. This wider perspective can also be achieved using shorter, often more comfortable, eyepieces than you would typically use.\u003c\/p\u003e\n\u003cp\u003eCrucially, the focal reduction concentrates sunlight, increasing the brightness of the image. This effect is invaluable for teasing out faint, delicate prominence structures that might otherwise be invisible against the blackness of space. The enhanced brightness can reveal greater extent and detail in these faint features.\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\u003eEyepiece Selection: Understanding the \"Porthole Effect\"\u003c\/h3\u003e\n\u003cp\u003eThe performance of the QUARK Visual Focal Reducer is highly dependent on eyepiece selection. Eyepieces with a field stop positioned at or above the end of the drawtube can cause a more extreme focal reduction, which may lead to blurring at the edges of the field.\u003c\/p\u003e\n\u003cp\u003eThis configuration can also create a constrained exit pupil, resulting in a narrow \"porthole effect.\" This makes it difficult for an observer to position their eye correctly to see the full field, an issue that is particularly challenging during public outreach events. Daystar recommends experimenting with a variety of eyepieces to find the best optical match for your specific observing goals.\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 does the Daystar QUARK Visual Focal Reducer do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt reduces the effective focal length of your telescope when using a Daystar Quark filter. This provides a \u003cstrong\u003ewider true field of view\u003c\/strong\u003e and a \u003cstrong\u003ebrighter solar image\u003c\/strong\u003e, making it easier to see the entire solar disc and faint prominence details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the QUARK Visual Focal Reducer improve views of solar prominences?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBy concentrating the light into a smaller area, the reducer increases the surface brightness of the image. This added brightness provides more contrast, helping faint and delicate solar prominences stand out more clearly against the dark background of space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Daystar QUARK Visual Focal Reducer work with any eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile it is physically compatible with standard eyepieces, optical performance can vary. Eyepieces with high field stops may produce edge-of-field blurring or a \"porthole effect\" that makes eye placement difficult. Experimentation is recommended to find the best pairing for your setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the \"porthole effect\" and how do I avoid it with the Daystar QUARK Visual Focal Reducer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \"porthole effect\" is a narrow, constricted view that makes it hard to position your eye to see the entire field. It can be caused by certain eyepiece designs when used with the reducer. To avoid it, experiment with different eyepieces, particularly those with field stops located deeper inside the barrel, to find one that provides a wide, comfortable exit pupil.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm using the Daystar QUARK Visual Focal Reducer with a long focal length SCT. Will it let me see the full solar disc?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, that is one of its primary applications. In long focal length instruments like Schmidt-Cassegrains or Maksutovs, the reducer widens the field of view enough that you can often frame the entire sun, which is typically impossible at the telescope's native focal length with a Quark filter installed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eFor public outreach with my refractor and Daystar Quark, what's the best way to use the Visual Focal Reducer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor public outreach, ensuring a comfortable view is critical. Before the event, test several different eyepieces with the Daystar QUARK Visual Focal Reducer to find a combination that produces a wide, bright exit pupil and avoids the \"porthole effect.\" A view that is easy for a novice observer to look through will make the experience much more enjoyable.\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\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":52935164690717,"sku":"DAY-FRQVQ","price":279.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/DaystarFilters-Daystar-QUARK-Visual-Focal-Reducer-1_6ca1a88a-f12a-4105-bcdb-e4573b408ffd.jpg?v=1789520773"}],"url":"https:\/\/davidastro.com\/en-us\/collections\/daystar-quark-h-alpha-solar-eyepiece-filters.oembed","provider":"David Astro","version":"1.0","type":"link"}