{"title":"Celestron Luminos Eyepieces","description":"\u003cp\u003eCelestron Luminos eyepieces offer an 82° apparent field of view for wide, immersive views at every magnification. The range spans 7mm, 10mm and 15mm in 1.25\" barrels and 19mm, 23mm and 31mm in 2\" barrels, plus the Luminos 2.5x Barlow.\u003c\/p\u003e\u003cp\u003eThe wide field keeps objects in view longer on a non-tracking Dobsonian and frames large nebulae and clusters. They are a step up from Plössls for observers who want a consistent set across low, medium and high power.\u003c\/p\u003e","products":[{"product_id":"celestron-luminos-2-5x-barlow-2","title":"Celestron Luminos 2.5x Barlow - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eInstantly increases eyepiece magnification by 2.5x\u003c\/li\u003e\n\u003cli\u003e4-element apochromatic optics deliver high-contrast, color-correct views\u003c\/li\u003e\n\u003cli\u003eAccepts both 2\" and 1.25\" eyepieces with the included adapter\u003c\/li\u003e\n\u003cli\u003eBrass compression ring secures eyepieces without scratching barrels\u003c\/li\u003e\n\u003cli\u003eThreaded to accept standard 2\" astronomy filters\u003c\/li\u003e\n\u003cli\u003e28mm clear aperture minimizes vignetting with wide-field eyepieces\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\u003eCelestron Luminos 2.5x Barlow Lens - 2\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Luminos 2.5x Barlow Lens boosts the power of any 2\" or 1.25\" eyepiece by a factor of 2.5, using a 4-element apochromatic optical design to maintain sharp, color-pure images. With a generous 28mm clear aperture and fully multi-coated optics, this Barlow provides a significant magnification increase without introducing chromatic aberration or degrading the contrast of the original view, all housed in a body weighing just 10.83 oz.\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\u003eApochromatic 4-Element Optics: 2.5x Magnification with High Contrast\u003c\/h3\u003e\n\u003cp\u003eUnlike simpler 2- or 3-element Barlows, the Luminos employs a 4-element, 4-group optical design. This apochromatic configuration provides superior correction for chromatic aberration, ensuring views are free from false color and haloing around bright objects like Jupiter, Venus, or the lunar limb. The fully multi-coated optics maximize light transmission, preserving image brightness and contrast even at the high magnifications this 2.5x Barlow enables.\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\u003eLuminos Body Design: A Secure, Non-Marring Grip on Your Eyepieces\u003c\/h3\u003e\n\u003cp\u003eThe Luminos 2.5x Barlow features a hard-anodized aluminum housing that is both durable and matches the aesthetic of the Luminos eyepiece line. A wide, centralized rubber grip ensures secure handling, even with gloves on in cold weather. Critically, the Barlow uses a brass compression ring to hold your eyepieces; turning the oversized thumbscrew tightens this ring gently and uniformly around the eyepiece barrel, preventing the scratches and gouges that standard set screws can cause.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eVersatility for 2\" and 1.25\" Systems: Integrated Filter Threads\u003c\/h3\u003e\n\u003cp\u003eThis Barlow is engineered for maximum compatibility across your entire eyepiece collection. It natively accepts 2\" eyepieces and includes a high-quality 2\" to 1.25\" adapter, allowing you to achieve 2.5x magnification with every eyepiece you own. The main 2\" barrel is also threaded to accept standard 2\" filters, a key feature that lets you attach a nebula or planetary filter to the Barlow itself, keeping it in the optical path as you switch between different eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the Luminos 2.5x Barlow's 4-element design?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 4-element apochromatic design provides superior color correction compared to simpler Barlows. This means you will see significantly less chromatic aberration (false color fringing) on high-contrast targets like the Moon, planets, and bright stars, resulting in a sharper and more natural view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the brass compression ring on the Luminos Barlow work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInstead of a thumbscrew pressing directly onto your eyepiece, the screw on the Luminos Barlow tightens a C-shaped brass ring inside the barrel. This ring then distributes the pressure evenly around your eyepiece's barrel, providing a more secure grip and preventing the scratches and scoring that a single-point screw can cause.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Luminos 2.5x Barlow with my 8\" f\/10 Schmidt-Cassegrain for planetary viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it's an excellent choice. An 8\" SCT has a focal length of around 2032mm. With a 10mm eyepiece, you'd get 203x magnification. Adding the Luminos 2.5x Barlow boosts that to over 500x, which is beyond the useful limit for that aperture. A better pairing would be a 25mm eyepiece (81x), which the Barlow would turn into a powerful 203x, ideal for resolving cloud belts on Jupiter or the Cassini Division in Saturn's rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Luminos 2.5x Barlow cause vignetting with my 2\" wide-field eyepieces?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Luminos Barlow has a clear aperture of 28mm. This is generally sufficient to avoid vignetting (darkening at the edges of the field) with most 2\" eyepieces, especially those with focal lengths of 20mm or more. You may see some minor vignetting with very long focal length, ultra-wide-field 2\" eyepieces that have the largest possible field stops.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do the filter threads on the Luminos 2.5x Barlow improve my workflow?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBy threading a 2\" filter (like a UHC or OIII filter for nebulae) directly onto the Barlow's barrel, the filter stays in place as you swap eyepieces. This saves you the hassle of unscrewing and re-screwing the filter from each eyepiece individually, making your observing session more efficient.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Luminos 2.5x Barlow for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, a Barlow lens is a key tool for high-magnification planetary, lunar, and solar imaging. The Luminos 2.5x Barlow will increase your telescope's effective focal length, making the target appear larger on your camera sensor. Its apochromatic design is particularly beneficial for imaging, as it ensures sharp, color-accurate results.\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\u003eMagnification\u003c\/td\u003e\n\u003ctd\u003e2.5x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e51mm (2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccepted Eyepieces\u003c\/td\u003e\n\u003ctd\u003e1.25\" \u0026amp; 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e4-Element \/ 4-Group Apochromatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClear Aperture\u003c\/td\u003e\n\u003ctd\u003e28mm (1.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eYes, accepts 2\" filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e93mm x 64mm x 64mm (3.66\" x 2.52\" x 2.52\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e10.83 oz (307 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003ctd\u003eNo\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\"\u003eLuminos 2.5x Barlow Lens - 2\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" to 1.25\" Eyepiece Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDust Caps\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\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:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003eCelestron PWI Telescope Control Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967145668893,"sku":"CEL-93436","price":222.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Luminos-2-inch-2-5x-Barlow-Lens-93436-1__20128.1594230244.1280.1280.jpg?v=1684337148"},{"product_id":"celestron-luminos-10-mm-1-25","title":"Celestron Luminos 10 mm - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e82° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e10mm Focal Length for High-Magnification Views\u003c\/li\u003e\n\u003cli\u003e7-Element Fully Multi-Coated Optics\u003c\/li\u003e\n\u003cli\u003eParfocal with all Luminos Eyepieces\u003c\/li\u003e\n\u003cli\u003e12mm Eye Relief with Adjustable Pop-Up Eyeguard\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" Barrel with Filter 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\u003eCelestron Luminos 10mm Eyepiece - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Luminos 10mm Eyepiece delivers an immersive, high-magnification window into the sky with its expansive 82° apparent field of view. Its 7-element optical design is fully multi-coated to maximize contrast on fine planetary and lunar detail, while the 12mm of eye relief provides comfort during extended sessions. Weighing just 11.61 oz, this 1.25\" eyepiece maintains a parfocal design across the entire Luminos series, minimizing the need to refocus when changing magnification.\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 82° Apparent Field from a 7-Element System\u003c\/h3\u003e\n\u003cp\u003eThe core of the Luminos 10mm is its ultra-wide 82° apparent field, which creates a \"spacewalk\" viewing sensation that fills your vision. This wide perspective is ideal for framing globular clusters, planetary nebulae, and lunar craters in their entirety, providing context that narrower eyepieces miss. The 7-element, 5-group optical system is fully multi-coated to ensure bright, sharp images with minimal internal reflections, rendering crisp views from the center to the edge of the 17mm field stop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePolished Aluminum Body with a 12mm Pop-Up Eyeguard\u003c\/h3\u003e\n\u003cp\u003eThe Luminos 10mm is built from polished and anodized aluminum for durability and a premium feel. A tactile rubber grip provides a secure hold, even with gloves on, and serves as the control for the pop-up eyeguard. A simple twist raises or lowers the guard, allowing you to set the optimal distance to accommodate the 12mm of eye relief, which is a key consideration for observers who wear glasses. This adjustment helps block stray light and maintain a comfortable viewing position.\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\u003eParfocal Design for Seamless Magnification Changes\u003c\/h3\u003e\n\u003cp\u003eAll eyepieces in the Celestron Luminos series are designed to be parfocal, a critical feature for efficient observing. This means you can switch from the 10mm to another Luminos eyepiece of a different focal length with little to no refocusing required. This saves valuable time when tracking a planet across the sky or when comparing views of a deep-sky object at different powers, keeping your target sharp and centered in the field as you swap between eyepieces.\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 Luminos 10mm's 82° field of view?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 82° apparent field of view provides an immersive, \"spacewalk\" experience. At the high magnification provided by the 10mm focal length, this allows you to see objects like the Orion Nebula (M42) or the Hercules Cluster (M13) within a wider, more dramatic context, rather than feeling like you're looking through a narrow tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Luminos 10mm a good choice for planetary viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 10mm focal length offers high magnification suitable for resolving details on Jupiter, Saturn, and Mars in most telescopes. The fully multi-coated 7-element optics are designed to deliver the sharp, high-contrast views necessary for discerning cloud bands, Cassini's Division, and subtle surface features.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Luminos 10mm perform in a Schmidt-Cassegrain Telescope (SCT)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" f\/10 SCT, the Luminos 10mm yields a high magnification of 203x, which is excellent for splitting tight double stars and observing fine detail on planets and the Moon. The wide 82° field helps in locating and centering these objects at such high power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 12mm eye relief on the Luminos 10mm sufficient for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 12mm eye relief is on the tighter side for an 82° eyepiece. While many observers with glasses can see a large portion of the field, some may not be able to see the entire 82° at once. The pop-up eyeguard helps position your eye correctly, but for those with significant astigmatism requiring glasses, it's a point of consideration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does it mean that the Luminos 10mm is \"parfocal\"?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBeing parfocal means you can switch this eyepiece with any other eyepiece in the Celestron Luminos series and the telescope will remain in focus. This is a significant convenience, as it eliminates the need to make major focus adjustments each time you change magnification, saving time and keeping your target centered.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use filters with the Celestron Luminos 10mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 1.25\" insert barrel is threaded to accept standard 1.25\" astronomy filters, such as moon filters, light pollution filters, or color filters for planetary observing.\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\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\" (32mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e10mm (0.39\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e82°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e12mm (0.47\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e7 elements in 5 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e17mm (0.67\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParfocal\u003c\/td\u003e\n\u003ctd\u003eYes, with Luminos series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eAccepts 1.25\" filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyeguard\u003c\/td\u003e\n\u003ctd\u003eYes, pop-up adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePolished and Anodized Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e91mm x 57.5mm x 57.5mm (3.58\" x 2.26\" x 2.26\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e11.61 oz (329 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Celestron Luminos 10mm Eyepiece in box\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/93431_luminos_10mm_eyepiece_1.jpg\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLuminos 10mm Eyepiece - 1.25\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Dust caps for 1.25-inch eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-1.25inch-Dust-Caps.jpg?v=1778648197\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDust Caps\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2 (top and bottom)\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:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCelestron Software\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003eView Downloads\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\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967146422557,"sku":"CEL-93431","price":195.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Luminos-10-mm-Eyepiece-93431-1__58109.1594230255.1280.1280.jpg?v=1684337175"},{"product_id":"celestron-luminos-15-mm-1-25","title":"Celestron Luminos 15 mm - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e82° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e15mm Focal Length\u003c\/li\u003e\n\u003cli\u003e1.25\" Barrel Size\u003c\/li\u003e\n\u003cli\u003e17mm Eye Relief for Viewing Comfort\u003c\/li\u003e\n\u003cli\u003eParfocal with all Luminos Eyepieces\u003c\/li\u003e\n\u003cli\u003e7-Element Fully Multi-Coated Optics\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\u003eCelestron Luminos 15mm Eyepiece - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Luminos 15mm Eyepiece delivers an immersive, ultra-wide 82° apparent field of view in a standard 1.25\" barrel. Its 7-element optical design is fully multi-coated to maximize contrast, and the generous 17mm of eye relief ensures comfortable viewing for most observers. Weighing just 12.91 oz, this eyepiece provides expansive views without requiring significant counterbalancing on most 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\u003eAn 82° Apparent Field with 7 Lens Elements\u003c\/h3\u003e\n\u003cp\u003eThe 82° apparent field of view fundamentally changes how you see objects, creating a \"spacewalk\" effect where the eyepiece body seems to disappear. The 15mm focal length provides medium magnification, ideal for framing entire open clusters like the Pleiades (M45) or resolving globular clusters like the Hercules Cluster (M13) into individual stars against a dark background. The 7-element, 4-group optical system corrects for aberrations, delivering sharp stars across 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\u003eParfocal Design with 17mm of Eye Relief\u003c\/h3\u003e\n\u003cp\u003eThe Luminos series is parfocal, meaning you can swap between the 15mm and other Luminos eyepieces with little to no refocusing, saving critical time when observing. The 17mm of eye relief is substantial for an ultra-wide design, allowing many eyeglass wearers to see the full field of view. A simple twist of the central rubber grip raises or lowers the pop-up eyeguard, letting you set the perfect viewing distance and block stray light.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Grip:\u003c\/strong\u003e The polished and anodized aluminum body features a wide rubber grip for secure handling, even with gloves on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Ready:\u003c\/strong\u003e The 1.25\" barrel is threaded to accept standard astronomy filters for enhancing views of nebulae or planets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePop-Up Eyeguard:\u003c\/strong\u003e The retractable eyeguard adjusts with a simple twist, providing a comfortable custom fit for any observer.\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\u003eCelestron Luminos 15mm: The 82° Value Proposition\u003c\/h3\u003e\n\u003cp\u003eWhile 82° eyepieces have historically been a premium purchase, the Luminos 15mm makes this immersive experience more accessible. It competes directly with more expensive designs by delivering the same expansive field of view and comfortable eye relief.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Premium Brands:\u003c\/strong\u003e The Luminos provides the key benefits of an 82° field—framing large objects and creating an immersive feel—at a fraction of the cost of benchmark eyepieces in the same category.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrade-Offs:\u003c\/strong\u003e The primary trade-off is in edge-of-field correction on very fast (f\/4-f\/5) telescopes, where some coma may be visible. However, on f\/6 and slower instruments like SCTs, Maksutovs, and many refractors, performance is exceptionally strong.\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\"\u003eIs the Luminos 15mm a good choice for planetary viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile its primary strength is wide-field deep-sky observing, the Luminos 15mm can be an excellent medium-power planetary eyepiece. On a telescope with a 1500mm focal length, it provides 100x magnification, which is perfect for viewing Jupiter's cloud bands or Saturn's rings when seeing conditions are average. The wide field also makes it easier to track the planet if you are using a non-motorized mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Luminos 15mm perform on the Orion Nebula (M42) in an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" SCT with a 2000mm focal length, the Luminos 15mm yields 133x magnification. This is an ideal power for framing the entire core of the Orion Nebula (M42), including the Trapezium star cluster and the surrounding nebulosity. The 82° field will show the nebula suspended in a wide, dark field of background stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 17mm eye relief on the Luminos 15mm eyepiece sufficient for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the 17mm eye relief is generally considered very comfortable for most eyeglass wearers. It allows you to keep your glasses on and still see most, if not all, of the 82° apparent field of view. The pop-up eyeguard can be retracted to accommodate glasses easily.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does it mean that the Luminos 15mm is 'parfocal'?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBeing parfocal means that all eyepieces in the Celestron Luminos series are designed to reach focus at the same point. This allows you to switch from the 15mm to another Luminos eyepiece (like a 10mm or 23mm) and only need a very small, if any, adjustment to the focuser. It makes changing magnification much faster and more convenient.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Luminos 15mm eyepiece work in a 2\" focuser?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, but you will need a 2\"-to-1.25\" adapter. The Luminos 15mm has a 1.25\" barrel, so it will not fit directly into a 2\" focuser. Most telescopes that come with a 2\" focuser also include the necessary adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I clean the optics on my Luminos 15mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo clean the lenses, first use a blower bulb to remove any loose dust or debris. If smudges or fingerprints remain, gently wipe the lens surface with a clean, soft microfiber cloth dampened with a few drops of a dedicated optical cleaning solution. Use a circular motion from the center to the edge.\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\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e15mm (0.59\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e82°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\" (32mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e17mm (0.67\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e7 elements in 4 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParfocal\u003c\/td\u003e\n\u003ctd\u003eYes, with all Luminos eyepieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e26mm (1.02\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eYes (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyeguard\u003c\/td\u003e\n\u003ctd\u003eYes, retractable pop-up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePolished and Anodized Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e12.91 oz (366 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e87mm x 62mm x 62mm (3.43\" x 2.44\" x 2.44\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003ctd\u003eNo\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\"\u003eLuminos 15mm Eyepiece - 1.25\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDust Cap (Top)\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\"\u003eDust Cap (Bottom)\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:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967146455325,"sku":"CEL-93432","price":195.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Luminos-15-mm-Eyepiece-93432-1__84877.1594230255.1280.1280.jpg?v=1684337178"},{"product_id":"celestron-luminos-19-mm-2","title":"Celestron Luminos 19 mm - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e82° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e19mm Focal Length in a 2\" Barrel\u003c\/li\u003e\n\u003cli\u003e6-Element Fully Multi-Coated Optics\u003c\/li\u003e\n\u003cli\u003eGenerous 20mm Eye Relief\u003c\/li\u003e\n\u003cli\u003eParfocal with all Luminos Eyepieces\u003c\/li\u003e\n\u003cli\u003eRetractable Pop-Up Eye Guard\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\u003eCelestron Luminos 19mm Eyepiece - 2\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Luminos 19mm Eyepiece delivers an expansive 82° apparent field of view through a 6-element optical system set in a 2\" barrel. Its fully multi-coated lenses and a 30mm field stop create bright, high-contrast images, while the comfortable 20mm of eye relief makes it accessible for all observers. Weighing 17.64oz, this eyepiece is part of a parfocal series, ensuring minimal refocusing when switching between magnifications.\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 82° Window to the Cosmos: The 6-Element Optical Path\u003c\/h3\u003e\n\u003cp\u003eThe 82° apparent field of view fundamentally changes your observing experience, creating an immersive \"spacewalk\" effect that fills your vision. This ultra-wide perspective is produced by a 6-element, 4-group optical design where every glass surface is fully multi-coated, maximizing light transmission and contrast. This design excels in any telescope, from fast, short-focus refractors to large EdgeHD systems, revealing faint stars and subtle nebular details that narrower fields can miss.\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\u003eField-Ready Design with 20mm of Eye Relief\u003c\/h3\u003e\n\u003cp\u003eEngineered for practical use, the Luminos 19mm features a generous 20mm of eye relief, allowing eyeglass wearers to see the entire 82° field without obstruction. The main body is machined from polished, anodized aluminum for durability. A unique rubber grip band provides a secure hold in all conditions and doubles as the control for the pop-up eye guard—a simple twist raises or lowers it to the perfect height, blocking stray light and improving contrast.\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\u003eParfocal Design for Effortless Deep-Sky Viewing\u003c\/h3\u003e\n\u003cp\u003eThe entire Celestron Luminos line is designed to be parfocal, a critical feature for serious observers. This means you can swap the 19mm eyepiece with any other Luminos model and require little to no refocusing. This saves valuable time when you're comparing views of a galaxy or nebula at different magnifications, keeping your target sharp and centered as you move through the eyepiece series. The 2\" barrel is also threaded to accept standard astronomy filters, allowing you to enhance views of emission nebulae with a UHC or O-III filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eCelestron Luminos 19mm: A Comparative Perspective\u003c\/h3\u003e\n\u003cp\u003eIn the popular 82° eyepiece category, the Luminos 19mm holds its own against competitors. While many ultra-wide eyepieces offer excellent optics, the Luminos series places a strong emphasis on user-friendly features that make a tangible difference during an observing session.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Eyecup:\u003c\/strong\u003e The integrated twist-up eyecup is a significant ergonomic advantage over eyepieces with simple fold-down rubber guards, providing a more customized and comfortable fit for any observer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParfocal Convenience:\u003c\/strong\u003e The parfocal nature across the entire series is a key differentiator, offering a seamless experience that many other eyepiece lines lack, forcing a full refocus with every change in magnification.\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\"\u003eIs the Luminos 19mm a good choice for planetary viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the Luminos 19mm can be used for planets, its strength is in wide-field deep-sky observing. A 19mm focal length provides low-to-medium power in most telescopes. For high-magnification views of Jupiter or Saturn, you would typically use a much shorter focal length eyepiece (e.g., under 10mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Luminos 19mm eyepiece perform in my 8\" f\/10 Schmidt-Cassegrain?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" SCT with a 2032mm focal length, the Luminos 19mm eyepiece will provide approximately 107x magnification. This is an excellent medium power for viewing objects like the Orion Nebula (M42) or the Hercules Cluster (M13), framing them beautifully within the wide 82° field of view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"parfocal\" mean for the Luminos 19mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBeing \u003cstrong\u003eparfocal\u003c\/strong\u003e means that the Luminos 19mm eyepiece will remain in focus when you switch it with any other eyepiece in the Luminos series. This is a major convenience, as it eliminates the need to make large focus adjustments when changing magnification, saving time and keeping your target centered.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use filters with the Celestron Luminos 19mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 2\" insert barrel of the Luminos 19mm is threaded to accept standard 2\" astronomical filters. This allows you to use nebula filters (like UHC or O-III) to enhance contrast on deep-sky objects or color filters for planetary observing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWith 20mm of eye relief, is the Luminos 19mm good for people who wear glasses?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The \u003cstrong\u003e20mm eye relief\u003c\/strong\u003e is very generous and allows most eyeglass wearers to position their eye at the correct distance to see the entire 82° field of view. The adjustable eyecup also helps to set the perfect distance whether you are observing with or without glasses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 82° field of view of the Luminos 19mm compare to a standard Plössl?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA standard Plössl eyepiece has an apparent field of view of around 50°-52°. The 82° field of the Luminos 19mm feels significantly more expansive and immersive, like looking out of a spaceship window rather than through a narrow tube. It allows you to see a much larger patch of sky at the same magnification.\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\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e2\" (50.8mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e19mm (0.75\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e82°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e6 elements, 4 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e20mm (0.79\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e30mm (1.18\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParfocal\u003c\/td\u003e\n\u003ctd\u003eYes, with all Luminos eyepieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eAccepts 2\" filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Guard\u003c\/td\u003e\n\u003ctd\u003eYes, retractable pop-up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePolished and Anodized Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e93.5mm x 67.5mm x 67.5mm (3.68\" x 2.66\" x 2.66\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e17.64 oz (500g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Celestron Luminos 19mm Eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/93433_luminos_19mm_eyepiece_2_in_1.jpg?v=1685025988\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLuminos 19mm Eyepiece - 2\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Top Dust Cap for 2-inch Eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-2-inch-eyepiece-cap.jpg?v=1782030026\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTop Dust Cap\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Bottom Dust Cap for 2-inch Eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-2-inch-eyepiece-plug.jpg?v=1782030026\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBottom Dust Cap\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:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003eCelestron PWI Telescope Control Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967146520861,"sku":"CEL-93433","price":278.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Luminos-19-mm-Eyepiece-93433-1__22134.1594230256.1280.1280.jpg?v=1684337181"},{"product_id":"celestron-luminos-23-mm-2","title":"Celestron Luminos 23 mm - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e23mm Focal Length for Medium-Low Power Wide Views\u003c\/li\u003e\n\u003cli\u003e82° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e2\" Barrel Diameter\u003c\/li\u003e\n\u003cli\u003e20mm Eye Relief for Viewing Comfort\u003c\/li\u003e\n\u003cli\u003e6-Element Optical Design\u003c\/li\u003e\n\u003cli\u003eParfocal with all Luminos Eyepieces\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\u003eCelestron Luminos 23mm Eyepiece - 2\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Luminos 23mm Eyepiece delivers an expansive 82° apparent field of view through its 2\" barrel, utilizing a 6-element optical design to frame large celestial objects. With a comfortable 20mm of eye relief and a substantial 37mm field stop, this eyepiece provides immersive, wide-field views in telescopes of all types. All Luminos eyepieces are parfocal, meaning you can switch from this 23mm model to another in the series with little to no refocusing required.\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 Immersive 82° Field of View\u003c\/h3\u003e\n\u003cp\u003eWith an apparent field of view of 82°, the Luminos 23mm creates a \"spacewalk\" experience, where the edge of the eyepiece seems to disappear. This ultra-wide perspective is ideal for framing large deep-sky objects like the Orion Nebula (M42) or the Andromeda Galaxy (M31) in their entirety, providing context that narrower eyepieces cannot. The 23mm focal length provides a versatile medium-low magnification, perfect for scanning the Milky Way's star fields or locating your next target.\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\u003e6-Element, Fully Multi-Coated Optics\u003c\/h3\u003e\n\u003cp\u003eThe internal 6-element, 4-group optical design is engineered to maintain sharp star points across the wide 82° field, especially in moderate to long focal ratio telescopes. Every air-to-glass surface is fully multi-coated, which maximizes light transmission and minimizes internal reflections. This results in brighter images and higher contrast, allowing you to discern faint details in galactic dust lanes or planetary cloud bands.\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\u003e20mm Eye Relief and Parfocal Engineering\u003c\/h3\u003e\n\u003cp\u003eThe Luminos 23mm features a generous 20mm of eye relief, allowing most eyeglass wearers to see the full field of view without removing their glasses. An integrated pop-up eyeguard, adjustable with a simple twist of the rubber grip, helps you find the perfect eye position and blocks stray light. As a parfocal eyepiece, it is designed to maintain focus when swapped with other Luminos models, a critical time-saver during observing sessions that eliminates the need for constant refocusing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Grip:\u003c\/strong\u003e A tactile rubber grip runs around the equator of the polished aluminum body, ensuring secure handling even with gloves on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Ready:\u003c\/strong\u003e The 2\" insert barrel is threaded to accept standard 2\" astronomy filters for enhancing views of nebulae or reducing light pollution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid Build:\u003c\/strong\u003e The machined aluminum body gives the eyepiece a solid feel, weighing in at 28.24oz (800.5g).\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\"\u003eIs the Luminos 23mm eyepiece good for planetary viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the Luminos 23mm's strength is its wide field for deep-sky objects, it can provide excellent low-power views of planets, showing them within the context of their surrounding moons. For high-magnification planetary detail, you would typically use a shorter focal length eyepiece. However, the 23mm is perfect for initially locating planets and enjoying a wider perspective.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Luminos 23mm perform on the Andromeda Galaxy (M31) in an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" f\/10 SCT with a 2032mm focal length, the Luminos 23mm yields about 88x magnification. This is an excellent magnification for framing the entirety of the Andromeda Galaxy's bright core and its surrounding dust lanes. The 82° field of view will be wide enough to comfortably contain M31 and its satellite galaxies, M32 and M110, in a single, immersive view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 20mm eye relief on the Luminos 23mm sufficient for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, 20mm of eye relief is considered very generous and is sufficient for most observers who wear glasses for astigmatism or other corrections. You should be able to see the entire 82° field of view comfortably. The pop-up eyeguard can be kept down to accommodate your glasses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does it mean that the Luminos 23mm is \"parfocal\"?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eParfocal means that this eyepiece will remain in focus when you switch it with any other eyepiece in the Celestron Luminos series. This is a significant convenience, as it saves you from having to make major adjustments to the focuser each time you change magnification, streamlining your observing session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the weight of the Luminos 23mm (28.24oz) require me to rebalance my telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAt over 1.7 pounds (800.5g), the Luminos 23mm is a substantial eyepiece. When switching from a much lighter 1.25\" eyepiece, you will almost certainly need to rebalance your telescope, especially on German Equatorial Mounts or Dobsonian telescopes with sensitive balance points. It's good practice to check your balance after any major change in accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2\" filters with the Luminos 23mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the 2\" barrel of the Luminos 23mm is threaded to accept standard 2\" filters. This allows you to easily attach light pollution, nebula, or color filters to enhance your views of various celestial objects.\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\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e23mm (0.91\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e2\" (50.8mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e82°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e6 elements, 4 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e20mm (0.79\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e37mm (1.46\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParfocal\u003c\/td\u003e\n\u003ctd\u003eYes, with Luminos series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eYes (2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Guard\u003c\/td\u003e\n\u003ctd\u003eYes, Retractable Pop-up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e28.24oz (800.5g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e110.5mm x 80.5mm x 80.5mm (4.35\" x 3.17\" x 3.17\")\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\"\u003eCelestron Luminos 23mm Eyepiece - 2\"\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\"\u003eLens Cap (Top)\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\"\u003eBarrel Cap (Bottom)\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\/Celestron_Luminos_Series_Eyepiece_Manual.pdf?v=1782186782\" 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 Celestron Luminos Series Eyepiece 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\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967146553629,"sku":"CEL-93434","price":347.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Luminos-23-mm-Eyepiece-93434-1__22398.1594230256.1280.1280.jpg?v=1684337184"},{"product_id":"celestron-luminos-31-mm-2","title":"Celestron Luminos 31 mm - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e82° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e31mm Focal Length\u003c\/li\u003e\n\u003cli\u003e2\" Barrel Size\u003c\/li\u003e\n\u003cli\u003e27mm Eye Relief\u003c\/li\u003e\n\u003cli\u003eParfocal with other Luminos eyepieces\u003c\/li\u003e\n\u003cli\u003ePop-up Adjustable Eyeguard\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\u003eCelestron Luminos 31mm Eyepiece - 2\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Luminos 31mm Eyepiece delivers an expansive 82° apparent field of view through its 2\" barrel, utilizing a 47mm field stop to provide a truly wide-field window on the sky. Its 6-element optical design provides generous views, and the comfortable 27mm of eye relief makes it accessible for long observing sessions. At 1186g, its polished aluminum body houses fully multi-coated optics designed for low-power, immersive views of large celestial objects.\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 82° Immersive View with a 47mm Field Stop\u003c\/h3\u003e\n\u003cp\u003eEngineered for deep-sky observation, the Luminos 31mm's primary strength is its vast 82° apparent field of view. This ultra-wide perspective is made possible by a large 47mm field stop, nearly the maximum permissible in the 2\" barrel format. The result is a low-power, high-contrast view that can frame entire star clusters and large nebulae like the North American Nebula (NGC 7000) within a single field.\u003c\/p\u003e\n\u003cp\u003eThe 6-element, 4-group optical system is fully multi-coated to maximize light transmission and contrast, ensuring that faint details in galactic dust lanes or the outer arms of galaxies are not lost. This combination of wide field and optical quality makes the 31mm Luminos an ideal \"finder\" eyepiece for locating targets in SCTs and other long focal length instruments.\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\u003e27mm of Eye Relief in a User-Focused Design\u003c\/h3\u003e\n\u003cp\u003eComfort during long observing sessions is critical, and the Luminos 31mm provides an exceptional 27mm of eye relief. This long eye relief allows you to see the entire 82° field without pressing your eye against the lens, a crucial feature for observers who wear eyeglasses to correct for astigmatism.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Eyeguard:\u003c\/strong\u003e A simple twist of the rubber grip raises or lowers the pop-up eyeguard. This allows you to set the perfect distance from the eye lens, blocking stray light and preventing blackouts or \"kidney-beaning\" effects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Grip:\u003c\/strong\u003e The anodized aluminum body features a wide rubber grip that ensures secure handling, even with gloves on during cold nights. At a substantial weight of 1186g, this secure grip is essential for safe handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Ready:\u003c\/strong\u003e The 2\" barrel is threaded to accept standard 2\" astronomy filters, allowing you to easily add a nebula or light pollution filter to enhance your views.\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\u003eParfocal Convenience Across the Luminos Eyepiece Series\u003c\/h3\u003e\n\u003cp\u003eAll eyepieces in the Celestron Luminos series are designed to be parfocal. This means that when you switch between the 31mm and other Luminos models, your telescope will require little to no refocusing. This feature saves valuable time at the eyepiece, letting you seamlessly change magnifications to study different aspects of an object without the distraction of finding focus again.\u003c\/p\u003e\n\u003cp\u003eThis is particularly useful when moving from the low-power, wide-field view of the 31mm to a higher-power Luminos for more detailed inspection. The transition is smooth and immediate, keeping your target centered and sharp, and your attention on observing.\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 Luminos 31mm's 82° field of view?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 82° apparent field of view provides an immersive, \"spacewalk\" experience. For a 31mm focal length, this translates to a very wide true field of view, allowing you to see large objects like the Andromeda Galaxy (M31) or the Pleiades (M45) in their entirety, which is often not possible with standard eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Celestron Luminos 31mm a good choice for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. With a generous eye relief of 27mm, the Luminos 31mm is an excellent choice for observers who need to wear glasses. You can comfortably see the entire 82° field of view without removing your spectacles. The pop-up eyeguard helps set the correct distance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Luminos 31mm perform in my 8\" f\/10 Schmidt-Cassegrain telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" SCT with a 2032mm focal length, the Luminos 31mm will provide 65.5x magnification and a very large 3.1mm exit pupil, which is ideal for deep-sky observing from moderately light-polluted skies. The true field of view would be approximately 1.25°, wide enough to frame large open clusters and nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does it mean that the Luminos 31mm eyepiece is \"parfocal\"?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBeing \u003cstrong\u003eparfocal\u003c\/strong\u003e means this eyepiece shares a common focal plane with other eyepieces in the Celestron Luminos series. When you switch from the 31mm to another Luminos eyepiece, your telescope will remain in focus, requiring minimal or no adjustment. This saves time and makes comparing views at different magnifications much easier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eThe Luminos 31mm is quite heavy at 1186g. Will this be an issue for my mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe weight of 41.83oz (1186g) is substantial. You will need to ensure your telescope is properly balanced on its mount after inserting this eyepiece, especially if you are switching from a much lighter 1.25\" eyepiece. Re-balancing by sliding the optical tube in its cradle or adjusting counterweights will prevent strain on the mount's motors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2\" filters with the Celestron Luminos 31mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the insert barrel of the Luminos 31mm is threaded to accept standard 2\" filters. This allows you to easily attach light pollution, nebula, or planetary filters to enhance your views of specific objects.\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\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e2\" (50.8mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e31mm (1.22\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e82°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece Type\u003c\/td\u003e\n\u003ctd\u003eUltra Wide Field\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e6 elements in 4 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e27mm (1.06\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e47mm (1.85\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParfocal\u003c\/td\u003e\n\u003ctd\u003eYes, with Luminos series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eAccepts 2\" filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Guard\u003c\/td\u003e\n\u003ctd\u003eYes - Pop up, retractable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePolished and Anodized Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e125.5mm x 93mm x 93mm (4.94\" x 3.66\" x 3.66\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e41.83 oz (1186g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNOTE: What's In The Box data was not provided for this product.\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:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eVisit Celestron's Driver and Software Page\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\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967146586397,"sku":"CEL-93435","price":417.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Luminos-31-mm-Eyepiece-93435-1__70783.1594230257.1280.1280.jpg?v=1684337187"},{"product_id":"celestron-luminos-7-mm-1-25","title":"Celestron Luminos 7 mm - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e7mm Focal Length for High-Magnification Views\u003c\/li\u003e\n\u003cli\u003eExpansive 82° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003eFully Multi-Coated 8-Element Optics\u003c\/li\u003e\n\u003cli\u003eParfocal with all Luminos Eyepieces\u003c\/li\u003e\n\u003cli\u003e12mm Eye Relief with Adjustable Pop-Up Eyeguard\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" Barrel Threaded for 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\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\u003eCelestron Luminos 7mm Eyepiece - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Luminos 7mm Eyepiece delivers high-magnification planetary and lunar views across an immersive 82° apparent field of view. Its complex 8-element, 5-group optical design is fully multi-coated to maximize contrast on fine details. Weighing 10.79 oz, this eyepiece features 12mm of eye relief and is parfocal with other Luminos models, minimizing refocusing when you switch magnifications.\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 82° Apparent Field of View for High-Power Immersion\u003c\/h3\u003e\n\u003cp\u003eWith an 82° apparent field, the 7mm Luminos provides a \"spacewalk\" viewing experience that far exceeds the narrow field of a standard Plössl or Kellner. The 7mm focal length produces high power, ideal for resolving details like Jupiter's cloud bands, Saturn's Cassini Division, or craterlets on the lunar surface. The wide field keeps these objects in view longer as they drift, reducing the need for constant adjustments with non-driven mounts.\u003c\/p\u003e\n\u003cp\u003eThe optical system uses 8 lens elements arranged in 5 groups to maintain sharp views from the center to the edge of the 15mm field stop. This design ensures that whether you are using a short focal length refractor or a large EdgeHD SCT, the view remains crisp and expansive.\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\u003eParfocal Design and 12mm Eye Relief for Seamless Observing\u003c\/h3\u003e\n\u003cp\u003eAll eyepieces in the Luminos series are parfocal, a critical feature for efficient observing. This means you can swap from the 7mm to another Luminos eyepiece and require little to no change in focus, saving valuable time when conditions are optimal. The body is constructed from polished and anodized aluminum for durability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Eyeguard:\u003c\/strong\u003e A simple twist of the central rubber grip raises or lowers the pop-up eyeguard, allowing you to set the perfect distance for the 12mm of eye relief. This is a notable limitation for observers who require thick eyeglasses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Grip:\u003c\/strong\u003e The rubber grip provides a secure, tactile hold, even when wearing gloves on cold nights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Ready:\u003c\/strong\u003e The 1.25\" barrel is threaded to accept standard astronomy filters, allowing you to easily add a moon filter for lunar observing or a color filter to enhance planetary features.\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 does the Luminos 7mm perform on planets in an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" f\/10 Schmidt-Cassegrain telescope (2032mm focal length), the Luminos 7mm eyepiece provides a high magnification of 290x. This is an excellent power for detailed views of Jupiter's Great Red Spot and major cloud belts, as well as the rings of Saturn, provided seeing conditions are stable. The 82° field will give you a wide, immersive view, making the planet feel like it's suspended in space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 12mm eye relief on the Luminos 7mm sufficient for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 12mm of eye relief is on the shorter side for observers who need to wear glasses to correct for astigmatism. While some users with minimal correction might see most of the field, those with thicker lenses will likely experience a restricted field of view. For non-eyeglass wearers, the pop-up eyeguard makes it easy to find a comfortable viewing position.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"parfocal\" mean for the Luminos 7mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBeing \u003cstrong\u003eparfocal\u003c\/strong\u003e means that the Celestron Luminos 7mm will reach focus at the same point as other eyepieces in the Luminos series. This allows you to switch between, for example, a low-power 23mm Luminos and this high-power 7mm Luminos with minimal or no need to adjust the telescope's focuser, which is a significant convenience during an observing session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the 82° field of view on the Luminos 7mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn 82° apparent field of view creates a much more immersive experience than standard 50° eyepieces. At the high magnification provided by the 7mm focal length, this wide field makes it easier to track celestial objects as they drift across the sky and provides a \"spacewalk\" feeling that many observers prefer for planetary and lunar observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use filters with the Celestron Luminos 7mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 1.25\" barrel of the Luminos 7mm is threaded to accept standard 1.25\" astronomical filters. This allows you to easily attach neutral density filters for observing the Moon, or colored filters to enhance specific features on planets like Mars or Jupiter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I adjust the pop-up eyeguard on the Luminos 7mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe eyeguard is adjusted by twisting the rubber grip that runs around the middle of the eyepiece body. A simple twist will raise or lower the eyecup, allowing you to set the optimal distance from the top lens to your eye for maximum comfort and to block stray light.\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\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\" (32mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e7mm (0.28\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e82°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e8 elements, 5 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e12mm (0.47\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e15mm (0.59\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParfocal\u003c\/td\u003e\n\u003ctd\u003eYes, with all Luminos eyepieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eYes (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Guard\u003c\/td\u003e\n\u003ctd\u003eYes - Pop up, adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e89.5mm x 54mm x 54mm (3.52\" x 2.12\" x 2.12\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e10.79 oz (306 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Celestron Luminos 7mm Eyepiece\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Luminos-7mm-Eyepiece-1.jpg?v=1782255776\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLuminos 7mm Eyepiece - 1.25\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Eyepiece Dust Cap (Top)\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Luminos-Top-Cap.jpg?v=1782255776\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDust Cap (Top)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Eyepiece Dust Cap (Bottom)\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Luminos-Bottom-Cap.jpg?v=1782255776\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDust Cap (Bottom)\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\/Celestron_Luminos_Series_Manual.pdf?v=1782256036\" 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 Celestron Luminos Series 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\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967146619165,"sku":"CEL-93430","price":195.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Luminos-7-mm-Eyepiece-93430-1__67547.1594230257.1280.1280.jpg?v=1684337190"}],"url":"https:\/\/davidastro.com\/en-us\/collections\/celestron-luminos-eyepieces.oembed","provider":"David Astro","version":"1.0","type":"link"}