{"title":"Celestron Cometron Binoculars and Telescopes","description":"\u003cp\u003eCelestron Cometron is a small family of wide-field instruments named for comet hunting and casual sky sweeping. It includes the Cometron 7x50 binoculars, with large exit pupils that suit low-light viewing of star fields and the Milky Way, and the Cometron FirstScope, a tabletop reflector that is easy to set on a table and aim by hand.\u003c\/p\u003e\u003cp\u003eBoth are light, simple to use and a sensible first step for children or anyone starting to learn the night sky.\u003c\/p\u003e","products":[{"product_id":"celestron-cometron-7x50-binoculars","title":"Celestron Cometron 7x50 Binoculars","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e7x Magnification\u003c\/li\u003e\n\u003cli\u003e50mm Objective Lenses\u003c\/li\u003e\n\u003cli\u003e6.6° Angular Field of View\u003c\/li\u003e\n\u003cli\u003eMulti-Coated Optics\u003c\/li\u003e\n\u003cli\u003eBK7 Porro Prisms\u003c\/li\u003e\n\u003cli\u003eWater Resistant\u003c\/li\u003e\n\u003cli\u003eTripod Adaptable\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\u003eCelestron Cometron 7x50mm Porro Binoculars\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Cometron 7x50mm Porro Binoculars combine large 50mm objective lenses with 7x magnification to produce a massive 7.1mm exit pupil, delivering bright, steady images ideal for scanning the night sky. With a wide 6.6° field of view, you can frame large comets or constellations, while the multi-coated optics and BK7 prisms ensure high-contrast views of the Moon's craters and faint star fields down to a limiting magnitude of 10.99.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eBright, Wide-Field Views: 50mm Objectives and a 6.6° Field\u003c\/h3\u003e\n\u003cp\u003eThe core of the Cometron 7x50's astronomical capability lies in its light-gathering power. The 50mm objective lenses collect a substantial amount of light, which, combined with the conservative 7x magnification, results in an extremely bright 50.41 relative brightness index and a 7.1mm exit pupil that fully illuminates a dark-adapted eye. This design makes it easy to detect faint, diffuse objects like comet tails and nebulae, while the expansive 6.6° angular field of view lets you sweep across the Milky Way or track moving objects without constant adjustment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Coated Optics:\u003c\/strong\u003e Key surfaces are coated to increase light transmission and contrast, reducing internal reflections for a sharper, clearer image.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBK7 Prism Glass:\u003c\/strong\u003e Utilizes proven BK7 glass in a Porro prism design, a classic choice for astronomical binoculars that offers excellent image quality for the price.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Linear Field:\u003c\/strong\u003e At 1000 yards, you see a 344-foot-wide swath of sky, making it simple to locate targets and understand their context within surrounding star patterns.\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\u003e27.3 oz Grab-and-Go Design: Lightweight and Tripod Ready\u003c\/h3\u003e\n\u003cp\u003eWeighing just 27.3 oz (774 g), the Cometron 7x50 is light enough for handheld scanning sessions, supported by the included neck strap. The rubberized aluminum housing is durable and water-resistant, protecting your optics from evening dew. For longer, more stable viewing, the binoculars are tripod-adaptable, allowing you to mount them for a shake-free view, which is essential for sharing observations or studying fine detail.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Fit:\u003c\/strong\u003e Interpupillary distance can be set from 56mm to 72mm to match your eye spacing, and a ±3 diopter adjustment on one eyepiece corrects for differences in vision between your eyes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEye Relief Consideration:\u003c\/strong\u003e The 13mm eye relief is comfortable for most users, but those who wear glasses may need to fold down the rubber eyecups to see the full field of view.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady for the Field:\u003c\/strong\u003e Comes complete with a woven nylon carrying case, objective and eyepiece caps, and a lens cloth, providing everything needed for transport and basic maintenance.\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\"\u003eAre the Celestron Cometron 7x50mm binoculars good for viewing planets?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the Cometron 7x50mm binoculars will show Jupiter's moons and reveal Saturn's shape, their primary strength is wide-field viewing, not high-magnification planetary detail. The 7x magnification is too low to resolve features like Jupiter's cloud bands or the Cassini Division in Saturn's rings. They are better suited for sweeping views of the Milky Way, locating comets, and observing large open clusters like the Pleiades (M45).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do the Cometron 7x50mm binoculars handle light pollution?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe large 7.1mm exit pupil is excellent for dark skies but can be a drawback in heavily light-polluted areas. A large exit pupil can make the sky background appear grayish and washed out, reducing contrast on faint objects. For best results with these binoculars, use them from a location with minimal city glow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Cometron 7x50mm binoculars if I wear glasses?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith 13mm of eye relief, the Celestron Cometron 7x50mm binoculars are usable with eyeglasses, though it may be a tight fit for some users. To see the entire 6.6° field of view, you will likely need to fold down the rubber eyecups. Observers with mild prescriptions may find it more comfortable to remove their glasses and refocus using the binocular's diopter adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose 7x50 binoculars for astronomy instead of higher-power ones?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 7x50 configuration is a classic choice for astronomy for two main reasons. First, the 7x magnification is low enough to be easily held steady without a tripod, preventing shaky images. Second, the combination of 7x power and 50mm lenses creates a very bright image and a wide field of view, which is perfect for finding your way around the constellations and observing large celestial objects in their entirety.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAre the Cometron 7x50mm binoculars waterproof?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Cometron 7x50mm binoculars are rated as \u003cstrong\u003eWater Resistant\u003c\/strong\u003e, not waterproof. This means they can handle dew, mist, or a light splash, but they are not nitrogen-purged and should not be submerged in water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a tripod for the Celestron Cometron 7x50mm binoculars?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA tripod is not strictly necessary, as the 7x magnification is manageable for handheld use. However, using a tripod (with an adapter, sold separately) is highly recommended for extended viewing sessions to eliminate arm fatigue and provide a completely stable image, which makes it easier to spot faint details on the Moon or in star clusters.\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\u003e7x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Lens Diameter\u003c\/td\u003e\n\u003ctd\u003e50mm (1.97\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngular Field of View\u003c\/td\u003e\n\u003ctd\u003e6.6°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Field of View\u003c\/td\u003e\n\u003ctd\u003e344 ft @ 1000 yds (105 m @ 1000 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExit Pupil\u003c\/td\u003e\n\u003ctd\u003e7.1mm (.28\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e13mm (.51\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClose Focus\u003c\/td\u003e\n\u003ctd\u003e26.2 ft (8 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterpupillary Distance\u003c\/td\u003e\n\u003ctd\u003e56mm - 72mm (2.20\" - 2.83\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiopter Adjustment\u003c\/td\u003e\n\u003ctd\u003e±3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwilight Factor\u003c\/td\u003e\n\u003ctd\u003e18.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Brightness\u003c\/td\u003e\n\u003ctd\u003e50.41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Stellar Magnitude\u003c\/td\u003e\n\u003ctd\u003eIdeal: 10.99 | Moderate: 9.99 | Poor: 8.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eMulti-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrism Glass\u003c\/td\u003e\n\u003ctd\u003eBK7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrism Coatings\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e27.3 oz (774 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eWater Resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrogen Filled\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Adaptable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e168mm x 198mm x 64mm (6.6\" x 7.8\" x 2.5\")\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\"\u003eNeck strap\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\"\u003eWoven Nylon Carrying case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eObjective lens caps\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eEyepiece caps\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLens cloth\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\"\u003eInstruction manual\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\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron Limited Lifetime Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967150813469,"sku":"CEL-71198","price":67.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Cometron-7x50-Binoculars-71198-1__12625.1594230272.1280.1280.jpg?v=1684337259"}],"url":"https:\/\/davidastro.com\/en-us\/collections\/celestron-cometron-binoculars-and-telescopes.oembed","provider":"David Astro","version":"1.0","type":"link"}