{"product_id":"celestron-skymaster-gemini-2x40-binoculars","title":"Celestron SkyMaster Gemini 2x40 Ultra Wide-Field Binoculars","description":"\u003cp\u003e\u003cstrong\u003eCelestron SkyMaster Gemini 2x40 Ultra Wide-Field Binoculars\u003c\/strong\u003e — A specialised 2×40 ultra-wide-field binocular that expands the naked-eye view rather than delivering conventional high magnification. Its exceptionally broad 24° field is designed for sweeping constellations, the Milky Way, meteor activity, comets, concerts and sporting events.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/71010_SkyMaster_Gemini_2x40mm_Ultra_Wide-field_Binoculars_01_4d73db6d-15d1-4893-af93-0bfa3ca6d2b7.jpg?v=1786145623\" alt=\"Celestron SkyMaster Gemini 2x40 Ultra Wide-Field Binoculars product view\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eAn Expanded Naked-Eye View\u003c\/h2\u003e\n\u003cp\u003eAt 2× magnification, the Gemini shows a much larger part of the sky than a conventional astronomy binocular. The 40mm objectives gather more light than the unaided eye, while the low magnification makes it easier to follow large-scale sky patterns and moving subjects.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/71010_SkyMaster_Gemini_2x40mm_Ultra_Wide-field_Binoculars_02.jpg?v=1765921584\" alt=\"SkyMaster Gemini 2x40 optical body and objective lenses\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eOptical Design and Focusing\u003c\/h2\u003e\n\u003cp\u003eThe compact Galilean optical arrangement does not use a conventional prism system. Fully multi-coated optical surfaces improve light transmission, while a large 20mm exit pupil and individual focusing allow each side to be adjusted independently.\u003c\/p\u003e\n\u003cp\u003eThe published field of view is \u003cstrong\u003e24°\u003c\/strong\u003e, equivalent to 420m at 1,000m. Close focus is 2m (6.6ft), so this model is intended primarily for medium- to long-distance subjects.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/71010_SkyMaster_Gemini_2x40mm_Ultra_Wide-field_Binoculars_03.jpg?v=1765921585\" alt=\"SkyMaster Gemini 2x40 eyepiece and focusing controls\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eTripod Use and Weather Protection\u003c\/h2\u003e\n\u003cp\u003eAt only 192g, Gemini is suitable for handheld use. It is also tripod adaptable and Celestron includes a tripod adapter for longer observing sessions. The IPX4 rating provides resistance to splashing water, but the binocular is not waterproof or nitrogen filled.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeather protection:\u003c\/strong\u003e IPX4 water resistant. It is not nitrogen filled and should not be treated as fully waterproof.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/71010_SkyMaster_Gemini_2x40mm_Ultra_Wide-field_Binoculars_04.jpg?v=1765921584\" alt=\"SkyMaster Gemini 2x40 tripod mounting arrangement\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eWhat Is Included?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSkyMaster Gemini 2x40 binoculars\u003c\/li\u003e\n\u003cli\u003eTripod adapter\u003c\/li\u003e\n\u003cli\u003eNeck strap\u003c\/li\u003e\n\u003cli\u003eEyepiece cover\u003c\/li\u003e\n\u003cli\u003eObjective covers\u003c\/li\u003e\n\u003cli\u003eCloth hard-shell zip case\u003c\/li\u003e\n\u003cli\u003eLens-cleaning cloth\u003c\/li\u003e\n\u003cli\u003eFive-language quick setup guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e A tripod, solar filters and any item not listed above are not stated as included.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/71010_SkyMaster_Gemini_2x40mm_Ultra_Wide-field_Binoculars_05.jpg?v=1765921584\" alt=\"SkyMaster Gemini 2x40 carrying case and observing configuration\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eOptics\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;margin:20px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eOptical design\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eGalilean binocular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eMagnification\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e2×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eObjective diameter\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eObjective focal length\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNot stated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eAngular field of view\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e24°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eLinear field of view\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e420m at 1,000m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eExit pupil\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eEye relief\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eClose focus\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e2m (6.6ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eInterpupillary distance\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e56–72mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eDioptre adjustment\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e-5 to +3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eFocusing system\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eIndividual focus for each barrel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eOptical coatings\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFully multi-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003ePrism glass\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNot applicable (Galilean design)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eTwilight factor\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e8.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eRelative brightness\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eLimiting stellar magnitude\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e7.1 under ideal conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eConstruction and Size\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;margin:20px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eWeather resistance\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eIPX4 water resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eNitrogen filled\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eTripod mounting\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eTripod adaptable; tripod adapter included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eCarrying case\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCloth hard-shell zip case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e122 × 39 × 47mm (4.8 × 1.5 × 1.8 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eBinocular weight\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e192g (6.8oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eSolar Safety\u003c\/h2\u003e\n\u003cdiv style=\"background:#fff4e5;border-left:4px solid #f28c00;padding:16px;margin:20px 0;\"\u003e\n\u003cp style=\"margin-top:0;\"\u003e\u003cstrong\u003eWarning: Never look at or near the Sun through these binoculars.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese are not solar binoculars and do not include certified solar filters. Direct or nearby views of the Sun can cause immediate and permanent eye injury.\u003c\/p\u003e\n\u003cp style=\"margin-bottom:0;\"\u003eDo not attempt solar projection and do not attach improvised or eyepiece-mounted filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/71010_SkyMaster_Gemini_2x40mm_Ultra_Wide-field_Binoculars_06.jpg?v=1765921584\" alt=\"SkyMaster Gemini 2x40 supplied equipment and accessories\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eInstruction Manual\u003c\/h2\u003e\n\u003cp\u003eThe official Celestron documentation is provided in \u003cstrong\u003eEnglish, French, German, Italian and Spanish\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003ca href=\"https:\/\/celestron-site-support-files.s3.dualstack.us-east-1.amazonaws.com\/support_files\/71010_SkyMaster_Gemini_2x40mm_Ultra_Wide-field_Binoculars_QSG_5_Languages.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#111;color:#fff;padding:14px 24px;margin:6px;text-decoration:none;border-radius:4px;font-weight:600;\"\u003eView \/ Download SkyMaster Gemini 2x40 Quick Setup Guide\u003c\/a\u003e\u003c\/div\u003e\n","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55643747090808,"sku":"71010-CGL","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/01-71010-skymaster-gemini-2x40-01.jpg?v=1788002159","url":"https:\/\/www.darkclearskies.co.uk\/products\/celestron-skymaster-gemini-2x40-binoculars","provider":"Dark Clear Skies ","version":"1.0","type":"link"}