{"id":28542,"date":"2026-06-27T00:16:11","date_gmt":"2026-06-26T21:16:11","guid":{"rendered":"https:\/\/amt.ee\/?post_type=product&#038;p=28542"},"modified":"2026-06-30T11:40:06","modified_gmt":"2026-06-30T08:40:06","slug":"celestron-skymaster-25x70mm-porro-binoculars","status":"publish","type":"product","link":"https:\/\/amt.ee\/en\/product\/celestron-skymaster-25x70mm-porro-binoculars\/","title":{"rendered":"Celestron SkyMaster 25x70mm Astronomy-Binoculars"},"content":{"rendered":"<p><iframe loading=\"lazy\" title=\"Skymaster Binoculars Tour\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/F79SPH04Aco?start=1&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Celestron\u2019s SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use &#8211; especially over long distances. Each SkyMaster model features high quality BaK-4 prisms and multi-coated optics for enhanced contrast. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions.<\/p>\n<p>The 25x70mm version is one of the most popular models in the series. It offers serious large aperture light gathering in an affordable and reasonably lightweight configuration.<\/p>\n<table id=\"product-specs-list\" class=\"table-open\" role=\"table\" aria-label=\"Product Specifications\">\n<tbody role=\"rowgroup\">\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Magnification:<\/th>\n<td role=\"cell\">25x<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Objective Lens Diameter:<\/th>\n<td role=\"cell\">70mm (2.75&#8243;)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Focal Length of Objective Lens:<\/th>\n<td role=\"cell\">279.63mm (11&#8243;)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Angular Field of View:<\/th>\n<td role=\"cell\">2.7\u00b0<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Linear Field of View (@1000 yds) \/ @1000 m):<\/th>\n<td role=\"cell\">141 ft (47 m)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Exit Pupil:<\/th>\n<td role=\"cell\">2.8mm (.11&#8243;)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Eye Relief:<\/th>\n<td role=\"cell\">13mm (.51&#8243;)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Close Focus:<\/th>\n<td role=\"cell\">75 ft (23 m)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Interpupillary Distance (max):<\/th>\n<td role=\"cell\">72mm (2.83&#8243;)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Interpupillary Distance (min):<\/th>\n<td role=\"cell\">56mm (2.20&#8243;)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Diopter Adjustment Range:<\/th>\n<td role=\"cell\">-4 to +8<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Twilight Factor:<\/th>\n<td role=\"cell\">41.83<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Relative Brightness:<\/th>\n<td role=\"cell\">7.84<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Limiting Stellar Magnitude:<\/th>\n<td role=\"cell\"><b>Ideal:<\/b><span>\u00a0<\/span>11.73 |<span>\u00a0<\/span><b>Moderate:<\/b><span>\u00a0<\/span>10.73 |<span>\u00a0<\/span><b>Poor:<\/b><span>\u00a0<\/span>9.73<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Lens Coatings:<\/th>\n<td role=\"cell\">Multi-Coated<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Prism Glass (Type):<\/th>\n<td role=\"cell\">BaK-4<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Prism Coatings:<\/th>\n<td role=\"cell\">N\/A<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Weight:<\/th>\n<td role=\"cell\">52 oz (1474 g)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Environmental Protection:<\/th>\n<td role=\"cell\">Water Resistant<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Nitrogen Filled:<\/th>\n<td role=\"cell\">No<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Tripod Adaptable:<\/th>\n<td role=\"cell\">Yes<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Carrying Case:<\/th>\n<td role=\"cell\">Nylon<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Dimensions:<\/th>\n<td role=\"cell\">220mm x 110mm x 280mm (8.7&#8243; x 4.3&#8243; x 11.0&#8243;)<\/td>\n<\/tr>\n<tr role=\"row\">\n<th role=\"rowheader\" scope=\"row\">Included Items:<\/th>\n<td role=\"cell\">Objective lens caps<br \/>\nTripod adapter<br \/>\nRainguard<br \/>\nCarrying case<br \/>\nNeck strap<br \/>\nLens cloth<br \/>\nInstruction manual<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>25x magnification porro prism binocular<\/li>\n<li>Large 70 mm objective lens offers maximum image brightness in low-light and long-range conditions<\/li>\n<li>Ultra sharp focus across the field of view<\/li>\n<li>Multi-Coated optics for sharp, clear views<\/li>\n<li>Suitable for terrestrial or astronomical viewing<\/li>\n<li>Protective rubber covering for ultra-firm grip<\/li>\n<li>Large center focus knob for easy focusing<\/li>\n<li>Tripod adapter included<\/li>\n<li>Long eye relief ideal for eyeglass wearers<\/li>\n<li>Carrying case included for travel and safe storage<\/li>\n<\/ul>\n","protected":false},"featured_media":28558,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[41],"product_tag":[],"class_list":{"0":"post-28542","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-astronomy-binoculars","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Celestron SkyMaster 25x70mm Astronomy-Binoculars<\/title>\n<meta name=\"description\" content=\"25x magnification porro prism binocular  Large 70 mm objective lens offers maximum image brightness in low-light and long-range conditions  Ultra sharp focus across the field of view  Multi-Coated optics for sharp, clear views  Suitable for terrestrial or astronomical viewing  Protective rubber covering for ultra-firm grip  Large center focus knob for easy focusing  Tripod adapter included  Long eye relief ideal for eyeglass wearers  Carrying case included for travel and safe storage\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/amt.ee\/en\/product\/celestron-skymaster-25x70mm-porro-binoculars\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Celestron SkyMaster 25x70mm Astronomy-Binoculars\" \/>\n<meta property=\"og:description\" content=\"25x magnification porro prism binocular  Large 70 mm objective lens offers maximum image brightness in low-light and long-range conditions  Ultra sharp focus across the field of view  Multi-Coated optics for sharp, clear views  Suitable for terrestrial or astronomical viewing  Protective rubber covering for ultra-firm grip  Large center focus knob for easy focusing  Tripod adapter included  Long eye relief ideal for eyeglass wearers  Carrying case included for travel and safe storage\" \/>\n<meta property=\"og:url\" content=\"https:\/\/amt.ee\/en\/product\/celestron-skymaster-25x70mm-porro-binoculars\/\" \/>\n<meta property=\"og:site_name\" content=\"Astro &amp; 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