{"product_id":"kowa-bd25-10x25-compact-binocular-green","title":"Kowa BD25 10x25 Compact Binocular, Green","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e10x Magnification\u003c\/li\u003e\n\u003cli\u003e25mm Objective Lenses\u003c\/li\u003e\n\u003cli\u003e18.0mm Eye Relief\u003c\/li\u003e\n\u003cli\u003e1.8m Minimum Focusing Distance\u003c\/li\u003e\n\u003cli\u003e320g Lightweight Body\u003c\/li\u003e\n\u003cli\u003eWaterproof and Nitrogen Filled\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\u003eKowa BD25 10x25 Compact Binocular, Green\u003c\/h2\u003e\n\u003cp\u003eThe Kowa BD25 10x25 Compact Binocular packs features Kowa says are normally found only on much larger models into a body weighing just 320g. Its 10x magnification brings distant subjects closer, while the fully multi-coated 25mm objective lenses deliver bright, sharp images. It offers 18.0mm of eye relief, and the 1.8m minimum focus allows for detailed observation of nearby objects. These nitrogen-filled, waterproof binoculars deliver serious optical capability in a pocket-sized form factor.\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\u003e10x Magnification and Fully Multi-Coated Optics\u003c\/h3\u003e\n\u003cp\u003eThe BD25 10x25 uses a roof prism design with fully multi-coated lenses to maximize light transmission, ensuring images are bright and clear even with its compact 25mm objective lenses. The 10x magnification provides significant reach for identifying distant wildlife or landscape details, and Kowa's C3 prism coatings, together with the multi-coated lenses, give high light transmission for brighter, sharper images, according to Kowa.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 320g Waterproof and Nitrogen-Filled Body\u003c\/h3\u003e\n\u003cp\u003eEngineered for portability and durability, the Kowa BD25 weighs only 320g and measures just 111mm in length. The body is fully sealed and purged with nitrogen gas, making it waterproof and preventing internal fogging during temperature changes. A rubber armored exterior safeguards the internal lenses and gives a firm grip, even in wet conditions.\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\u003e18.0mm Eye Relief and 1.8m Close Focus\u003c\/h3\u003e\n\u003cp\u003eKowa lists 18.0mm of eye relief for this 10x model, with a 5.0° real field of view. At the other extreme, its ability to focus down to just 1.8m (5.9 ft) lets you view nearby subjects such as butterflies, insects or museum exhibits at 10x.\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\u003eKowa BD25 10x25 vs. 8x25: Power vs. Field of View\u003c\/h3\u003e\n\u003cp\u003eChoosing between the 10x25 and its 8x25 sibling involves a direct trade-off between magnification and viewing parameters. The 10x model gives more magnification for fine detail at a distance. However, the 8x model offers a distinct advantage in other areas.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eField of View:\u003c\/strong\u003e The 8x25 provides a wider real field of view (6.3° vs. 5.0°), making it easier to locate and track moving subjects like birds in flight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Light:\u003c\/strong\u003e With a larger 3.1mm exit pupil compared to the 10x model's 2.5mm, the 8x25 delivers a brighter image during dawn and dusk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability:\u003c\/strong\u003e The lower 8x magnification is inherently easier to hold steady, which can be a critical factor during long observation sessions without a tripod.\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\"\u003eShould I choose the Kowa BD25 10x25 or the 8x25 model?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eKowa BD25 10x25\u003c\/strong\u003e if your priority is resolving fine detail on distant, relatively static subjects. Choose the \u003cstrong\u003e8x25 model\u003c\/strong\u003e if you need a wider field of view for tracking moving objects or a brighter image in low-light conditions like dawn or dusk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow much eye relief does the Kowa BD25 10x25 have?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eKowa lists \u003cstrong\u003e18.0mm of eye relief\u003c\/strong\u003e for the Kowa BD25 10x25 (the 8x25 lists 16.0mm). Kowa makes no specific claim about use with eyeglasses for the BD25.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Kowa BD25 10x25 perform for birdwatching at a distance?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 10x magnification helps identify distant birds, such as shorebirds on a mudflat or a hawk perched in a faraway tree. While its 5.0° field of view is narrower than an 8x binocular, the extra power is a significant advantage for detailed identification when you can't get closer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWith a 1.8m close focus, can I use the Kowa BD25 10x25 for watching butterflies?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The \u003cstrong\u003e1.8m (5.9 ft) minimum focusing distance\u003c\/strong\u003e of the Kowa BD25 10x25 allows you to get magnified views of nearby subjects like butterflies, dragonflies, and flowers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Kowa BD25 10x25 waterproof enough for use in the rain?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Kowa describes the BD25 as 100% waterproof, purged and sealed with nitrogen gas to prevent internal fogging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the Kowa BD25 10x25 a good travel binocular?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Kowa BD25 10x25 suits travel due to its compact size (111 x 107 x 39 mm) and low weight (320g). Kowa describes it as pocket sized, and its body is waterproof and rubber armored.\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\u003e10x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Lens Diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrism Type\u003c\/td\u003e\n\u003ctd\u003eRoof prism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully multi-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReal Field of View\u003c\/td\u003e\n\u003ctd\u003e5.0°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField of View at 1,000 m\u003c\/td\u003e\n\u003ctd\u003e87 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Focus Distance\u003c\/td\u003e\n\u003ctd\u003e1.8 m (5.9 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExit Pupil\u003c\/td\u003e\n\u003ctd\u003e2.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e18.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Brightness\u003c\/td\u003e\n\u003ctd\u003e6.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwilight Factor\u003c\/td\u003e\n\u003ctd\u003e15.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003ctd\u003eYes, nitrogen filled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L x W x H)\u003c\/td\u003e\n\u003ctd\u003e111 x 107 x 39 mm (4.4 x 4.2 x 1.5 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e320 g (11.3 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e879110002507\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eKowa Limited Lifetime Warranty to the original owner (authorized North American retailer)\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\"\u003eBinocular\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\"\u003eCase\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\"\u003eStrap\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× 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\"\u003eEyepiece caps\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\n\u003ca href=\"https:\/\/davidastro.com\/pages\/kowa-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eKowa Limited Lifetime Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kowa","offers":[{"title":"Default Title","offer_id":67954391253277,"sku":"KOW-BD25-10GR","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/kowa-bd25-10x25-compact-binocular-green-1_a53cf886-7776-4dc4-9b21-9e7196d1e44d.jpg?v=1793723933","url":"https:\/\/davidastro.com\/en-us\/products\/kowa-bd25-10x25-compact-binocular-green","provider":"David Astro","version":"1.0","type":"link"}