{"product_id":"svbony-sa203-12x50-waterproof-bak-4-binoculars","title":"SVBONY SA203 12x50 Waterproof BAK-4 Binoculars","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e12x Magnification \u0026amp; 50mm Objective Lenses\u003c\/li\u003e\n\u003cli\u003eIPX7 Waterproof (Submersible to 1.0m for 30 min)\u003c\/li\u003e\n\u003cli\u003eFully Multi-Coated H-BaK4 Roof Prisms\u003c\/li\u003e\n\u003cli\u003e16mm Eye Relief with Twist-Up Eyecups\u003c\/li\u003e\n\u003cli\u003eTripod Adaptable for Stable Viewing\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\u003eSA203 12x50 Binocular with IPX7 Waterproof and Bak-4 Prism\u003c\/h2\u003e\n\u003cp\u003eThe SVBONY SA203 12x50 Binocular delivers significant reach for long-distance observation, combining powerful 12x magnification with large 50mm objective lenses to gather ample light at dawn or dusk. With a 5° field of view that translates to 263 feet at 1000 yards and a close focus of just 2.5m, you can track subjects both near and far. Built for the outdoors with a fully submersible IPX7 waterproof rating and high-transmission H-BaK4 prisms, these binoculars provide 16mm of eye relief for comfortable viewing sessions.\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\u003e12x50 H-BaK4 Optics for Long-Range Detail\u003c\/h3\u003e\n\u003cp\u003eThe core of the SA203 is its 12x50 optical system, designed to resolve fine details on distant wildlife or landscapes. The 50mm objective lenses create a bright 4.2mm exit pupil, while the fully multi-coated optics and high-grade H-BaK4 roof prisms ensure maximum light transmission and sharp contrast, preventing the washed-out images common in lesser binoculars during challenging light 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\u003eAll-Weather Reliability with IPX7 Waterproofing\u003c\/h3\u003e\n\u003cp\u003eDesigned for unpredictable outdoor environments, the SA203 features an IPX7 waterproof rating, certifying it can be fully submerged in 1.0 meter of water for up to 30 minutes without damage. This nitrogen-purged construction also prevents internal fogging during rapid temperature changes. The durable PVC armor provides a secure, non-slip grip in wet conditions and protects against minor impacts.\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-Adjustable Comfort with 16mm Eye Relief\u003c\/h3\u003e\n\u003cp\u003eLong observing sessions demand comfortable ergonomics. The SA203 provides 16mm of eye relief, which is ample for most eyeglass wearers to see the entire 5° field of view, while the twist-up eyecups allow for precise positioning. You can match the binoculars to your eyes perfectly using the 61-74mm interpupillary distance adjustment and the ±3 right-eye diopter. At 1046g, the integrated tripod adapter interface is essential for mounting the binoculars for extended, shake-free viewing.\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\u003eChoosing Your Magnification: The SA203 12x50 vs. 10x50 Models\u003c\/h3\u003e\n\u003cp\u003eWhile a 10x50 binocular offers a wider field of view and is easier to hold steady, the SA203's 12x magnification provides a distinct advantage in resolving power. This allows you to identify subtle markings on a bird or count the points on a distant buck. The trade-off is a narrower 5° field of view and increased sensitivity to hand-shake, which is why using the built-in tripod adapter is highly recommended for the steadiest, most detailed views.\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 are the main advantages of the SA203 12x50 binoculars for wildlife observation?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is the \u003cstrong\u003e12x magnification\u003c\/strong\u003e, which allows you to see greater detail at longer distances compared to standard 8x or 10x models. Combined with large \u003cstrong\u003e50mm objective lenses\u003c\/strong\u003e and \u003cstrong\u003eH-BaK4 prisms\u003c\/strong\u003e, the SA203 delivers bright, high-contrast images, making it ideal for identifying animals in challenging light conditions like dawn and dusk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the IPX7 waterproof rating on the SA203 benefit me in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIPX7 rating\u003c\/strong\u003e means the SA203 binoculars are fully waterproof and can withstand submersion in 1 meter of water for 30 minutes. This gives you complete confidence to use them in heavy rain, fog, or marine environments without risk of damage. It also means the optical tubes are nitrogen-purged to prevent internal fogging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 16mm eye relief on the SA203 12x50 sufficient for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the \u003cstrong\u003e16mm eye relief\u003c\/strong\u003e is generally sufficient for most eyeglass wearers to see the full field of view. The twist-up eyecups allow you to set the proper distance between the eyepiece and your glasses for a comfortable, unvignetted view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the SA203 12x50 perform for birdwatching at a distance, like viewing shorebirds across a marsh?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis is an ideal scenario for the SA203. The \u003cstrong\u003e12x magnification\u003c\/strong\u003e is crucial for resolving the fine plumage details needed for positive identification of distant shorebirds. The \u003cstrong\u003e50mm lenses\u003c\/strong\u003e will provide a bright image even on overcast days, and mounting the binoculars on a tripod via the adapter will ensure a steady view for careful study.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI find 12x magnification hard to hold steady. Is the SA203 12x50 still a good choice for long viewing sessions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile 12x magnification does amplify hand shake, the SA203 is designed for this. It includes a standard \u003cstrong\u003etripod adapter interface\u003c\/strong\u003e, allowing you to mount it on any photo tripod for perfectly stable, long-duration viewing. For the best experience during extended sessions, a tripod is highly recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the H-BaK4 prisms in the SA203 and standard prisms?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eH-BaK4\u003c\/strong\u003e is a high-grade barium crown glass that has a higher refractive index than the glass used in many standard binoculars. This results in better light transmission through the prism system, leading to brighter images and rounder exit pupils, which minimizes image distortion at the edge of the field.\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\u003e12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Diameter\u003c\/td\u003e\n\u003ctd\u003e50mm\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\u003ePrism Glass\u003c\/td\u003e\n\u003ctd\u003eH-BaK4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eFully multi-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece Diameter\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField of View\u003c\/td\u003e\n\u003ctd\u003e5°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField of View (at 1000 yds)\u003c\/td\u003e\n\u003ctd\u003e263 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField of View (at 1000 m)\u003c\/td\u003e\n\u003ctd\u003e88 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExit Pupil\u003c\/td\u003e\n\u003ctd\u003e4.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Focus Distance\u003c\/td\u003e\n\u003ctd\u003e2.5m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocus System\u003c\/td\u003e\n\u003ctd\u003eCenter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiopter System\u003c\/td\u003e\n\u003ctd\u003eRight Eyepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiopter Compensation\u003c\/td\u003e\n\u003ctd\u003e±3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterpupillary Distance\u003c\/td\u003e\n\u003ctd\u003e61-74mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproofing\u003c\/td\u003e\n\u003ctd\u003eIPX7 (1.0 meter for 30 Min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyecups\u003c\/td\u003e\n\u003ctd\u003eTwist-up\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\u003eArmor Material\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1046g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e161 x 136 x 60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eArmy Green\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\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSVBONY Warranty Policy\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861284122909,"sku":"SV-F9378G","price":87.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-SA203-12x50-Binocular-with-IPX7-Waterproof-and-Bak-4-Prism-1_88ea18f9-3551-41de-9504-89899721dbdc.jpg?v=1788661202","url":"https:\/\/davidastro.com\/en-us\/products\/svbony-sa203-12x50-waterproof-bak-4-binoculars","provider":"David Astro","version":"1.0","type":"link"}