Optisan 37478 Britec R 10×42 Meet the BRITEC R 10×42 Binoculars—the perfect companion for bird watchers, hikers, wildlife photographers and outdoor enthusiasts who demand top-tier performance without the bulk. At just 538 g (18.97 oz), these binoculars deliver stunning edge-to-edge clarity, brilliant color fidelity and uncompromising durability, all in a streamlined, bridge-free design. Savor every detail of nature’s panorama through massive 42 mm objective lenses treated with fully multi-coated green optics and phase-corrected Bak-4 prisms. Light transmission is maximized, dispersion and distortion are minimized, and your view stays razor-sharp from corner to corner. The generous 16.1 mm eye relief and twist-up eyecups make long observation sessions supremely comfortable, whether you wear glasses or not. Built to handle any environment, the BRITEC R is nitrogen-purged and sealed to IPX7 standards, so it remains fogproof and submersion-proof down to one meter. Its Swissamotec 98™ rubber-armored body stands up to knocks, drops and bumps, giving you the confidence to explore rugged trails, misty wetlands or rain-soaked forests without worry. Focus in on nearby subjects with an astonishing 4 m close-focus distance—perfect for studying butterflies, flowers and other small treasures. A broad 106 m field of view at 1,000 m (6.1°) ensures you never lose sight of soaring raptors or darting deer. The center-focus wheel is smooth, precise and easy to turn, so you can lock in crisp detail in the blink of an eye. When adventure calls, the BRITEC R answers with lightweight portability and uncompromised optics. Slip on the included neoprene neck strap, stow your binoculars in the water-resistant pouch, and head out—every spectacular scene is now within reach. Key Features and Specifications Magnification: 10× – Brings distant wildlife into vivid, close-up view Objective Diameter: 42 mm – Balances brightness with a compact form Eye Relief: 16.1 mm – Ample space for eyeglass wearers, all-day comfort Exit Pupil: 4.2 mm – Delivers bright images in low-light conditions Close Focus: 4 m – Ideal for detailed observation of nearby subjects Field of View: 106 m/1,000 m (6.1°) – Wide panoramic viewing Prism: Bak-4 with phase-corrected & silver coatings – Enhanced color and contrast Coating: Fully multi-coated green optics – Maximum light transmission Focus System: Smooth center-focus wheel – Quick, precise adjustments Diopter Compensation: ±4.0 dpt – Customized clarity for each eye IPX7 Waterproofing – Submersible and fogproof, reliable in any weather Body Construction: Swissamotec 98™ – Rugged, rubber-armored protection Weight: 538 g (18.97 oz) – Featherlight for all-day carry Dimensions: 132×141×51 mm – Streamlined, pocket-friendly profile Operating Temp: –10 °C to 50 °C – Performance from frost to heat Included Accessories: Neoprene neck strap, ocular cap, objective cap, water-resistant pouch
