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DIAMONDBACK 12X50 ROOF PRISM BINOCULAR Superior quality, high-performance hunting optics can find their way around your neck for a surprisingly affordable price. Grasp the long distance power of the 12x50 Diamondback as you close in on details missed by others. Taking its lead from the Diamondback rattlesnake, this rugged binocular is striking in how well it detects life in low light. Huge field-of-view—the largest in its class—with enhanced fully multi-coated optics, phase-corrected prisms, waterproof and fogproof construction, soft tapered eyecups, and rugged rubber armor. It's all there. Now you can use "wow!" and "thank you" in the same sentence. OPTICAL FEATURES Fully Multi-Coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Phase Correction Used on roof prism models only—coating enhances resolution and contrast. CONSTRUCTION FEATURES Roof Prisms Valued for greater durability and a more compact size. Waterproof Optics are sealed with o-rings to prevent moisture, dust, and debris from getting inside the binocular. Fogproof Argon gas purging guarantees superior fogproof and waterproof performance. Rubber Armor Provides a secure, non-slip grip, and durable external protection. CONVENIENCE FEATURES Multi-Position Eyecups Twist up and down to precise, intermediate settings to maximize custom fit for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts the focus of both binocular barrels at the same time. Right Eye Diopter Adjusts for differences in a user's eyes. Located on the right eyepiece. Tripod Adaptable Compatible with a tripod adapter, allowing use on a tripod or car window mount. Adapter sold separately. Magnification 12 x Objective Lens Diameter 50 mm Eye Relief 18 mm Exit Pupil 4.17 mm Linear Field of View 241 feet/1000 yards Angular Field Of View 4.6 degrees Close Focus 9 feet Interpupillary Distance 61-74 mm Height 6.8 inches Width 5.6 inches Weight 31 ounces Product Manual (PDF) Download