Vortex Diamondback HD 8x42 Binoculars Superior quality, high-performance hunting optics can find their way around your neck for a surprisingly affordable price. The smooth focusing 8x42 Diamondback binocular takes you to the fine details you prize. Taking its lead from the Diamondback rattlesnake, this rugged binocular is striking in how well it detects life in low light. Look for a 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 Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Phase Correction Coating on roof prism models enhances resolution and contrast. CONSTRUCTION FEATURES Roof Prism Valued for greater durability and a more compact size. Waterproof O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments. Fogproof Argon gas purging prevents internal fogging over a wide range of temperatures. Rubber Armor Provides a secure, non-slip grip, and durable external protection. CONVENIENCE FEATURES Adjustable Eyecups Twist up and down for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts the focus of both binocular barrels at the same time. Diopter Adjusts for differences in a user's eyes. Located on right eyepiece. Tripod Adaptable Compatible with a tripod adapter, allowing use on a tripod or car window mount. Magnification 8 x Objective Lens Diameter 42 mm Eye Relief 18 mm Exit Pupil 5.3 mm Linear Field of View 420 feet/1000 yards Angular Field of View 8 degrees Close Focus 4.5 feet Interpupillary Distance 57-73 mm Height 5.9 inches Width 5.6 inches Weight 25.2 ounces
