The Vortex Binocular Diamondback 8x28 offers smooth focusing that 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. Vortex Binocular - Diamondback 8x28 The Vortex Binocular - Diamondback 8x28offerssmooth focusing thattakes you to the fine details you prize. This pocket roof prism binocular packs a lot of wallop into a slender package. Featuring fully multi-coated optics, phase correction coatings, argon gas purging, and a unique checkered rubber armoring, the compact Diamondback doesn't trade performance for small size. Specifications Magnification 8x Objective Lens Diameter 28mm Eye Relief 19.3mm Exit Pupil 3.5mm Linear Field of View 110m/915m Angular Field of View 6.9 degrees Close Focus 4m Interpupillary Distance 56-74mm Height 12cm Width 11cm Weight 397g Features OPTICAL FEATURES Fully Multi-Coated Lenses 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 Prisms Valued for greater durability and a more compact size. Waterproof O-ring seals prevent moisture, dust and debris from penetrating the riflescope for reliable performance in all environments. Fogproof Argon gas purging prevents internal fogging over

wide range of temperatures. Rubber Armor Valued for greater durability and a more compact size. 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 the right eyepiece. Tripod Adaptable Compatible with a tripod adapter, allowing use on a tripod or car window mount. Adapter sold separately.