Vortex Viper HD 8x42 Roof Prism Binocular The Viper HDs significantly step up their game in 2011 with HD (High Density) extra-low dispersion glass. One look is all you'll need to appreciate why the Viper is an award-winning bino. Add XR fully multi-coated lenses and you have a bino that delivers bright, crisp details with impressive resolution and color fidelity. Rugged, compact and lightweightone of the lightest full-size binos available. It's no mystery why the Vipers are an award-winner, our Viper HD binoculars pack in all the features you need for a successful hunt. See what premium optics can do for you! Optical Features - Vortex Viper HD 8x42 Roof Prism Binocular Construction Features - Vortex Viper HD 8x42 Roof Prism Binocular Fogproof - Argon gas purging guarantees superior fogproof and waterproof performance. Rubber Armor - Provides a secure, non-slip grip, and durable external protection. ArmorTek - Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. Convenience Features - Vortex Viper HD 8x42 Roof Prism Binocular Twist 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. Locking 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. Specifications - Vortex Viper HD 8x42 Roof Prism Binocular Magnification - 8 x Objective Lens Diameter - 42 mm Eye Relief - 20 mm Linear Field of View - 347 feet/1000 yards Angular Field Of View - 6.6 degrees Close Focus - 5.1 feet Interpupillary Distance - 59-75 mm Height - 5.8 inches Width - 5.3 inches Weight - 24.2 ounces Product Manual (PDF) - Download <BR
