The Vortex Viper HD 12x50 Binoculars offer outdoor enthusiasts stunning resolution and clarity. The Viper HD 12x50 binoculars feature an HD optical system for edge-to-edge clarity and color fidelity. Phase-corrected roof prisms offer optimal contrast and resolution, while an ArmorTek lens coatings protects against scratches, dirt, and debris. The Viper HD 12x50 binoculars also feature twist-up eyecups and rubber armor for comfortable viewing. With an included GlassPak chest harness, the Vortex Viper HD 12x50 Binoculars are perfect for all-day viewing and scouting. Features: Waterproof and fogproof Adjustable twist-up eyecups Rubber armor for a secure, non-slip grip ArmorTek scratch-resistant lens coating Dielectric coating for color-accurate images Center focus wheel adjusts focus of both barrels Tripod-adaptable (requires separate tripod adapter) Locking diopter locks binoculars at preferred setting XR fully multi-coated for increased light transmission Phase-corrected roof prisms for contrast and resolution HD lens elements for improved resolution and color fidelity Specs: Model #: V203 Magnification: 12x Objective Lens Diameter: 50mm Width: 5.2 in. Height: 6.5 in. Weight: 28.8 oz. Eye Relief: 16mm Exit Pupil: 4.1mm Close Focus: 9.5 ft. Angular Field of View: 5.5deg Interpupillary Distance: 59-75mm Linear Field of View: 288 ft./1,000 yds. Includes: Comfort neck strap Rainguard eyepiece cover Tethered objective lens covers GlassPakTM binocular harness