What's in the Box Vortex Diamondback 8x42mm Binocular GlassPak binocular case GlassPak case harness Rainguard eyepiece cover Tethered objective lens cover Comfortneck strap Lens Cloth The Diamondback HD smashes the scale of price vs performance, delivering a rock-solid optic that optically punches high above its class. The included GlassPakTM binocular harness keeps your glass close at hand, ready to deploy at a moment's notice, all while providing protection and significantly more comfort than traditional neck straps. Product Features HD Optical System Optimized with selec glass elements to deliver exceptional resolutions, cut chromatic aberration and provide outstanding color fidelity, edge to edge sharpness and light transmission. Fully Multi-Coated Increase light transmission with multiple anti-reflective coatings on all air to glass surfaces Dielectric Coating Multi-layer prism coatings provide bright, clear, color accurate images Armor Tek Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt Product Specifications Magnification: 8x Objective Lens Diameter: 42mm Eye Relief: 17mm Exit Pupil: 5.25mm Linear Field of View: 393 Feet/1000 Yards Angular Field of View: 7.5 Close Focus: 5 Feet Interpupillary Distance: 55-73mm Height: 5.7" Width: 5.1" Weight: 21.8 oz.