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.Specifications and Features: GlassPak binocular case GlassPak case harness Comfort neck strap Tethered objective lens covers Rainguard Eyepiece Cover Lens Cloth Magnification 12x Objective Lens Diameter 50 mm Eye Relief 14 mm Exit Pupil 4.2 mm Linear Field of View 271 feet/1000 yards Angular Field of View 5.2 degrees Close Focus 6 feet Interpupillary Distance 60-75 mm Height 6.4 inches Width 5.3 inches Weight 28.9 oz