Overview 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. Included in the Box GlassPak binocular case GlassPak case harness Comfort neck strap Tethered objective lens covers Rainguard Eyepiece Cover Lens Cloth Magnification 10x Objective Lens Diameter 50 mm Eye Relief 17 mm Exit Pupil 5 mm Liniar Field of View 315 feet/1000 yards Angular Field of View 6.0 Degrees Close Focus 6 Feet Interpupillary Distance 60-75mm Height 6.6 Inches Width 5.3 Inches Features HD Optical System Optimized with select glass elements to deliver exceptional resolution, 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. ArmorTek ® Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt.