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. Description ArmorTek ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt Fully Multi-Coated HD Lens Phase Correction - coating on roof prism models enhances resolution and contrast Rubber armor provides a secure, non-slip grip, and durable external protection Shockproof -rugged construction withstands recoil and impact Comes with GlassPak binocular case, GlassPak case harness, rainguard eyepiece cover, tethered objective lens covers, comfort neck strap & lens cloth Details UPC 875874009936 SIZE 5.7" Height 5.1" Width WEIGHT (OZ) 21.8 oz. MAGNIFICATION 8x OBJECTIVE LENSDIAMETER 42mm LINEAR FIELDOF VIEW 393 feet/1000 yards ANGULAR FIELDOF VIEW 7.5 degrees EYE RELIEF 17 mm BRAND Vortex Optics EXIT PUPIL 5.25 mm INTERPUPILLARYDISTANCE 55-73 mm CLOSE FOCUS 5 feet