Extreme terrain and unimaginable conditions test your mettle-and your optics. Razor HD binoculars are a step up and out from other binoculars in their class. Lightweight, bright and strong, these binoculars feature a best-in-class HD optical system that delivers the sharpest images possible. Included in the Box a GlassPak binocular case a GlassPak binocular harness a Rainguard eyepiece cover a Tethered objective lens covers a Comfort neck strap Magnification 10x Objective Lens Diameter 42 mm Eye Relief 16.5 mm Exit Pupil 4.2 mm Linear Field of View 362 feet/1000 yards Angular Field of View 6.9 degrees Close Focus 6 feet Interpupillary Distance 55-75 mm Height 5.9 inches Width 5.1 inches Weight 24.8 oz OPTICAL FEATURES a APO System Index-matched lenses correct color across the entire visual spectrum. a HD Lens Elements Premium extra-low dispersion glass delivers the ultimate in resolution and color fidelity, resulting in high-definition images. a XR(TM) Plus Fully Multi-Coated Ultimate anti-reflective coatings on all air-to-glass surfaces provide maximum light transmission for peak clarity and the pinnacle of low-light performance. a Dielectric Coating Multi-layer prism coatings provide bright, clear, color-accurate images. a Plasma Tech Cutting edge coating application process provides unparalleled coating durability and performance a Phase Correction Coating on roof prism models enhances resolution and contrast.