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. Specifications: Magnification: 10x Objective Lens Diameter: 42mm Linear Field of View: 362ft/1000yrds Angular Field of View: 6.9 Degrees Eye Relief: 16.5mm Height: 5.9" Width: 5.1" Weight: 24.8oz Exit Pupil: 4.2mm Interpupillary Distance: 55mm - 75mm Close Focus: 6ft What's in the Box GlassPak Binocular Case GlassPak Binocular Harness Rainguard Eyepiece Cover Tethered Objective Lens Covers Comfort Neck Strap Features: APO System: Index-matched lenses correct color across the entire visual spectrum ArmorTek: Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil, and dirt Multi-Coated: XR Plus fully multi-coated HD Lens Elements: HD Phase Correction: Coating on roof prism models enhances resolution and contrast Plasma Tech: Cutting edge coating application process provides unparalleled coating durability and performance Rubber Armor: Provides a secure, non-slip grip, and durable external protection