The Vortex Optics Viper 10x50 HD binoculars are an optical masterpiece, giving both wildlife and outdoor enthusiasts a premium option without the premium price tag. The HD optical system delivers stunning resolution, color fidelity and edge-to-edge clarity. These are one of the lightest, most compact, full-size binos on the market — a noteworthy attribute when gear consideration can be measured in grams. Includes GlassPak chest harness, keeping your binos at the ready while providing comfortable, protected, strain-free, all-day carry. Features ArmorTek® Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. Multi-Coated XR™ Fully Multi-Coated HD Lens Elements HD Phase Correction Coating on roof prism models enhances resolution and contrast. Rubber Armor Provides a secure, non-slip grip, and durable external protection. Specification Magnification: 10x Objective Lens Diameter: 50 mm Linear Field of View: 346 feet/1000 yards Angular Field of View: 6.6 degrees Eye Relief: 16 mm Height: 6.5 inches Width: 5.2 inches Weight: 28.4 oz Exit Pupil: 5 mm Interpupillary Distance: 59-75 mm Close Focus: 8 feet What you get Rainguard Eyepiece Cover Tethered objective lens covers Comfort neck strap GlassPak Binocular Harness