Vortex® Viper® HD 10x42 Binoculars are proven, performance-enhanced binoculars, trusted by hunters, birdwatchers, and tactical shooters across the globe. Built to deliver exceptional clarity in any hunting or tactical environment, the HD optical system features premium extra-low dispersion glass elements, engineered to deliver stunning resolution, color fidelity, and edge-to-edge clarity, while the lightweight magnesium chassis easily withstands years of heavy use and abuse. The rubber exterior armor offers a comfortable, non-slip grip and improved shock and corrosion resistance. Durable O-ring seals deliver reliable waterproof and fogproof field service, and the scratch-resistant Armortek® lens coatings protect against scratches and the buildup of oil and dirt. The XR™ proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces, while the dielectric multi-layer prism coatings provide bright, clear, color-accurate images in any tactical environment. Better yet, these tripod-compatible binoculars include a convenient GlassPak™ chest harness, eyepiece cover, and lens cloth for dependable field service right out of the box. Backed by the legendary Vortex VIP™ lifetime warranty. Made in USA.