These binoculars are perfect for the person who wants a a sharp image in low light, plus durability from optics that can take a beating. • Viper HD binoculars give top-tier optical performance • Advanced optical system that uses HD, XR fully multi-coated lenses for stunning image quality • Superior light transmission for when you need it most • Bright, crisp image with excellent color fidelity • ArmorTek coating on all exterior lenses resists scratches and smudges • Magnification: 10x • Objective lens: 42 mm • FOV: 341 ft. @ 1000 yards • Eye relief: 17 mm • Mass weight: 24.9 oz.