Steiner's m830r is the standard binocular of many armies in the world.The military series binoculars are built to stringent military specifications ruggedly designed for the fiercest conflicts and toughest environments.Light and easy to handle with high definition lenses for bright images and a wide field of view for steady viewing even on moving vehicles.Includes the precision mil radian ranging reticle.Features a floating prism system compact design shifts the center of gravity into the palms for comfortable long-time observation sports-auto focus system makrolon housing is durable polycarbonate with nbr long life rubber armoring creating a lightweight rugged chassis that withstands 11 gs of impact makrolon housing and n2 injection system seals 14-psi pressurized dry nitrogen into the optic for fog proof clarity in any condition from artic cold to desert heat.Includes neck strap objective cover and rain protection cap.Magnification: 8xObjective: 30mmField Of View: 392 ft @ 1 000 ydsExit Pupil Diameter: 3.80mmShort Focus: 66 ftPrism Type: FloatingWeight: 18.70 ozFinish: Green Rubber ArmorFocus Type: Sports-Auto FocusOptic Coating: Multi-CoatedProofs: Fog/Water/Weather Proof