The steiner t1042r tactical binocular reflect ergonomics and visual excellence that are unsurpassed anywhere and rugged reliability that can survive anything.Its roof prism design is light weight, compact and streamlined, while high definition optics are specially coated for the highest light transmission, sharp edge-to-edge views and contrast, even in low light.The fast-close-focus central focusing wheel requires minimal rotation for quick, absolute sharpness from close up to infinity.The military grade rubber armoring protects chassis, lenses and has n2 injection system which seals 14-psi pressurized dry nitrogen into the optic, for fog proof clarity in any condition.A clicloc system attaches and releases your neck strap or harness instantly with push button ease.This model features the sumr targeting reticle system, for a small, light binocular in a power to match newer 10x rifle scopes.Includes neoprene neck strap, objective cover, rain protection cap and gear bag.Case: YesMagnification: 10xObjective: 42mmField Of View: 317 ft @ 1,000 ydsEye Relief: 16mmExit Pupil Diameter: 4.20mmShort Focus: 60 ftPrism Type: RoofWeight: 26.40 ozFinish: Black Rubber ArmorTwilight Factor: 20.5Focus Type: Fast-CloseOptic Coating: CAT (Color Adjusted Transmission)Proofs: Fog/Waterproof