Redfield Renegade 10x50mm Binocular 10x actual magnification - 347' linear field of view (ft @ 1000yd) Fully multicoated lenses and premium BAK4 prisms Waterproof/nitrogen filled - Twilight factor: 18.7 Objective aperture: 50mm - Close focus distance: 17.3' Includes soft case, neoprene neck strap and lens covers - Weight 31.3ozs; Length 6 1/2"