Fits optional Sentinel Binocular Case (see below).Center focus mechanism allows for quick, easy adjustment to different focal ranges.Includes deluxe neck strap, objective & ocular lens covers and padded nylon carrying case.5 year warranty.Magnification: 7x.Objective lens: 50mm.Exit pupil: 7:1mm.Eye Relief: 27:4.Prism type: BAK-4 Porro Prism.Field of view: 350 ft. at 1,000 yards.Light efficiency: 80%.Waterproof/Fog proof.Dims: 7-1/2" x 8-1/4" x 2-3/4" (191 x 210 x 70 mm).Weight 2.125 lbs. (964 g).