5.6 overall. 326 ft. @ 1000 yds. BAK 4 prism. Actual magnification: 10x. Eye relief: 16 mm. Objective clear aperture: 42 mm. Waterproof. Rubber armor. Coated optics. Fogproof. Shockproof. Pack weight: 24 oz. 20.5 twilight factor. 4.2mm exit pupil. Open bridge design. HD image. Twist up eyecups. Color: Gray. Boxed.