Aspherical eyepieces provide crisp, sharp images with virtually no distortion. Smooth central focusing. Diopter control to regulate vision imbalance. BaK-4 high index prisms with precision-aligned, multicoated optics. Rubber eyecups fold back for use with eyeglasses. Full-size armored body. FOV(1000 yds) 342'. Eye Relief 11.8 mm. Exit Pupil 5 mm. Dimensions 7.3x7.2". Weight 33.8 oz. Refurbished. Japan (case made in China).