Fully coated optics and BK7 prisms, Protective rubber covering, Water resistant body and nylon carrying case, Diopter adjustment for fine focusing, Molded Finger impressions and embossed logos for a firm grip, Tripod adaptable, No-Fault Lifetime Warranty, 7 Degree angular field of view, 367" Linear FOV, 5mm Exit pupil, 11mm Eye relief, 24" Near focus, Wideangle, Size: 10 x 50, SKU: LBMT7579