"Great for birdwatching, hunting, wildlife observation and marine environments, Bausch & Lomb's Discoverer delivers maximum light transmission and high resolution. Waterproof and fogproof with rain guard coating. Fully multi-coated lenses, silver-coated BaK-4 prisms; cam-slotted, twist-up eyecups to accommodate eyeglass wearers. Carrying case and neck strap included. FOV(1000yds) 341'. Eye Relief 17 mm. Exit Pupil 4.2 mm. Dimensions 5.5x6.5x3.25”. Weight 27.5 oz. Closeouts. Japan."