usogood High Power 12x50 Binoculars for Adults with BaK-4 Prisms & FMC Lens

【Bird Watching Binoculars for Adults】With 12x magnification and 50mm lens, it provides a bright and clear view as far as 374 ft/1000 yards. The 5 meters closest observation distance is also suitable for birdwatching in the garden. Designed for observation in various activities like hiking, sports events, concerts and stargazing. This green binocular has a unique appearance, adding fashion and fun.
【Super Bright and Clear View】The binoculars for stargazing adopt FMC fully multi-coated optics and phase coated 16.5MM BaK-4 prisms, provide superior 99.9% light transmission. The Exit-pupil Diameter is close to the pupil diameter of human to ensure the best observation effect. The adjustable Interpupillary Distance(55~75mm) is designed for all kinds of people.
【Quick and Easy to Focus】Double threaded focus knobs-Center Focus Knob&Diopter Adjustment Ring increase the friction between your finger and the knob, allow you to focus more quickly and accurately while observing constantly mo