Binoculars for Adults Bird Watching usogood 12x50 High Power Binoculars for Stargazing, Traveling, Hunting and Hiking with Tripod Phone Adaptor for Photography - BaK-4 Prisms, FMC Lens Black. 【Super Bright and Clear View】The stargazing binoculars adopt FMC fully multi-coated optics and phase coated 16.5MM BaK-4 prisms, provide superior 99.9% light transmission.
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