About this item:【Professional Powerful Binoculars 】Designed with 10-180X power magnification, 50mm large objective lens and 268ft/3000yds large field of view good for fast moving with more true-to-life details, Perfect for Bird watching. The magnification of binoculars from 10 up to 180-power.【High Quality Optics & Clear Night Vision】BAK-4 Prism and Multi-coated optics provide clear images with improved light transmission and Min distortion ,and enhances image brightness, allows for brighter viewing. light function of professional 10-180x100 binoculars can deliver clear vision in gloaming, but not in not completely darkness. Suitable for concerts, opera, sightseeing and astronomical viewing.【Durable and Water Resistant】This roof prism binocul.
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