YISHU 50x50 High Definition Optics Zoom Binocular 357ft 1000yds High Powered Telescope for Bird Watching, Watching Wildlife or Scenery, Game and Image Stabilized Fully Multicoated Optical Lenses.This feature guarantees superior light transmission and brightness.it will take you to into a clear and bright world in which you can appreciate fantastic landscape. high quality image.Easy adjustment and rapid focusing. Full 7x magnification;50mm objective Lens diameter; 357ft maximum viewing distance.more clear, even low light condition. ( Full-size: 7.52 x 7.48 x 2.4 inch / Net heavy weight : 1.5 lb) Large Field of View ---357 ft/1,000Yds, good for fast moving subject.Perfect for adults bird watching, sightseeing, hunting, wildlife watching, sports events, etc. ( NOT Suitable for glasses wearer) Waterproof and fogproof,it can use even under extremely severe condition,such as rainstorms and high humidity,on cloudy night it able to see clear as day. Suitable for military, sport events, concerts, bird watching, outdoor activities, tracking.