10 x 50 Powerful Binoculars for Adults Durable Full-Size Clear Binoculars for Bird Watching Travel Sightseeing Hunting Wildlife Watching Outdoor Sports Games and Concerts [ Professional Powerful Binoculars ] Designed with 10X power magnification, 50mm large objective lens and 367ft/1000yds large field of view for fast moving subject, are ideal for bird watching, hunting, driving, sports events. [ Weak Light Vision with Quality Optics ] Design of Aspherical lenses and multi-layer coating guarantee excellent light transmission and well improve image brightness, contrast and quality. It can be used at night, but not in complete darkness. Suitablefor concerts, opera, sightseeing and astronomical viewing. [ Durable, Solid and Anti-slip Grip ] Durable structure with odorless rubber armor for shock-resistance and Anti-slip grip, making it not only in decent appearance of more wear-resistant and moisture-proof, but also perfect for outdoor activities suchas climbing, hiking, travelling, watching wildlife and scenery. [ Easy to Focus ] Corrective optical coating are for color fidelity and minimize distortion. Diopter System adjusting the imbalance vision of both eyes. The smooth and large center focus knob makes it simple to operate and easy to focus. ( Adaptableto tripod ) [ Adjustable Eye Cups ] The rubber covered eyepiece can be twisted up and down for different people adjusting a proper eye relief. The eyeglass wearers can adjust the eye relief through rising eye cups and feel more comfortable. 10 x 50 Powerful Binoculars for Adults Durable Full-Size Clear Binoculars