HIGH QUALITY: Multi coated optics dramatically increase light transmission for brighter images with high contrast review and high resolution, while the prisms made of BAK-4 glass will give you enhanced color fidelity. Wide field of view reveals a larger portion of the night sky, allowing you to view more of the comet's impressive tail. CLEAR VISION: Our binoculars feature High quality BAK4 prisms and full multi-layer coated lenses, it's designed with 10x High power magnification and 20mm wide-angled big objective lens, large eyepieces offer you a wide field of view when viewing the world, gives you the highest enjoyment. MULTIPURPOSE BINOCULARS: Perfect for daily use and most outdoor environment like moon viewing, bird watching, hiking, camping, climbing, hunting, sailing, travelling, concerts, sports and more. EASY TO FOCUS: It equiped with a easy central focusing knob and adjustable right eyepiece to fit different view di,even kids can use it easily.Rubber cover can be rolled down, also perfect for glasses wearer. Particularly suitable for outdoor activities such as mountaineering, hiking, driving, wildlife viewing and scenic appreciation.