Professional High Powered Binoculars: 20x magnification and a 50mm objective lens provide wide-angle viewing from over 1000 yards; these lightweight binoculars are perfect for bird watching, hunting, stargazing, concerts, sports, hiking, and enjoying scenic views HD Vision with Quality Optics: These 20x50 binoculars for adults high powered are specially designed with BAK-4 Prisms and FMC film lenses, which minimize the loss of light due to reflection and ensure brighter and clearer high-contrast images Clear Low Light Night Vision: 50mm lenses are larger than usual, offering enhanced light-gathering power for better performance in low-light conditions; they deliver clear vision but cannot provide clarity in complete darkness Resilient, Non-slip, Waterproof: These bird watching binoculars for adults feature a rubber-armored coating and leather for a secure grip and comfort; the O-ring sealed optics prevent debris and moisture from entering, ensuring durability and ease of use Easy to focus: Our binoculars 20x50 are designed for both adults and children, featuring adjustable twist-up eyecups for comfortable viewing with or without glasses; the center-focus knob allows for quick and precise focusing; they can also be used with a phone bracket for stable camera images