[Wide Field of View] - 20x50 binoculars for adults is full 20x magnification, 23mm eye lens diameter and 50mm objective diameter; 56m field of view at 1000m; When you use this binoculars, the large eyepiece has a better view.
[Full Size & Clear Image] - The BAK4 prism design with perfectly round exit pupil and multilayer coating provide superior light transmission and minimal distortion, better image brightness, contrast and quality. Our powerful binoculars can be used at night, but not in complete darkness.
[Waterproof, Dustproof & Shockproof Design] –Sealed design and built-in lens cover can protect the lens from dust/moisture/debris, and ensure you can see everything in clear detail. It is covered with environment-friendly non-slip rubber pads, so you remain firmly in your hands without the risk of slipping and accidentally falling.