1.[Wide Field of View]10x magnification, 8mm eye lens diameter and 50mm objective diameter; 125m field of view at 1000m; When you use this binoculars, the vision is broad and it is very clear for the gain of binoculars for bird watching, hunting, stargazing, concerts and enjoying scenic views. 2.[Professional High Powered Binoculars]Multilayer-coated aspherical lenses elements provide superior light transmission and minimal distortion, better image brightness, contrast and quality. The BAK4 prism has a perfectly round exit pupil which minimize the loss of light due to reflection and ensure brighter and clearer high-contrast images. 3.[Sleek and Solid]Daily body with rubber coated finish for shock-resistance and a firm, comfortable grip, durable and portable for outdoors, even suitable for hostile environment. But please don't immerse the binoculars in water. 4.[Binocular focusing design]The centre-focus knob of this compact binoculars fast and high precision focusing. And also focusing at different distances is possible with the left or right eyepiece ring. You can quickly focus even when observing fast-moving objects.