About this item Wide Field of View: 10x magnification, 43mm eye lens diameter and 63mm objective diameter; 56m field of view at 1000m; When you use this binoculars, the vision is broad and it is very clear for the gain of binoculars. Professional Powerful Binoculars: Multilayer-coated aspherical lenses elements provide superior light transmission and minimal distortion, better image brightness, contrast and quality. The Bak-4 prism has a perfectly round exit pupil. Providing bright, clear and razor-sharp viewing. Sleek and Solid: Daily Waterproof 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. Easy to Adjust: The centre-focus knob of this compact binoculars guarantee fast and high precision focusing. And it can also focus on the different distance with right eyepiece ring. Being used with tripod is OK. So it is very convenient when you watch something for a long time. Versatile to Use: These binoculars are designed for birding watching, hiking, hunting, climbing, trip, football basketball, or any Sports competition, concert. And it is also an ideal Christmas gift for adults, kids, children. Tip:These binoculars have low-light night vision and can be used at night, but not in complete darkness. Resolution: Objective lens diameter 50 Size: 19.6*8*20.2cm Instrument magnification: 10 Exit pupil distance: 18mm Use: Multipurpose Field of View: 168/1000 Function type: ordinary telescope Exit pupil diameter: 6mm Structure: Binoculars Tripod not included