Professional binoculars - Magnification 20 - Compact HD binoculars with 100m / 1000m field of view - Ideal for bird watching, hiking, hunting, sightseeing, basketball, rugby, sports competitions and concerts .HD Binoculars: BAK4 prism and FMCC multi-layer lens coating enhance the light transmission of compact binoculars - Compared to Bak-7, Bak-4 prism has better refractive index.Fine adjustment Quickly focus the object through the center focus ring and adjust the diopter ring to get a clearer image. Users with or without glasses can watch comfortablyDustproof: These binoculars are fully waterproof and anti-fog. The supplied lens cap prevents dust and dirt from entering. The Skid design based on the camera principle gives you a more comfortable grip.Portable Binoculars The attached cord can hang the binoculars around your neck and put the binoculars in the storage bag when not in use. It is very well suited to play with.