... :21mm 4)View field:2-0.9 degree Compact Pocket-Sized 15-55x Mini Zoomable Monocular TelescopeWanna ... it will give you a wonderful world....Features:* Mini shape, compact design* Suitable for Golf, Scope, Camping, Hiking, Fishing, Birdwatching, ... Concerts, etc. * Fashionable appearance design* Comfortable and convenient to carry* 15-55× Magnification* Zoom ...