SAKURA 50mm Tube Zoom 10-180x100 HD Resolution Telescope Waterproof Vision Super Zoom Binoculars 10x magnification and 420-foot field of view at 1,000 yards 10X -180X magnification, central focus,may be required based on the use freely mediation Metal body covered with rubber, which anti-slip and durable. Day Vision This product is suitable for bird watching, camping, watching the game and other activities.Especially the search target, first at hand with low range to the target, then by the high ratio observes, guarantee a trick.With it, whatever action target escapes your eyes Material: specialized engineering materials, handgrip has high-class really glue, comfortable to touch. Eyepiece with eye protective soft glue;Inner objective lens add green plated film turn-back film, in order to solve the problem of insufficient light, make the scene more clear;A truly infinite smooth varying zoom, precision focusing system;Ultra clear the built-in wide-angle lens, allows you to see larger Angle