Superex&reg; Super Clear 16x52 Dual Focus Telescope Optics Zoom Monocular Scalable Telescopic Super Clear 16x52 Dual Focus Telescope Optics Zoom Monocular Scalable Telescopic New Rubber Armored for rugged field use center focusing mechanism for quick,easy focusing Suitable for Golf, Scope, Camping, Hiking, Fishing, Birdwatching, Concerts, etc. This monocular offers an 16x magnification and a 52mm objective diameter Single hand operation,Twist-up eyecup The fully coated optics, meanwhile, guarantee superior light transmission and brightness, helping you see just about any target, whether you're searching for birds or trying to get a better view of the stage.