When you have purchased a pair of Optisan binoculars you can rest assured that you have chosen the best quality. Besides binoculars, Optisan manufactures also rifle scopes and telescopes. This brand is, therefore, well known of its outstanding optics and shockproof and durable housings. If you are searching for a great performance for an affordable price, go for Optisan. It combines Chinese creativity, Japanese technology and British experience!