We are the largest manufacturer in china of optical lenses (annual output of optical lenses reaches 30 million pieces), we mainly produces lenses &prisms to form complete sets with sorts of telescopes, microscopes, binoculars, monocular and magnifiers .the finished goods have been exported to over ten countries and regions, i.e. Germany, France, Netherlands and USA, etc. Our annual export income is 20 million USD, our rate of good merchantable quality reaches 100%%. So we are given reliance and praise by most of our customers, hence we have established good cooper-active partnership with them.Our main magnifiers lenses have 17mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 75mm, 90mm, 100mm, 150mm etc. Our binoculars have 4x30, 5x20, 8x21, 10x25, 7x35, 7x50, 8x40, 10x50, 12x32, 16x32, etc. If you find any of the items interesting, please let us know as soon as possible. We shall be glad to send you our latest catalogue, quotations and samples upon receipt of your concrete enquiries.