Nanyang City Hailin Optical Instrument Machining Co., Ltd. We specialize in manufacturing various kind of optical precision lenses, elements, prism, also assembling various type of binoculars and telescopes. The production capability of our Aspherical lense diameter can be from 2.8 to 200mm with radius R2 - R∞. Meanwhile the plano optical elements with diameter within 350mm can be available. At present we are producing different lenses with focal length limitation from 2.9 to 24mm. All ODM lenses can be produced at our factory. The series of our binoculars: DCF (Dach Central Focus) series, UCF (Ultra Central Focus) series, ZCF ( Zeiss Central Focus) series. Also we are offering telescopes for special uses like Waterproof binoculars, zoom binoculars, Spotting scope,Astronomical telescope, Night vision, Riflescope. In 2003 we have granted with import & export right. Please feel free to contact us if have any questions or inquiries that you may have. We sincerely look forward to hearing from you.