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Personne àcontacter Ms. jing
6th Fl,No.9 Building ,Tiezi Road,Xixiang Street,Shenzhen city,Guangdong,China, Shenzhen, Guangdong
We make lenses with diameter from 1.0mm to **0mm by optical glass or optical crystals, such as BK7, fused silica, CaF2. Our standard lens has the following specifications: Material: grade A BK7, fused silica, sapphire, or CaF2 Diameter tolerance: *0.0, *0.*2mm Paraxial focal length tolerance: ±2% Centralization: 3arcmin Clear aperture: >*5% Surface figure: 1/2 at **2.8nm Surface quality: *0/*0 scratch/dig Bevel: 0.*5mm x *5° Coating: uncoated or coated upon requests We supply standard lens (please visit our website for standard lenses) and customized or OEM lenses upon customers&#**9; requests. We have advanced measurement instruments, and a trioptic lenses measurement system, to ensure accuracy of each lens.
