China 50mm Diameter Optical Aspherical Bk7 Glass Lens for Imaging, Find details about China Aspheric Lens, Optical Aspheric Lens from 50mm Diameter Optical Aspherical Bk7 Glass Lens for Imaging
Product Name | Aspherical lens |
Diameter &Tolerance | 3-300±0.02mm |
Clear aperture | >90% |
Thickenss &Tolerance | 0.5-50±0.0mm |
Surface Flatness | 1/10 Lambda |
Surface Quality | 20-10 |
Material | N-BK7,Quartz, Sapphire, CaF2, Ge,Si,ZnSe |
Beveling | 0.25±0.1mm |
Coating | AR coatimg/Reflective coating/Dichroic film |