China Facotry Customized Plano Concave Lens Optical Glass Bk7 Silicon, Find details about China Optical Bk7 Glass Lens, Custom-Made Plano Concave Lens from Facotry Customized Plano Concave Lens Optical Glass Bk7 Silicon
Material | N-BK7, UV fused silica, JGS1,N-SF11, Silicon, Germanium, etc. |
Diameter available | 1.5mm to 700mm |
Tolerance | +/-0.05mm |
Thickness tolerance | +/-0.05mm |
Surface quality | 20/10 or better |
Surface accuracy | Lambda/4 or better |
Centering | 1 arc min |
Chamfer | protective |
Coating | anti reflective coating for visible, UV, infrared wavelengths and reflective coating for the concave surface, mirror coating |