China Factory Optical Bk7 Glass Magnifying Lens, Find details about China Magnifying Glass Lens, Bk7 Glass Magnifying Lens from Factory Optical Bk7 Glass Magnifying Lens
Material | N-BK7, UV fused silica, JGS1,N-SF11, Silicon, Germanium, and optical glasses |
Diameter available | 1.5mm to 700mm |
Tolerance | +/-0.02mm |
Thickness tolerance | +/-0.02mm |
Surface quality | 40/20 or better |
Surface accuracy | Lambda/2 or better |
Centering | 1 arc min |
Chamfer | protective or do as per requested |
Coating | anti reflective coating for visible, UV, infrared wavelengths. Reflective mirror coating for the concave surfaces. |