China Factory Custom Ar Af Transparent B270 Bk7 Optical Glass Window for Camera Lens, Find details about China Bk7 Window, Optical Windows from Factory Custom Ar Af Transparent B270 Bk7 Optical Glass Window for Camera Lens
Diameter | 0.2-300mm |
Thickness | 0.1-100mm |
Dimension tolerance | +/-0.02mm |
Surface quality (scratch & dig) | 20/10 or better |
Clear aperture | >85%, >90% |
Surface accuracy | λ/10 |
Parallelism | <30 arc sec |
Bevel | 0.1~0.3mm x 45 degree |
Coating | AR, BBAR or Custom |