Materials:All kinds of high quality optical glass, quartz and crystal
Diameter:0. 2~350mm
Radius:R 1.5mm-∞
Center thickness tolerance:±0.01mm
Diameter tolerance:±0.005mm
Surface quality:20/10--80/50
Surface accuracy:<1λ
Irregularity:λ/10
Decenter:15"
Coating:Upon request