category
BG39 IR cut off optical filter color glass
Surface quality
0/0, 40/20 ~ 80/50
Surface Accuracy
1/10 in, 1/4 into 2 into
Thickness tolerance
± 0.01mm ~ ± 0.02mm
Parallelism
5Arc second ~ 1Arc Minute
Processing range
up to 0.2mm thickness of the thinnest