Substrate: SCHOTT / Color Glass Made In China
Dimensional Tolerance: -0.1mm
Thickness Tolerance: ±0.05mm
Surface Flatness:1(0.5)@632.8nm
Surface Quality: 40/20
Edges: Ground , 0.3mm max. Full width bevel
Clear Aperture: 90%
Parallelism:<5”
Coating: Optional