material:BK7,JGS1 glass or YAG, sapphire crystal our sales department will have a good communication with you!

material:BK7,JGS1 glass or YAG, sapphire crystal

Material:	BK7 Grade A Optical Glass
Dimension:	2.5×2.5~100.0×100.0
Dimension Tolerance:	±0.2 (General),±0.05 (High Precision)
90° Deviation Tolerance:	<1 arc min.(General).
Flatness:	λ/2@633nm(General), λ/4@633nm(High Precision)
Reflection:	>90%@400-700nm
Angle Tolerance:	<3 arc min.(General).
Surface quality:	60/40 (General), 10/5 (High Precision)

penta prism