Description
Material | BK7, Fused Silica, other optical glass |
Dimension Tolerance | +0.0/-0.2mm |
Clear Aperture | >90% |
Angle Tolerance | Up to 10 arc seconds |
Roof Angle Tolerance | Up to 3 arc seconds |
Flatness | Up to λ/[email protected] |
Surface Quality | Up to 20/10 scratch and dig |