Material:BK7 glass or UV grade fused silica
Dimension Tolerances:+/-0.1mm
Angle Tolerance:+/-3 minutes
Clear Aperture:>90% Surface Quality:20/10 Scratch/Dig
Surface Flatness:lambda/4
Chamfer:0.3+/-0.1mm Coating:Optional
Material:BK7 glass or UV grade fused silica
Dimension Tolerances:+/-0.1mm
Angle Tolerance:+/-3 minutes
Clear Aperture:>90% Surface Quality:20/10 Scratch/Dig
Surface Flatness:lambda/4
Chamfer:0.3+/-0.1mm Coating:Optional