产 品 说 明                                                                                                                    


Specifications
Material:BK7 Grade A optical glass
Dimension Tolerance:+0.0, -0.2 mm
Clear Aperture:>80%
Angle Tolerance:± 3 arc minutes
Flatness:λ /2 @633 nm
Surface Quality:60-40 scrach and dig
Bevel:0.2 mm to 0.5 mm
Coating:Uncoated