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 |