Specification
| | Standard precision | High-precision |
| Dimension Tolerance | φ5-150mm+0/-0.2 | φ3-200mm+0/-0.2 |
| Thickness Tolerance | 1-50mm+/-0.1 | 1-50mm+/-0.05 |
| Parallelism | 1 arc minutes | 10 arc seconds |
| Surface Quality | 60/40 | 20/10 |
| Flatness | N<λ 2@633nm(at=""> | N<λ 10@633nm(at=""> |
| Clear Aperture | >90% | >95% |
| Chamfer | Protected <0.5mmx45deg | Protected <0.5mmx45deg |
Production Process



