1.Material | N-BK7,FS or based on clients' requirements |
2.Dimensional tolerances | 0/-0.05mm |
3.Surface flatness | Lambda/4@633nm |
4.Clear aperture | >90% |
5.Parallelism or centration | 1arc minute |
6.Surface Quality | US Standard 20-10,ISO Standard 3X0.16 |
7.Edge Chip | <0.1mm |
8.Bevel | Based on clients' requests |
9.Coating | Apply metal reflecting coating or dielectric coating or based on clients' requests |