1.Material | Zinc Selenide or based on customers' need |
2.Dimensional tolerances | 0/-0.05mm |
3.Surface flatness | Lambda/4@633nm,per 25.4mm diameter |
4.Clear aperture | >90% |
5.Centration | 1 mintue |
6.Surface quality | Infrared 40-20 |
7.Edge Chip | <0.1mm |
8.Bevel | Based on clients' requests |
9.Coating | Apply Infrared AR coating or based on client requests |