| Diameter | 2-250mm |
| Radius | 5mm |
| Centration | <3min, <1min or <30'' |
| Clear Aperture | >90% |
| Surface roungh | 60/40, 40/20 or better |
| Surface flatness | lambda/4, lambda/2 or as request |
| Chamfer | 0.1+/-0.05mmx45deg |
Why choose us?
Our Advantages: