|
Material
|
BK7 and other optical glass |
| Dimension Tolerance | +0.0/-0.1mm |
| Clear Aperture | >80% |
| Deviation | 180°±5 arc seconds |
| Flatness | λ/10@632.8nm |
| Wavefront Distortion | λ/4@632.8nm |
| Surface Quality | 60/40 scratch and dig |
| Chamfer | Sharp roof, other protective chamfered |
| Coating | AR |
