technical parameter
| Product diameter | Ф0.5~Ф5mm |
| Dimensional tolerance | 0/-0.01mm |
| Thickness tolerance | ±0.01mm |
| Design wavelength | 546.1nm |
| Surface Quality | 10/5 |
| Clear aperture | >90% |
| aperture | N<1(0.2)632.8nm |
| Center deviation | <0.01mm |
| Focal length tolerance | ±2% |
| Chamfer | 0/+0.05mmх45° |
