| Material | Optical Glass, Color Glass |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15 mm |
| Cler Aperture | over 90% |
| Surface Quality | 80/50~10/5 scratch and dig |
| Flatness | <λ/4@632.8 nm |
| Parallelism | <5 Arc seconds |
| Chamfer | 0.1-0.5 mm x 45 degree |
| Coating | available |
| Usage | optical system, photography sysem, Lighting system |


