| Material：H-K9L (CDGM) | Surface Figure：λ/4@633nm |
| Centration：<3' | Surface Quality：60/40 |
| Dimension Tolerance：+0.0/-0.1mm | Thickness Tolerance：±0.2mm |
| EFL Tolerance：±2% | Bevel：0.2~0.5mmX45° |
| Coating：See details in the list | |
| Rear Surface：Fine ground or commerical polished | |
