| Material | BK7 glass, UV grade fused silica, CaF2 |
| Design Wavelength | 632.8nm |
| Dimension Tolerance | +0/-0.2mm |
| Thickness Tolerance | ±0.2mm |
| Surface Quality | 60/40 scratch and dig |
| Power(fringe@633nm) | 3 |
| Irregularity(fringe@633nm) | 0.5 |
| Centration | <3arc minutes |
| Focal Length Tolerance | ±2% |
| Clear Aperture | >90% |
| Chamfer | Protective<0.5mmx45deg |
| Coating | Uncoated, AR, HR, PR Coating, etc. |
| Part No. | material | L(mm) | H(mm) | F(mm) | R(mm) | Tc(mm) | Te(mm) | fb(mm) |
| CYX1010F12.7 | N-BK7 | 10 | 10 | 12.7 | 6.54 | 4.4 | 2 | 9.8 |
| CYX1010F20 | N-BK7 | 10 | 10 | 20 | 10.29 | 3.3 | 2 | 17.8 |
| CYX1010F25 | N-BK7 | 10 | 10 | 25 | 12.87 | 3 | 2 | 23 |
| CYX1010F30 | N-BK7 | 10 | 10 | 30 | 15.4 | 2.6 | 2 | 26.2 |
| CYX2020F30 | N-BK7 | 20 | 20 | 30 | 15.5 | 5.7 | 2 | 26.3 |
| CYX2020F50 | N-BK7 | 20 | 20 | 50 | 25.73 | 4 | 2 | 47.3 |
| CYX2020F75 | N-BK7 | 20 | 20 | 75 | 38.6 | 3.3 | 2 | 72.8 |
| CYX2020F100 | N-BK7 | 20 | 20 | 100 | 51.47 | 3.3 | 2 | 97.3 |
| CYX2020F150 | N-BK7 | 20 | 20 | 150 | 77.2 | 3.7 | 3 | 147.5 |
| CYX2020F200 | N-BK7 | 20 | 20 | 200 | 102.93 | 3.5 | 3 | 197.7 |
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