| Parameter | Small Lens Standard Specification |
| Material | Glass, Fused Silica etc. |
| Diameter | Mini.1.5mm |
| Diameter Tolerance | +/-0.003mm |
| Decenter | 40″ |
| Flatness(in 25mmarea) | N=3, △N=0.1 |
| Surface Quality | 20-10 |
| Coating | AR film, Reflection film, Splitter film etc. |
* Remark：Customized is available | |
