| Material：Optical Color Glass | Thickness：2±0.2mm |
| Flatness：λ/2@633nm (every dia. 25mm) | *Central wavelength：±10nm |
| Parallelism：<1' | Transmission：Tavg>85% |
| Surface Quality：60/40 | Dimension Tolerance：+0.0/-0.2mm |
| *Central wavelength(λC)：Location of wavelength point with 50% of peak transmittance | |
