Specification:
Material:Optical glass
Size:2-300mm
Size Tolerance:+0/-0.01~+0/-0.1mm
Thickness Tolerance:±0.01~±0.1mm
Irregularity (P-V) @ 632.8nm:λ/10~λ/2@632.8nm
Surface Quality:10/5~60/40
parallelism:<3”~3'
Clear Aperture:>90%
Bevel:Protective bevel as needed
| Material | Diameter | Thickness | Diameter Tolerance | Thickness Tolerance | T：R | Coating |
| Optical Glass | 20*20 | 1.1 | +/-0.2 | +/-0.2 | T：R 1：1 | Visible light |
| Optical Glass | 30*30 | 1.1 | +/-0.2 | +/-0.2 | T：R 1：1 | Visible light |
| Optical Glass | 35*30 | 1.1 | +/-0.2 | +/-0.2 | T：R 1：1 | Visible light |
| Optical Glass | 36*26 | 1.1 | +/-0.2 | +/-0.2 | T：R 1：1 | Visible light |
| Optical Glass | 45*30 | 1.1 | +/-0.2 | +/-0.2 | T：R 1：1 | Visible light |
| Optical Glass | 80*80 | 1.1 | +/-0.2 | +/-0.2 | T：R 1：1 | Visible light |
| Optical Glass | 20*20 | 1.1 | +/-0.2 | +/-0.2 | T：R 4：6 | Visible light |
| Optical Glass | 30*30 | 1.1 | +/-0.2 | +/-0.2 | T：R 4：6 | Visible light |
| Optical Glass | 35*30 | 1.1 | +/-0.2 | +/-0.2 | T：R 4：6 | Visible light |
| Optical Glass | 36*26 | 1.1 | +/-0.2 | +/-0.2 | T：R 4：6 | Visible light |
| Optical Glass | 45*30 | 1.1 | +/-0.2 | +/-0.2 | T：R 4：6 | Visible light |
| Optical Glass | 80*80 | 1.1 | +/-0.2 | +/-0.2 | T：R 4：6 | Visible light |
| Optical Glass | 20*20 | 1.1 | +/-0.2 | +/-0.2 | T：R 3：7 | Visible light |
| Optical Glass | 30*30 | 1.1 | +/-0.2 | +/-0.2 | T：R 3：7 | Visible light |
| Optical Glass | 35*30 | 1.1 | +/-0.2 | +/-0.2 | T：R 3：7 | Visible light |
| Optical Glass | 36*26 | 1.1 | +/-0.2 | +/-0.2 | T：R 3：7 | Visible light |
| Optical Glass | 45*30 | 1.1 | +/-0.2 | +/-0.2 | T：R 3：7 | Visible light |
| Optical Glass | 80*80 | 1.1 | +/-0.2 | +/-0.2 | T：R 3：7 | Visible light |
