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Specifications
Specifications
| Material | B270 Glass |
| Dimension Tolerance | +0.0/-0.2mm |
| Thickness | 2.0±0.2mm |
| Surface Quality | 80/50 scratch and dig |
| Clear Aperture | >90% |
| Flatness | <2λ@632.8nm |
| Parallelism | <5 arc minutes |
| Chamfer | Protective<0.5mmx45° |
| Coating | Metallic reflective coating |
| OD Tolerance | OD±10%@Design Wavelength |
| Dimension | 25.4mm |
| Thickness | 2mm |
| Design Wavelength | 400-700nm |
Standard Product
| Product Number | Optic Density | Cart |
| NDFR001 | 0.1 |  |
| NDFR002 | 0.2 | |
| NDFR003 | 0.3 | |
| NDFR004 | 0.4 | |
| NDFR005 | 0.5 | |
| NDFR006 | 0.8 | |
| NDFR007 | 1 | |
| NDFR008 | 2 | |
| NDFR009 | 3 | |
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