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Specifications
Specifications
| Material | Absorptive Glass |
| Dimension Tolerance | +0.0/-0.2mm |
| Surface Quality | 80/50 scratch and dig |
| Clear Aperture | >90% |
| Flatness | <2λ@632.8nm |
| Parallelism | <5 arc minutes |
| Chamfer | Protective<0.5mmx45° |
| OD Tolerance | OD±10%@Design Wavelength |
| Design Wavelength | 400-700nm |
Standard Product
| Product Number | Dimension [mm] | Optic Density | Cart |
| NDFA001 | 25.4 | 0.1 |  |
| NDFA002 | 25.4 | 0.2 | |
| NDFA003 | 25.4 | 0.3 | |
| NDFA004 | 25.4 | 0.4 | |
| NDFA005 | 25.4 | 0.5 | |
| NDFA006 | 25.4 | 0.8 | |
| NDFA007 | 25.4 | 1 | |
| NDFA008 | 25.4 | 2 | |
| NDFA009 | 25.4 | 3 | |
| NDFA010 | 50*50 | 0.1 | |
| NDFA011 | 50*50 | 0.2 | |
| NDFA012 | 50*50 | 0.3 | |
| NDFA013 | 50*50 | 0.4 | |
| NDFA014 | 50*50 | 0.5 | |
| NDFA015 | 50*50 | 0.8 | |
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