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| Coad | 669979 | Substrate | N-BK7 | |
| Type | Neutral Density Filter | OD | 0.4±0.03@635nm;0.4±0.1@350-1100nm | |
| Diameter(mm) | 50.8 x 50.8 | Diameter Tolerance | +0.00/-0.25mm | |
| Clear Aperture | >45.0 x 45.0mm | Parallelism | <30 arcsec | |
| Thickness(mm) | 2.00 | Thickness Tolerance | ±0.3mm | |
| Surface Quality | 60-40 | Wavelength(nm) | 350 - 1100 | |
| Surface Flatness | 2λ@633nm | FWHM | - | |
| Transmittance | - | Mechanical Housing | - | |
| Shell Diameter | - | Housing Diameter Tolerance | - | |
| Outer Shell Thickness | - | Operating Temperature | - | |
| Laser Damage Threshold | - | Transmission Wavefront Deviation | - | |
| Coating Radial Angle | - | Coating Type | Chromium-Nickel-Iron Alloy Coating | |
| Protective Chamfer | - | AOI | - | |
| Coating Specifications | - | |||
Traders City price 70.00$ The different purchase price may be caused by the store's previous promotion activities. For details, please consult the seller
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