| Items |
 /Asset/neutral-desnity-filters-1.jpg SO-ND-FIL-EH12C-0001 SO-ND-FIL-EH12C-0001 High Quality UV Metallic Neutral Density Filter |
/Asset/neutral-desnity-filters-1.jpg SO-ND-FIL-EH12C-0002 SO-ND-FIL-EH12C-0002 High Quality UV Metallic Neutral Density Filter |
/Asset/neutral-desnity-filters-1.jpg SO-ND-FIL-EH12C-0003 SO-ND-FIL-EH12C-0003 High Quality UV Metallic Neutral Density Filter |
/Asset/neutral-desnity-filters-1.jpg SO-ND-FIL-EH12C-0004 SO-ND-FIL-EH12C-0004 High Quality UV Metallic Neutral Density Filter |
/Asset/neutral-desnity-filters-1.jpg SO-ND-FIL-EH12C-0005 SO-ND-FIL-EH12C-0005 High Quality UV Metallic Neutral Density Filter |
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| Materials | UV Fused Silica | |||||||||
| Transmitted Wavefront Error | λ/4@633 nm | |||||||||
| Parallelism | <30 arc·sec | |||||||||
| Surface Quality (Scratch-Dig) | 20-10 | |||||||||
| Diameter Tolerance | +0.0/-0.1 mm | |||||||||
| Thickness Tolerance | 2 mm ±0.2 mm | |||||||||
| Wavelength Range | 200-1200 nm | |||||||||
| Optical Density Error | ±5%@300 nm | |||||||||
| Clear Aperture | >90 % | |||||||||
| Optical Density OD=log10(1/T) | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | |||||
| Transmission | 79 % | 63 % | 50 % | 40 % | 32 % | |||||
| Design Wavelength | 300 nm | |||||||||
| Thickness | ||||||||||
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