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Neutral Density Attenuators/Filters
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| Model | Stackable ND Filters ND1/ND2/ND3 | LBF-50 | Continuously Variable | UV ND Filters | Speciality Filter for 355nm | Speciality Filter for 1300nm |
| Nominal ND value | (vis) 1,2,3 | (vis) 0.3, 0.7, 1, 2, 3, 4 | (vis) 1-6 contineously variable | 0.3, 0.7, 1.0, 1.3 ,1.7, 2.0, 2.3, 2.7, 3.0, 3.3, 3.7, 4.0, 4.3, 4.7, 5.0, 6.0 | Pass 355nm, blocks 532nm & 1064nm | Pass 1300nm, blocks <1100nm |
| Clear aperature | Ø19mm | Ø12mm | Ø20mm | Ø20mm | Ø19mm | Ø19mm |
| Damage threshold | 5W/cm² no distortion | 5W/cm² no distortion | 5W/cm² no distortion | 100W/cm² CW,20/cm² 10ns pulses, no distortion | 5W/cm² no distortion | 5W/cm² no distortion |
| Mounting | C-Mount Threads | C-Mount Threads | C-Mount Threads | C-Mount Threads | C-Mount Threads | C-Mount Threads |