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Neutral density filters attenuate light by a constant amount that is, to first order, independent of the wavelength neutral density filters are designed to equally reduce the transmission over a specified spectrum, either by absorption or reflection. Knight Optical stock several ranges for your specific application.

Items 31-40 of 117

Name Density @ 546nm Transmission (%) @ 546nm Diameter (mm) Length (mm) Width (mm) Thickness (mm) Material/Equivalent Type Price Buy
FNU00325 pdf 25 2 UV Fused Silica Uncoated UV Fused Silica
US$30.27
FNP4050 pdf 4 0.01 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
FNP2799 1.1 27.2 2 Absorptive Glass ND Filter
US$28.52
FNP0950 pdf 0.9 13 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
FNP09300 pdf 0.9 13 300 100 0.1 Wratten 2 ND No. 96 Filter
US$451.06
FNP0850 pdf 0.8 16 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
FNP0750 pdf 0.7 19 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
FNP0650 pdf 0.6 25 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
FNP0550 pdf 0.5 32 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
FNP0450 pdf 0.4 40 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
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Neutral Density Filters

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