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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.

117 Items

117 Items

1

Neutral Density Filters

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Diameter (mm)
Length (mm)
Width (mm)
Thickness (mm)
Type
Density @ 546nm
Material/Equivalent
Transmission (%) @ 546nm