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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 21-30 of 117

Name Density @ 546nm Transmission (%) @ 546nm Diameter (mm) Length (mm) Width (mm) Thickness (mm) Material/Equivalent Type Price Buy
FNU0450 pdf 50 50 2 UV Fused Silica Metallic ND Filter
US$103.21
FNU0425 pdf 25 2 UV Fused Silica Metallic ND Filter
US$64.98
FNU0350 pdf 50 50 2 UV Fused Silica Metallic ND Filter
US$103.21
FNU0325 pdf 25 2 UV Fused Silica Metallic ND Filter
US$64.98
FNU0313 pdf 12.5 2 UV Fused Silica Metallic ND Filter
US$30.58
FNU0250 pdf 50 50 2 UV Fused Silica Metallic ND Filter
US$103.21
FNU0225 pdf 25 2 UV Fused Silica Metallic ND Filter
US$64.98
FNU0150 pdf 50 50 2 UV Fused Silica Metallic ND Filter
US$103.21
FNU0125 pdf 25 2 UV Fused Silica Metallic ND Filter
US$64.98
FNU00350 pdf 50 50 2 UV Fused Silica Uncoated UV Fused Silica
US$48.93
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Neutral Density Filters

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