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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 41-50 of 117

Name Density @ 546nm Transmission (%) @ 546nm Diameter (mm) Length (mm) Width (mm) Thickness (mm) Material/Equivalent Type Price Buy
FNP0350 pdf 0.3 50 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
FNP0250 pdf 0.2 63 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
FNP0150

pdf

0.1 79 50 50 0.1 Wratten 2 ND No. 96 Filter
US$51.92
FNM3050 pdf 50 50 2 Borosilicate Metallic ND Filter
US$53.52
FNM3025 pdf 25 2 Borosilicate Metallic ND Filter
US$34.40
FNM2050 pdf 50 50 2 Borosilicate Metallic ND Filter
US$53.52
FNM2025 pdf 25 2 Borosilicate Metallic ND Filter
US$34.40
FNM1550 pdf 50 50 2 Borosilicate Metallic ND Filter
US$53.52
FNM1525 pdf 25 2 Borosilicate Metallic ND Filter
US$34.40
FNM1050 pdf 50 50 2 Borosilicate Metallic ND Filter
US$53.52
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Neutral Density Filters

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