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FNP2050 - Gelatine Neutral Density Filters
Knight Optical (UK) Ltd
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FNP2050 - Gelatine Neutral Density Filters
Neutral density filters attenuate light by a constant amount that is, to first order, independent of the wavelength. Gelatin ND filters are the cheapest but tend to have more fluctuation with wavelength and a narrower wavelength range than glass ND filters and metallic types.  Gelatine neutral density filters work by absorption ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50 mm
Optical Density: 2.0
Data Sheet
FNP1050 - Gelatine Neutral Density Filters
Knight Optical (UK) Ltd
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FNP1050 - Gelatine Neutral Density Filters
Neutral density filters attenuate light by a constant amount that is, to first order, independent of the wavelength. Gelatin ND filters are the cheapest but tend to have more fluctuation with wavelength and a narrower wavelength range than glass ND filters and metallic types.  Gelatine neutral density filters work by absorption ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50 mm
Optical Density: 1.0
Data Sheet