
A coloured filter used on a camera lens to make black and white film produce the same relative brightness perceived by the human eye. For example, a yellow filter used to darken a blue sky so it does not appear excessively light
Found on
http://www.encyclo.co.uk/local/21048

A coloured filter used on a camera lens to make black and white film produce the same relative brightness perceived by the human eye. For example, a yellow filter used to darken a blue sky so it does not appear excessively light.
Found on
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

A filter which alters the colour rendition of a scene to suit the colour response of the eye. (see Colour correction)
Found on
https://www.encyclo.co.uk/local/20176
No exact match found.