Colour cast
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A colour cast is a tint of a particular colour, usually unwanted, that evenly affects a photographic image in whole or in part.[1]
Certain types of light can cause
In film, colour casts can also be caused by problems in photo development. Improper timing or imbalanced chemical mixtures can cause unwanted casts.
Colour casts can also occur in old photographs due to fading of dyes, particularly under the action of ultraviolet light. These may be correctable on a scanned version of the photograph with image editing techniques.[2]
Solutions
Most digital cameras try to automatically detect and compensate colour cast and usually have a selection of manually set
A variety of coloured filters in varying degrees of intensity are available.
In the case of film, if photographs all contain the same cast, it is usually indicative of improper chemical development. If the film itself does not contain any cast, it can be reused to create another set of photographs in proper chemical conditions. If the film contains a cast, filters can be used during
Gallery
See also
- Colour balance
- Colour temperature
References
- ^ "Color cast". Adobe. 25 February 2017. Retrieved 28 September 2020.
- ^ "What are color casts and how to avoid them". Clickin Moms blog: Helping you take better pictures one day at a time. 2017-09-04. Retrieved 2020-09-29.