A colour cast is a tint of a particular colour, usually unwanted, which affects the whole of a photographic image evenly.
Certain types of light can cause film and digital cameras to have a colour cast. In general, the human eye does not notice the unnatural colour, because our eyes and brains adjust and compensate for different types of light in ways that cameras cannot.
In film, colour casts can also be caused by problems in development. Improper timing or imbalanced chemical mixtures can cause unwanted casts.
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Famous quotes containing the words colour and/or cast:
“O Paddy dear, an’ did ye hear the news that’s goin’ round?
The shamrock is by law forbid to grow on Irish ground!
No more Saint Patrick’s Day we’ll keep, his colour can’t be seen,
For there’s a cruel law agin the wearin’ o’ the Green!”
—Unknown. The Wearing of the Green (l. 37–40)
“Sometimes, because of its immediacy, television produces a kind of electronic parable. Berlin, for instance, on the day the Wall was opened. Rostropovich was playing his cello by the Wall that no longer cast a shadow, and a million East Berliners were thronging to the West to shop with an allowance given them by West German banks! At that moment the whole world saw how materialism had lost its awesome historic power and become a shopping list.”
—John Berger (b. 1926)