halation
/hey-ley-shuhn, ha-/US // heɪˈleɪ ʃən, hæ- //UK // (həˈleɪʃən) //
光晕,晕眩,晕染,卤化
Related Words
Definitions
n.名词 noun
- 1
Photography.
- : a blurred effect around the edges of highlight areas in a photographic image caused by reflection and scattering of light through the emulsion from the back surface of the film support or plate.
Synonyms & Antonyms
Examples
Halation is the term used to denote the spreading of light beyond its proper place on the negative.
The first advantage, which I soon discovered, is their entire freedom from halation.
The same mixture makes an excellent backing for dry plates to prevent halation.
Nor did the disturbing influence of the glare and halation of Kimberley only affect the vision of the diamond men within the town.
As at Sannah's Post, so again at Lindley the halation of a word or two in his orders fogged the image on his retina.
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