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halation
[ hey-ley-shuhn, ha- ]
noun
- 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.
halation
/ əˈɪʃə /
noun
- photog fogging usually seen as a bright ring surrounding a source of light: caused by reflection from the back of the film
51Թ History and Origins
Origin of halation1
Example Sentences
When viewed from several feet away, the dots coalesced into a halation of amorphous color.
Mr. Russell, Government Astronomer of New South Wales, finds that the "halation" of star photographs can be prevented by pouring over the back of the plate a film of collodion suitably stained.
Between Lida and the men who were circling the fire there was a veil of mist, and in the halation her champions loomed with heroic stature.
The first advantage, which I soon discovered, is their entire freedom from halation.
Nor did the disturbing influence of the glare and halation of Kimberley only affect the vision of the diamond men within the town.
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