halation 的定义
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.
halation 近义词
等同于 halo
更多halation例句
- 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.