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.
halation is the term used to denote the spreading of light beyond its proper place on the negative.
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.
halation ha·la·tion (hā-lā'shən)
Blurring of the visual image due to glare from strong illumination.
A blurring or spreading of light around bright areas on a photographic image.