3 ms·

And called "halation" in photography & imaging > the spreading of light beyond its proper boundaries to form a fog around the edges of a bright image in a phot

And called "halation" in photography & imaging > the spreading of light beyond its proper boundaries to form a fog around the edges of a bright image in a photograph or on a television screen

MauranKilom 3y ago
And, without looking that up, "halation" presumably comes from this being an artifact of the chemical process in early photography involving silver halides!