. . "the range of optical density and tone on a photographic negative or print (or the extent to which adjacent areas on a television screen differ in brightness)"@en-us . . "05126362-n"^^ . . "contrast"^^ . . . "contrast"@en-us . "0"^^ . "104840358"@en-us . . . . . "0"^^ . "105126362"^^ . .