From Longman Dictionary of Contemporary Englishsoft focusˌsoft ˈfocus noun [uncountable] TCPa way of photographing or filming things so that the edges of the objects in the photograph are not sharp or clear
Examples from the Corpus
soft focus• She sees everything in soft focus, but feels nothing.• Each frozen image has been warmed into soft focus, like a special effect.• Applied over makeup, this transparent, velvety gel puts wrinkles into soft focus. 