key light

See also: keylight

English

English Wikipedia has an article on:

key light

Wikipedia

Alternative forms

• keylight

Noun

key light (plural key lights)

1. (photography, film, television) The most important light, used to highlight the form and dimension of the subject.
   • 2015, Don Presnell, Marty McGee, A Critical History of Television's The Twilight Zone, 1959-1964, page 57:

     Age lines were drawn on McCarthy's face in red makeup, and when key lights with red filters were used, the lines were not visible.