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Results for “Aperture”

2 terms

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Lighting & Flash

Guide Number

A measure of a flash's power, equal to the product of the correct aperture and the subject distance at a stated ISO.

GN = N × d m at ISO 100 Genres, Movements & Theory

Group f/64

A short-lived association of West Coast American photographers formed in 1932 to advocate sharp, unmanipulated photography.