Results for “Aperture”
2 terms
Guide Number
Lighting & Flash
m at ISO 100
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
Group f/64
Genres, Movements & Theory
A short-lived association of West Coast American photographers formed in 1932 to advocate sharp, unmanipulated photography.