aperture-priority

[ ap-er-cher-prahy-or-i-tee, -awr- ]

adjective

, Photography.

1. of or relating to a semiautomatic exposure system in which the photographer presets the aperture and the camera selects the shutter speed.

aperture priority

noun

1. See shutter priority
   photog an automatic exposure system in which the photographer selects the aperture and the camera then automatically sets the correct shutter speed Compare shutter priority