Exposure & Metering
5 terms
Exposure & Metering
Aperture
The adjustable opening inside a lens that controls how much light passes through to the sensor, and with it the depth of field.
Exposure & MeteringAperture Priority
A semi-automatic mode, marked A or Av, in which the photographer sets aperture and ISO while the camera chooses shutter speed.
Exposure & MeteringAuto Exposure Bracketing (AEB)
Shooting a rapid sequence of frames at different exposures around the metered value, as insurance or as source material for merging.
Exposure & MeteringAuto Exposure Lock (AE-L)
A control that freezes the metered exposure so the frame can be recomposed without the reading changing.
Exposure & MeteringAuto ISO
A camera mode that lets the body select sensitivity automatically within limits the photographer sets, usually with a minimum shutter speed.