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