Exposure & Metering
5 terms
Exposure & Metering
Shutter Priority
A semi-automatic mode, marked S or Tv, in which the photographer sets shutter speed and ISO while the camera chooses aperture.
Exposure & MeteringShutter Speed
The length of time the shutter stays open, controlling both total exposure and how much subject or camera movement is recorded as blur.
Exposure & MeteringSpot Metering
A metering pattern that reads only a small circle, usually one to three per cent of the frame, ignoring everything around it.
Exposure & MeteringStop
The fundamental unit of exposure change: one stop doubles or halves the amount of light reaching the sensor.
Exposure & MeteringSunny 16 Rule
A field estimate stating that in bright, direct sunshine, correct exposure is f/16 with a shutter speed of one over the ISO.