Exposure & Metering
3 terms
Exposure & Metering
T-stop
A measured aperture value that accounts for the light a lens actually transmits, rather than the geometric ratio an f-number implies.
Exposure & MeteringThird Stop
A one-third-stop increment, the fine adjustment step most digital cameras use for aperture, shutter speed, ISO and exposure compensation.
Exposure & MeteringTime Mode
A shutter setting, marked T, that opens the shutter on one press of the release and closes it on a second.