Results for “Aperture”
4 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.
Optics, Lenses & FiltersTeleconverter
A supplementary optic mounted between lens and body that multiplies focal length at the cost of light and, usually, sharpness.
Optics, Lenses & FiltersTilt-shift Lens
A lens that can be tilted or shifted relative to the sensor, controlling the plane of focus and correcting converging verticals.