Results for “Aperture”
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.
Optics, Lenses & FiltersAperture Blades
The overlapping leaves inside a lens that form the iris, whose number and shape determine the geometry of the opening.
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.
Optics, Lenses & FiltersAspherical Element
A lens element whose surface departs from a simple sphere, correcting aberrations that spherical glass cannot.
Exposure & MeteringAuto ISO
A camera mode that lets the body select sensitivity automatically within limits the photographer sets, usually with a minimum shutter speed.