Results for “Depth of Field”
5 terms
Environmental Portrait
Genres, Movements & Theory
A portrait made in a setting that tells the viewer something about the subject's life, work or identity.
Equivalent Exposure
Exposure & Metering
stops (EV)
Any different combination of aperture, shutter speed and ISO that yields identical image brightness.
N₁²/t₁ = N₂²/t₂
Equivalent Focal Length
Cameras, Formats & Systems
mm
The full-frame focal length that would give the same angle of view as a given lens on a smaller format.
f_equiv = f × crop factor
Exposure Triangle
Exposure & Metering
stops
The teaching model that links aperture, shutter speed and ISO as three interdependent controls, where changing one requires compensating with another.
Aperture ↔ Shutter ↔ ISO
Eye AF
Focus & Depth of Field
A refinement of face detection that locates and focuses on the eye itself, and usually lets the photographer choose which one.