Focus & Depth of Field
6 terms
Deep Depth of Field
Focus & Depth of Field
m
A wide zone of sharpness in which foreground, subject and background all hold detail.
Depth of Field
Focus & Depth of Field
m
The range of distances in front of and behind the plane of focus that appears acceptably sharp in the final image.
DoF ≈ 2u²Nc / f²
Depth of Field Scale
Focus & Depth of Field
m / ft
Markings on a lens barrel showing the near and far limits of sharpness for each aperture at the set focus distance.
Depth of Focus
Focus & Depth of Field
µm
The tolerance in sensor position, on the camera side of the lens, within which the image stays acceptably sharp.
≈ 2Nc
Diopter Adjustment
Focus & Depth of Field
diopters
A viewfinder correction that matches the eyepiece to the photographer's eyesight.
Dual Pixel Autofocus
Focus & Depth of Field
An on-sensor phase-detection design in which every photosite is split into two independently readable halves.