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Focus & Depth of Field

6 terms


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Focus & Depth of Field

Deep Depth of Field

A wide zone of sharpness in which foreground, subject and background all hold detail.

m
Focus & Depth of Field

Depth of Field

The range of distances in front of and behind the plane of focus that appears acceptably sharp in the final image.

DoF ≈ 2u²Nc / f² m
Focus & Depth of Field

Depth of Field Scale

Markings on a lens barrel showing the near and far limits of sharpness for each aperture at the set focus distance.

m / ft
Focus & Depth of Field

Depth of Focus

The tolerance in sensor position, on the camera side of the lens, within which the image stays acceptably sharp.

≈ 2Nc µm
Focus & Depth of Field

Diopter Adjustment

A viewfinder correction that matches the eyepiece to the photographer's eyesight.

diopters
Focus & Depth of Field

Dual Pixel Autofocus

An on-sensor phase-detection design in which every photosite is split into two independently readable halves.