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Definition of depth of field

The measurement of the area in front of and behind the subject that is in focus.

Computer Science

Other definitions of depth of field

the depth of composition of a shot, i.e., where there are severalplanes (vertical spaces in a frame): (1) a foreground, (2) a middle-ground, and (3) a background; depth of field specifically refers to the area, range of distance, or field (between the closest and farthest planes) in which the elements captured in a camera image appear in sharp or acceptable focus; as a rule of thumb, the area 1/3 in front of and 2/3 behind the subject is the actual distance in focus; depth of field is directly connected, but not to be confused withfocus

Film Terms