Focus & Depth of Field
7 terms
Scheimpflug Principle
The rule that when a lens is tilted, the subject plane, lens plane and image plane all intersect along a single common line.
Focus & Depth of FieldSelective Focus
The deliberate use of a narrow zone of sharpness to direct attention to one element and suppress everything else.
Focus & Depth of FieldShallow Depth of Field
A narrow zone of sharpness that isolates the subject against a strongly blurred foreground and background.
Focus & Depth of FieldSingle-point AF
An area mode in which the camera uses one selected focus point and ignores everything else in the frame.
Focus & Depth of FieldSingle-servo Autofocus
An autofocus mode, marked AF-S or One Shot, that focuses once and then locks while the shutter button is held halfway.
Focus & Depth of FieldSplit-image Screen
A focusing screen with a central circle divided in two, whose halves align only when the subject is in focus.
Focus & Depth of FieldSubject Tracking
A mode in which the camera identifies a chosen subject and follows it around the frame, moving the active focus area to match.