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DEPTH OF FIELD Depth of field (DOF) is the distance between the nearest and farthest objects in a recorded scene that appear acceptably sharp in an image. In some cases, it may be desirable to have the entire image sharp, and a large DOF is appropriate. In other cases, a small DOF may be more effective, emphasizing the subject while de-emphasizing the foreground and background. DOF is effected by many camera physical factors and subject foreground to background distances.  One of the most basic factors effecting DOF is the size of the camera sensor.  Camcorder small camera sensors typically have deep DOF while DSLR large sensors (i.e. “full frame” sensor) can have very shallow DOF.  For a very shallow DOF the camera lens aperture must be set very wide, I.e. f-2.0 or wider.
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