Wednesday, 1 October 2014

Depth of field ( Definition and examples )

Depth of field(DOF)
is the amount of distance between the nearest and farthest objects that appear in acceptably sharp focus in a photograph. To define depth of field as the zone of sharpest focus in front of, behind, and around the subject on which, when lens is focused on a specific subject . Depth of field increases with distance. The farther you place the camera from your subject, the more depth of field you can obtain. Landscapes have great depth of field, while macro photographs tend to have very little depth of field because the subject is so close to the lens. Depth of field is governed by three factors: aperture, lens focal length and shooting distance.
*The smaller the aperture, the deeper the depth of field
*The shorter the lens focal length, the deeper the depth of field
*The greater the shooting distance, the deeper the depth of field. .
Another characteristic of depth of field is that it is generally deeper in the background than in the foreground.

SHALLOW DEPTH OF FIELD 

HIGH DEPTH OF FIELD 

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