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Chapter 3: Viewpoint and Perspective  > Depth of field and focus

Depth of field and focus

Depth of field and focus play pivotal roles in delineating a visual hierarchy among compositional elements by calling attention to the sharpest parts of a scene. In addition to the integral parts of composition we’ve already examined—lens, viewpoint, and perspective—depth-of-field techniques provide another means to enhance the perception of depth and bring emphasis to your subjects. Your selection of lens settings for aperture and focus point puts you in direct charge over depth of field in your photographs.

The term “depth of field” defines the floating zone of sharpness around the focus point in a photograph. This distinct zone can expand or contract and move closer or farther away in relation to camera position based on the combination of aperture, focus point, lens, and distance.


  

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