aperture & depth of field

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Definition of aperture and how the aperture can be used to control Depth of Field.

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Aperture & Depth of Field

Digital PhotographyApollo Technology Education

Aperture: Controls the amount of light entering the camera through the lens. Every lens has an aperture.

Depth of Field: (DOF) the portion of a photograph that appears acceptably sharp or in focus.

Two Major Variables:1. Aperture2. Focal Length

Example: deep or broad Depth of Field

Example: a narrow Depth of Field

Narrow Depth of Field

•Long Focal Length •Maximize Optical Zoom

focal length: 200 mm

Deep Depth of Field

•Short Focal Length •Wide angle lens

Focal length: 15 mm

Controlling Details

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