Aperture & Depth of Field<br />Digital Photography<br />Apollo Technology Education<br />
Aperture:  Controls the amount of light entering the camera through the lens.  Every lens has an aperture.<br />
Depth of Field:  (DOF) the portion of a photograph that appears acceptably sharp or in focus.<br />Two Major Variables:<br...
Example: deep or broad Depth of Field<br />
Example: a narrow Depth of Field<br />
focal length: 200 mm<br />Narrow Depth of Field<br /><ul><li>Long Focal Length
Maximize Optical Zoom</li></li></ul><li>Deep Depth of Field<br /><ul><li>Short Focal Length
Wide angle lens </li></ul>Focal length: 15 mm<br />
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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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  • Review light, lens, and zoom concepts – the aperture is part of the lens.”F-stops” the numbers associated with each size is an inverse relationship, which can be confusing.
  • demonstrate shining light through an actual lens.
  • Also known as deep focus Landscape, architectural, large group portrait photography usually have a large depth of field. Small aperture openingThis picture was taken with a shorter lens with a very small aperture (F-22)opening and also used a tripod.
  • Also known as shallow focusMacro or close-up photographyLarge apertureCan also be accomplished by increasing focal length. This picture was taken with a medium range lens with a very large aperture (F-1.8)
  • Aperture & Depth Of Field

    1. 1. Aperture & Depth of Field<br />Digital Photography<br />Apollo Technology Education<br />
    2. 2. Aperture: Controls the amount of light entering the camera through the lens. Every lens has an aperture.<br />
    3. 3.
    4. 4. Depth of Field: (DOF) the portion of a photograph that appears acceptably sharp or in focus.<br />Two Major Variables:<br />Aperture<br />Focal Length<br />
    5. 5.
    6. 6. Example: deep or broad Depth of Field<br />
    7. 7. Example: a narrow Depth of Field<br />
    8. 8. focal length: 200 mm<br />Narrow Depth of Field<br /><ul><li>Long Focal Length
    9. 9. Maximize Optical Zoom</li></li></ul><li>Deep Depth of Field<br /><ul><li>Short Focal Length
    10. 10. Wide angle lens </li></ul>Focal length: 15 mm<br />
    11. 11. Controlling Details<br />
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