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famous old photographs
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Famous Old Photographs

In all but certain specialized cameras, the process of obtaining a usable exposure must involve the use, manually or automatically, of a few controls to ensure the photograph is clear, sharp and well illuminated. The controls usually include but are not limited to the following:
Focus - The adjustment to place the sharpest focus where it is desired on the subject.
Aperture - Adjustment of the lens opening, measured as f-number, which controls the amount of light passing through the lens. Aperture also has an effect on depth of field and diffraction – the higher the f-number, the smaller the opening, the less light, the greater the depth of field, and the more the diffraction blur. The focal length divided by the f-number gives the effective aperture diameter.

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Filename:315758.jpg
Album name:Art & Creativity
Rating (1 votes):55555
Keywords:#famous #old #photographs
Filesize:47 KiB
Date added:Sep 13, 2010
Dimensions:700 x 368 pixels
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URL:displayimage.php?pid=315758
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