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famous old photographs
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Famous Old Photographs

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.
Shutter speed - Adjustment of the speed (often expressed either as fractions of seconds or as an angle, with mechanical shutters) of the shutter to control the amount of time during which the imaging medium is exposed to light for each exposure. Shutter speed may be used to control the amount of light striking the image plane; 'faster' shutter speeds (that is, those of shorter duration) decrease both the amount of light and the amount of image blurring from motion of the subject and/or camera.

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Filename:315819.jpg
Album name:Art & Creativity
Rating (1 votes):55555
Keywords:#famous #old #photographs
Filesize:52 KiB
Date added:Sep 13, 2010
Dimensions:550 x 681 pixels
Displayed:10 times
URL:displayimage.php?pid=315819
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