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6Â¥: Originally posted by rockinuk at 2012-08-28 18:14:32
Density of the image
http://www.studentfilmmakers.com/bb/showthread.php/4275-Density-of-the-image

Pixel density
http://en.wikipedia.org/wiki/Pixel_density

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It actually means how dense the film is -- in b&w terms, how much black silver is on the piece of film, which affects how much light has to push through it. In color terms, it would the density of the resulting color coupler dye clouds remaining after the silver is removed.

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7Â¥2012-08-28 18:25:50
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lovibond: ½ð±Ò+1, ¹ÄÀø½»Á÷ 2012-08-29 10:48:06
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chentianyu1

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Density.
The optical density is the degree of blackening of film after exposure and processing. The blacker the area in question, the higher the density. Density is measured by the ability of the developed silver in the piece of film to stop light from passing through.

http://www.dentallearning.org/course/fde0030/Imaging_terms.htm
3Â¥2012-08-28 17:26:43
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chentianyu1

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conanwj: Ó¦ÖúÖ¸Êý+1, ¸ÐлӦÖú 2012-08-29 10:12:51
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2Â¥: Originally posted by rockinuk at 2012-08-28 16:13:06
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