Talk:Exposure (photography)

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What do you mean by "the total amount of light"? --- Miguel April 12th 2006.

The article on light value explains this a bit better. In a nutshell, you got an adjustable amount of light reaching the sensor while the shutter stays open for an adjustable period of time. "Total amount of light" refers to the exposure value, which is the product of the aperture value (which determines how much light is transmitted to the sensor) and exposure duration (except that everything is usually measured on a logarithmic scale, so EV is actually expressed as a sum). Depending on the application, exposure may be specified in foot-candle seconds. --MarkSweep (call me collect) 02:58, 13 April 2006 (UTC)

[edit] double exposure

double exposure is when u take one image make a image over it. but u can't over expose it.