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Computer Science 25 Online
OpenStudy (anonymous):

Help! Which of the following has the largest aperture opening? f/1.8 f/2.8 f/4 f/5.6

OpenStudy (bibby):

``` Basically, large aperture (f/2.0, f/2.8 etc.) lets in more light to the camera shutter for an exposure, while small aperture (f/11, f/16, f/22 etc.) has a smaller opening in the lens diaphragm to let in LESS light for a given exposure. ``` from http://www.mir.com.my/rb/photography/fototech/apershutter/aperture.htm

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