Definition: Refers to the ability to override the auto exposure system on a digital camera to lighten or darken an image.
Definition: A system originally intended to simplify exposure calculations by assigning standardized number values to f-stop and shutter speed combinations. More open, used simply as a short-hand way of describing the range of light levels within which equipment operates. For example, a manufacturer may describe a meter as operating from EV -1 to EV 20 (4 sec at f/1. 4 to 1/2000 sec at f/22, with ISO 100 film).
Definition: A system originally intended to simplify exposure calculations by assigning standardized number values to f-stop and shutter speed combinations. More open, used simply as a short-hand way of describing the range of light levels within which equipment operates. For example, a manufacturer may describe a meter as operating from EV -1 to EV 20 (4 sec at f/1. 4 to 1/2000 sec at f/22, with ISO 100 film).
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