Look up: Auto-exposure

1. 
   Auto exposure
   (Film cameras) The system with which your camera automatically sets the lens aperture and shutter speed to get the proper amount of light to the film.
   Found on http://www.olympus.co.uk/consumer/208_10
   
   
2. 
   Auto Exposure
   - The camera or scanner feature that automatically selects optimal exposure (light gathering) settings to maximize image quality. This feature sets shutter speed and aperture settings to suit the image, captures needs of different lighting situations, and as a result, improves image quality.
   Found on http://h71036.www7.hp.com/hho/cache/396-
   
   
3. 
   Auto-exposure
   The camera has a built-in light meter and computer that measures available light and sets exposure for you. A feature on moderately-priced to expensive cameras. Most serious amateurs and professionals want to be able to occasionally turn off (or 'override') the auto-exposure feature for those situations where they want to manually set a special exp ...
   Found on http://www.rodsmith.org.uk/photographic%
   
   
4. 
   Auto-exposure
   The camera has a built-in light meter and computer that measures available light and sets exposure for you. A feature on moderately-priced to expensive cameras. Most serious amateurs and professionals want to be able to occasionally turn off (or 'override') the auto-exposure feature for those situations where they want to manually set a s...
   Found on http://www.digitalexposure.ca/sub1.html
   
   
5. 
   automatic exposure
   function to optimize the output signal level of the image, by using automatic iris control, electronic gain control, and exposure time control for the image
   Found on http://www.electropedia.org/iev/iev.nsf/