The ability to manually alter the camera's auto exposure setting for specific effects and subjects
Dial or buttons on a camera that allow the user to override the automatic exposure mode Most cameras have +/-2 stops control that is enough to compensate in situations where the camera’s system would normally be fooled Can also be used to modify contrast when a film is to be pushed or pulled
The ability to adjust exposure by one or two stops to lighten or darken the image
Deliberately changing the exposure settings recommended by a light meter in order to obtain proper exposure (Sometimes an exposure meter or light meter is "tricked" into providing settings that will underexpose or overexpose an image, for example, when the subject is relatively small in a field of bright, white snow In such a case, a light meter may provide exposure settings that would underexpose the subject, and the photographer needs to "compensate" for proper exposure )
The ability to increase or decrease the exposure set by the camera's automatic system
TOP Modifying the shutter speed and/or lens aperture recommended by the camera's light meter in order to produce special creative effects or to meet special requirements