Exposure Compensation


            Exposure Compensation is a feature on a digital camera that allows you to adjust the shutter speed measured by its light meter. Usually, the range of adjustment goes from +2 to -2 EV in 1/3 steps.

            Lets say that you point the camera at you subject and the meter says you need 1/250 sec. shutter speed at aperture 5.

            If for whatever reason you select +1 exposure compensation, the shutter speed used by the camera will be 1/125 sec.

            If you use -1 exposure compensation, the shutter speed will be 1/500 sec.

            Every increment in compensation (+2 | +1 | -1 | -2) increases or decreases the amount of light going through the camera by a factor of 2.

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            Robert Pugh
            6th August 2012

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