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Learning to Photograph - Volume 1 by Georg Banek, Cora Banek

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05

Exposure Control

Images

»Shutters and pupils are meant not to let information in but to shut it out. As anyone knows who has ever held a camera, too much information is easily as blinding as too little.« K. C. Cole, American science journalist

As soon as the light metering process concludes, the camera begins controlling the light sensitivity, aperture, and shutter speed. By adjusting these parameters, the camera can attempt to capture the ideal amount of light for the sensor from a continuous stream of light. This process is called exposure control. You can control it manually, or you can use your camera’s partially or fully automated programs.

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