The term ‘exposure’ refers to exposing the sensor or film to light in order to take a photograph. In addition, a photograph is referred to as an ‘exposure’ for this reason. When you take a photograph, how much light the light-sensitive part of the camera is exposed to is determined by the aperture and shutter speed settings, as explained above. Darker conditions will require an exposure with a lager aperture setting, a slower shutter speed, or both. The term ‘correct exposure’ refers to the approximation of what could be seen by the photographer’s naked eye at the time of the photograph, however this is truly a matter of taste. It is possible however, to take a photo in the dark of night at a shutter speed so long that the photo appears to have been taken in the daytime.

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