Chapter | 12 |
Exposure and image control
The term exposure in photography describes the total quantity of light energy incident on a sensitive material, which in general terms is the photographic exposure. It may alternatively describe the process of controlling the light energy reaching a sensitive material in a camera, which is more specifically the camera exposure.
As described in Chapters 1, 8 and 11, two parameters are used to control photographic exposure: the amount of light incident on the imaging sensor and the duration of the sensor’s exposure. This is described ...