Chapter   | 14 |

Digital cameras and scanners

Elizabeth Allen and Efthimia Bilissi

All images © Elizabeth Allen and Efthimia Bilissi unless indicated.


As we have seen in earlier chapters, conventional silver halide photographic systems produce images by the recording of a light intensity function as a latent image, which is a light-induced chemical change in the silver halide emulsion. The image is rendered visible and permanently stored as a result of film development and fixation; therefore, the image sensor in silver halide camera systems is also the storage medium. Each image requires a separate image sensor (film frame) and the characteristics of the imaging material may be changed from frame to frame by changing ...

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