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Pentax SFX 35mm single lens reflex camera, 1987-1988.
Detail of a special edition Pentax SFX single lens reflex (SLR) camera with a clear perspex body. The Pentax SFX is an auto-focus multi-programme, fully-automatic camera with a built-in flash. Since the 1980s electronics of increasing sophistication have been employed in cameras, enabling all aspects of their operation to become automated. This is particularly useful in action or pres photography where the photographer may not have time to manually focus or correctly set exposure. Sophisticated modern SLRs allow the photographer to choose from a variety of program modes enabling him to retain some manual control over certain aspects of the picture-taking proces rather than leaving it all up to the camera.