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AE functions is also possible.

Shutter priority AE is especially useful in action photography, aperture priority AE in still photography. The programmed AE mode, in which the camera controls both aperture and shutter speed for correct exposure, is good for general use and is the easiest mode for beginners. These three AE modes along with exclusive flash AE, are performed with an FD lens set at “A” for all the benefits of full aperture metering. Stopped-down AE, in which the shutter speed is automatically set, allows automatic exposure with non-FD lenses and accessories and is a big advantage in close-ups and photo- micrography. And since all AE inputs have been consolidated into the AE mode selector and the AT dial, the operation of only these two controls suffices to set the camera for any one of the five AE modes.

For complete control for exposure correction or special effects, manual operation is a simple matter of moving the FD lens aperture ring from the “A” mark while the shutter speed is set on the AT dial. The A-1 will even provide you with an exposure readout as a basis for your exposure adjustment.

Exposure Compensation

Along with the wide selection of AE modes,

the A-1 has two controls for wide-range exposure compensation. These are the exposure compensation dial for stepped exposure correction between ±2 f/stops and an exposure memory switch for temporary correction. For special techniques such as low- and high-key shots, contre-jour photo- graphy, multiple exposures and flash photo- graphy, you pros will find quick response in the A-1. Even in AE, you have complete control over the image results.

Field-of-view-only Viewfinder

This viewfinder is one of the A-1's most unusual features. In the classic sense of the word, this bright viewfinder shows only the field of view for easiest focusing and com- posing.

Using any one of three ways to take an exposure preview, you will activate a compact LED digital readout which clearly conveys shutter speed, aperture, flash and manual operation signals, a bulb indication, improper exposure warnings and a malfunction warning. The viewfinder readout is below and out of the way of the field of view, and the LED's are clearly legible with no need for extra illumination even in very bad light.

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