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Shutter Priority vs. Aperture Priority Having now read how to control the camera for shutter priority and aperture priority AE photography, you might well wonder when it is best to use which mode. Basically, it depends upon what you want your photograph to portray.
Shutter speeds are most effectively used to freeze or emphasize movement. The shutter priority AE mode is applicable to most photographic situations.
Aperture priority is most applicable to still photography such as portraiture and landscape photography in which depth of field is an important factor. Some of the best creative commercial and architectural photographs are taken in the aperture priority AE mode. This, however, does not apply to such fields of photography as
DOWN AE.
Selecting a Shutter Speed
The table below can be used as a general guide in selecting an appropriate shutter speed according to lighting conditions when using a standard 50mm lens and 100 ASA film.
| Brightness |
| Shutter Speed |
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| (Seconds) |
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| Indoors |
| 1/30 to 1/60 |
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Outdoors | 1/125 to 1/250 |
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| 1/500 to 1/1000 |
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