Canon AE-1 - Manual (Page 28)

Operation for General Photography
The AE*1 is an Automatic Exposure
camera with a shutter speed priority system
«vhich electronically controls the aperture
for the {jivert shutter speed to ensure the
optimum exposure. Canon's shutter speed
priority system has been used in dtis camera
in the idea that a photograph is an instant
snatched from elapsing time.
The shutter speed priority system is ideal
for catching fast-moving subjects, especially at
the decisive moment.
Furthermore, the shutter speed prioritY
system allows you to control image blur at
will and to emphasi
2 e the movement gf the
subject. For action or other such situations,
you can realise all photographic aspirations.
23