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P, S, A, and M Modes
P, S, A, and M modes offer different degrees of
control over shutter speed and aperture:
Shutter Speed and Aperture
Mode Description
P
Programmed auto
(0 53)
Camera sets shutter speed and aperture for
optimal exposure.
Recommended for
snapshots and in other situations in which
there is little time to adjust camera settings.
S
Shutter-priority auto
(0 54)
User chooses shutter speed; camera selects
aperture for best results.
Use to freeze or blur
motion.
A
Aperture-priority
auto (0 55)
User chooses aperture; camera selects shutter
speed for best results.
Use to blur background
or bring both foreground and background
into focus.
M
Manual (0 56)
User controls both shutter speed and
aperture. Set shutter speed to “Bulb” or “Time”
for long time-exposures (0 58).