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More on Photography
Controlling Exposure
In (auto) and (scene) modes, the camera automatically adjusts shutter
speed and aperture to produce optimal exposure. In P, S, A, and M modes,
shutter speed and aperture can be adjusted to suit the user’s creative intent.
Mode How it works When to use it
Best choice in most situations.
High shutter speeds freeze ac-
tion. Low shutter speeds sug-
gest movement by blurring mov-
ing objects.
Large apertures (small f/-num-
bers) soften background details
and let more light into camera,
increasing range of fl ash. Small
apertures (large f/-numbers) in-
crease depth of fi eld, bringing
main subject and background
into focus.
Use when you want complete
control over exposure.
User controls both shutter speed
and aperture.
M
Manual
User chooses aperture; camera
sets shutter-speed for best re-
sults.
A
Aperture-priority
auto
User chooses shutter speed;
camera sets aperture for best
results.
S
Shutter-priority
auto
Camera sets shutter speed and
aperture for best exposure. Flex-
ible program can be used to se-
lect additional combinations of
shutter speed and aperture that
will produce the same exposure.
P
Programmed
auto