P, S, A, And M Modes - Nikon D80 Manual

P, S, A, and M Modes

P, S, A, and M modes off er control over a variety of advanced settings, including exposure (
52), white balance, and image optimization. Each of these modes off ers a diff erent degree
of control over shutter speed and aperture:
Mode
Programmed auto
P
( 47)
Shutter-priority auto
S
( 48)
Aperture-priority auto
A
( 49)
M Manual ( 50)
Lens Aperture Ring
When using a CPU lens equipped with an aperture ring (
ture (highest f/-number). Type G lenses are not equipped with an aperture ring.
Non-CPU lenses can only be used in exposure mode M, when aperture can be adjusted manually using
the lens aperture ring (in other modes, the shutter-release will be disabled). The camera exposure me-
ter, ISO Auto, and variety of other features can not be used (
Custom Settings
Use Custom Setting 7 (ISO auto;
Custom Setting 10 (EV step;
Custom Setting 15 (Command Dials;
mand dials in setting shutter speed and aperture.
Description
Camera sets shutter speed and aperture for optimal exposure. Recom-
mended for snapshots and in other situations in which there is little
time to adjust camera settings.
User chooses shutter speed; camera selects aperture for best results.
Use to freeze or blur motion.
User chooses aperture; camera selects shutter speed for best results.
Use to blur background or bring both foreground and background into
focus.
User controls both shutter speed and aperture. Set shutter speed to
"bulb" or "--" for long time-exposures.
117), lock the aperture ring at the minimum aper-
88) to enable auto ISO sensitivity control in P, S, A, and M modes.
89) determines the size of the increments used for exposure control.
91) determines the roles played by the main and sub-com-
117).
Reference: P, S, A, and M Modes 45