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To choose the exposure mode, press the I
button and rotate the main command dial
until the desired mode is displayed in the
control panel or viewfinder.
A Depth-of-Field Preview
To preview the effects of aperture, press and
hold the depth-of-field preview button.
The
lens will be stopped down to the aperture value
selected by the camera (modes e and f) or the
value chosen by the user (modes g and h),
allowing depth of field to be previewed in the
viewfinder.
A Custom Setting e4—Modeling Flash
This setting controls whether the built-in flash and optional flash units
that support the Creative Lighting System (CLS; see page 348) will emit
a modeling flash when the depth-of-field preview button is pressed.
See page 289 for more information.
A See Also
See page 98 for information on auto ISO sensitivity control.
For
information on using the Long exp.
NR option in the shooting menu
for reducing noise at slow shutter speeds, see page 258.
For
information on choosing the size of the increments available for shutter
speed and aperture, see Custom Setting b2 (EV steps for exposure
cntrl., 0 270).
For information on changing the roles of the main and
sub-command dials, see Custom Setting f8 (Customize command
dials > Change main/sub, 0 297).
I button
Main command
dial
Preview button