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A: Aperture-Priority Auto
In aperture-priority auto, you choose the aperture while the camera
automatically selects the shutter speed that will produce the optimal
exposure.
Large apertures (low f-numbers) increase flash range
(0 123) and reduce depth of field, blurring objects behind and in front
of the main subject.
Small apertures (high f-numbers) increase depth
of field, bringing out details in the background and foreground.
Short
field depths are generally used in portraits to blur background details, long field
depths in landscape photographs to bring the foreground and background into focus.
To choose an aperture between the minimum and
maximum values for the lens, rotate the sub-
command dial while the exposure meters are on.
Large aperture (f/5.6) Small aperture (f/22)
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 current aperture value, allowing
depth of field to be previewed in the viewfinder.
A Custom Setting e5—Modeling Flash
This setting controls whether the built-in flash and optional flash units such as the SB-910,
SB-900, SB-800, SB-700, and SB-600 (0 304) will emit a modeling flash when the depth-of-
field preview button is pressed.
See page 251 for more information.
Sub-command dial
Depth-of-field preview button