The aperture controls not only exposure, but also depth of field; the area
between the closest and the furthest object in focus. The larger the aperture
value, the greater the depth of field. The smaller the aperture value, the
shallower the depth of field. Usually landscape photographs use a large
depth of field (large aperture value) to keep the foreground and background
in focus, and portraits use a shallow depth of field (small aperture value) to
separate the subject from the background.
The shutter controls not only exposure, but also the ability to stop motion.
Fast shutter speeds are used in sport photography to stop action. Slow
shutter speeds can show the flow of motion. The use of a tripod is
recommended with slow shutter speeds.
The change in aperture and shutter speed is not apparent in the live image.
For critical work, take a test photograph and view it in Quick View.
The photographer selects the shutter speed and the camera sets the
appropriate aperture to ensure correct exposure. When shutter priority is
selected, the shutter speed on the monitor turns blue and a double arrow
indicator appears next to it. The shutter speed can be set between 1/1000
and 15 seconds. If the shutter speed is beyond the aperture range, the
aperture display will turn red. The flash mode can be set to fill-flash, fill-
flash with red-eye reduction, or slow sync. (p. 26).
Use the up/down keys of the controller (1) to
set the shutter speed. Press the shutter-
release button partway down to activate the
exposure system; the corresponding aperture
will be displayed on the monitor.
SHUTTER PRIORITY (S) EXPOSURE MODE
1
Shooting Tips
37
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