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90
ADVANCED PHOTOGRAPHY—EXPOSURE MODE
Exposure Mode (continued)
Manual
In manual exposure, the user controls both aperture and shutter speed. The shutter
can be held open indefinitely for a long time-exposure (bulb) or shutter speed set to
a fixed value between thirty and 1/16,000 seconds. Aperture can be set to values
between the minimum and maximum for the lens. Using the electronic analog expo-
sure display in the viewfinder or the control panel on top of the camera as your
guide, you can adjust exposure to suit shooting conditions and the task at hand.
To take photographs in manual exposure mode:
1
Pressing the MODE button, rotate the main command
dial until
is displayed in the control panel on top of
the camera.
Lens Aperture Ring
If the lens aper ture ring has not been set to the minimum aperture, the viewfinder and control
panel on top of the camera will show a blinking , and the shutter release will be disabled.
This does not apply in the case of type G lenses, which do not have an aper ture ring.
Non-CPU Lenses
If aperture-priority auto is selected when a non-CPU lens is attached, the aper ture display in
the viewfinder and the control panel on top of the camera will show to indicate that
aperture must be set manually using the lens aperture ring.
Long Time-Exposures
At a shutter-speed setting of , the shutter will remain open as long as the shutter-
release button is held down. Note that if the shutter is open for more than approximately one
second at any setting, noise may appear in the final photograph.
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