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Reference—Exposure
Non-CPU Lenses
Exposure mode A (aperture-priority auto) is automatically selected when a non-CPU lens
is attached. The exposure mode indicator (S) will blink in the control panel and A will be
displayed in the viewfi nder.
Changing from Mode M to Mode S
If you select a shutter speed of in mode M and then select mode S without changing
the shutter speed, the shutter-speed display will fl ash and the shutter can not be released.
Rotate the main command dial to select a diff erent shutter speed before shooting.
Exposure Warning
If the camera is unable to produce the correct exposure at the selected shutter speed,
the electronic analog exposure display ( 69) in the viewfi nder will show the amount of
un der- or over-exposure and one of the fol low ing in di ca tors will be dis played in the con trol
panel and viewfi nder aperture displays:
Indicator Description
Subject too bright. Choose faster shutter speed or lower ISO sensitivity ( 33), or use optional
Neutral Density (ND) fi lter.
Subject too dark. Choose slower shutter speed or higher ISO sensitivity ( 33), or use fl ash.
Long Exp. NR ( 131)
To reduce noise at slow shutter speeds, select On for the Long Exp. NR option in the
shooting menu. Check that the battery is fully charged before making long time expo-
sures.
b3—EV Step ( 154)
This option controls whether changes to shutter speed and aperture are made in in cre -
ments equiv a lent to / EV (the default setting), / EV, or 1 EV.
f5—Command Dials >Change Main / Sub ( 170)
This option can be used to reverse the roles of the command dials so that the sub-com-
mand dial controls shutter speed, while the main command dial controls aperture.