Nikon D300 User Manual page 143

Exposure compensation can be set to values between -5 EV
(underexposure) and +5 EV (overexposure) in increments of
1/3
EV.
In general, choose positive values to make the subject brighter,
negative values to make it darker.
-1 EV
No exposure
compensation
+1 EV
At values other than +0, the 0 at the center of the electronic
analog exposure displays will flash and a
~
icon will be displayed
in the control panel and viewfinder after you release the IB button.
The current value for exposure compensation can be confirmed in
I~I
the electronic analog exposure display by pressing the IB button.
Normal exposure can be restored by setting exposure
compensation to +0. Exposure compensation is not reset when
the camera is turned off.
B
See Also
For information on choosing the size of the increments available for
exposure compensation, see Custom Setting b3 ([Exp comp/fine tune],
pg.275). For information on making adjustments to exposure
compensation without pressing the
~
button, see Custom Setting b4
([Easy exposure compensation], pg. 276).
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