Nikon D4S Manuale Utente

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Flash Compensation
Flash compensation is used to alter flash output by from –3 EV to 
+1 EV in increments of 
1
/
3
EV, changing the brightness of the main 
subject relative to the background. Flash output can be increased 
to make the main subject appear brighter, or reduced to prevent 
unwanted highlights or reflections. In general, choose positive 
values to make the main subject brighter, negative values to make 
it darker.
To choose a value for flash 
compensation, press the 
M button 
and rotate the sub-command dial 
until the desired value is displayed 
in the top control panel.
±0 EV 
(
M button pressed)
–0.3 EV
+1.0 EV
M button
Sub-command
dial