Nikon D300 User Manual (en)

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51
s
Focus and Shoot
1
Press the shutter-
release button 
halfway to focus 
(pg. 52).
At default settings, the 
camera will focus on the 
subject in the center 
focus point.
 Frame a 
photo in the viewfinder 
with the main subject positioned in the center focus point and 
press the shutter-release button halfway. If the camera is able 
to focus, a beep will sound and the in-focus indicator (
I) will 
appear in the viewfinder. If the subject is dark, the AF-assist 
illuminator may light automatically to assist the focus 
operation.
While the shutter-release button is pressed halfway, 
focus will lock and the number of exposures that 
can be stored in the memory buffer (“
t”; pg. 77) will 
be shown in the viewfinder display.
For information on what to do if the camera is unable to focus 
using autofocus, see “Getting Good Results with Autofocus” 
(pg. 70).
Viewfinder display
Description
I
Subject in focus.
I
(blinks)
Camera unable to focus on subject in focus 
point using autofocus.
Focus 
indicator
Buffer 
capacity