Nikon D90 - Manual (Page 58)

38
s
Step 5: Focus
1
Press the shutter-release button halfway.
Press the shutter-release button halfway to focus. The camera will
select the focus points automatically. If the subject is poorly lit, the
flash may pop up and the AF-assist illuminator may light.
2
Check the indicators in the viewfinder.
When the focus operation is complete, the
selected focus points will be briefly highlighted, a
beep will sound, and the in-focus indicator (
J) will
appear in the viewfinder. If the camera chooses
single-servo autofocus (pg. 54), focus will lock
while the shutter-release button is pressed
halfway.
While the shutter-release button is pressed halfway, the
number of exposures that can be stored in the memory
buffer (“
t”; pg. 65) will be displayed in the viewfinder.
A The Shutter-Release Button
The camera has a two-stage shutter-release button. The camera focuses when the shutter-
release button is pressed halfway. To take the photograph, press the shutter-release button
the rest of the way down.
In-focus indicator Description
J Subject in focus.
J (blinks)
Camera unable to focus using
autofocus. See page
55 .
In-focus
indicator
Buffer
capacity