FujiFilm A400 - Manual (Page 30)

30
Taking Pictures (a AUTO Mode)
Taking pictures with the focus
and exposure locked
In the above composition, the subjects (two people in this
case) are not in the AF frame. Pressing the shutter button
halfway at this point will result in the subjects being out of
focus.
AF/AE lock is useful:
Use AF/AE lock to guarantee best result when shooting a
subject that is not suited to autofocusing (
➝p.31).
1
Move the camera slightly so that one of the
subjects is in the AF frame.
2
Press the shutter button down halfway to
focus on the subject.
N 12
Using AF/AE lock
N 12
Double
beep
Halfway
pressed