Canon A3400 IS 6187B011 User Manual (en)

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Shooting Range and Focusing
101
As long as you keep the shutter button pressed halfway, the focus and 
exposure are locked. You can recompose shots as needed before shooting. 
This feature is called Focus Lock.
Focus.
z
Aim the camera so that the subject is 
centered, and then press the shutter button 
halfway.
z
Confirm that the AF frame displayed around 
the subject is green.
Recompose the shot.
z
Keeping the shutter button pressed halfway, 
move the camera to recompose the shot.
Shoot.
z
Press the shutter button all the way down.
Shoot after choosing a subject to focus on as follows.
Choose [Tracking AF].
z
Follow the steps in “Changing the AF Frame 
Mode” (p. 99) 
to choose [Tracking AF].
X
 is displayed in the center of the screen.
Recomposing Shots While the Focus is Locked
Still Images
Choosing Subjects to Focus On (Tracking AF)
A4000 IS A2400 IS
A2300
A1300
A810
Still Images