Canon PowerShot A4000 IS - Manual (Page 95)

Shooting Range and Focusing
95
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. 93) 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
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