Canon Powershot A40 User Manual page 76

Focus Lock Method 2
1
Press the DISPLAY button to turn on the
LCD monitor.
2
Aim the camera so that a subject at the
same distance as the main subject is
centered in the selected AF frame.
3
Press and hold the shutter button halfway
to lock focus, and wait until the camera
beeps twice. Without releasing your finger,
press the
appears in the LCD monitor.
4
Recompose the image and press the
shutter button all the way to shoot the
image.
Cancelling Focus Lock
¡To cancel focus lock, press the
DISPLAY button or the zoom button.
¡Focus lock can also be cancelled by changing the
position of the mode dial.
¡Method 2 is convenient because you can let go of the
shutter button to recompose the image. Also, the focus
remains locked after shooting, allowing you to shoot
again right away with the same focus.
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