Canon PowerShot A 640 User Manual page 88

50
Shooting with the AF Lock
* Cannot be operated in
f!!iID
and
~
modes.
Turn on the LCD monitor.
Aim the camera so that an object at the
same focal distance as the main subject is
centered in the AF frame.
Press and hold the shutter button and press
the
MF
button.
• The
[ME]
icon and the MF indicator will appear on the LCD
monitor.
Re-aim the camera to compose the shot as
desired and shoot.
To Release the AF Lock
Press the
MF
button .
•
monitor, setting [AF Frame] to [Center] (p. 47) makes
shooting easier since the camera focuses using the center
AF frame only.
The AF frame will not appear in
.~
mode.
• The AF lock is convenient because you can let go of the
shutter button to compose the image. Moreover, the AF lock
is still effective after the picture is taken, allowing you to
capture a second image with the same focus.