Canon A650 IS - Manual (Page 103)

Various Shooting Methods 101
See Functions Available in Each Shooting Mode (p. 207) .
You can set the exposure and focus separately. This is effective when
the contrast is too strong between the subject and background or when
a subject is backlit.
To Release the AE Lock
Operate a button other than the or button.
Locking the Exposure Setting (AE Lock)
Shooting Mode
1
Press the button and select .
2
Aim the camera at the subject on which you
wish to lock the exposure.
3
Press the shutter button halfway and press the
button.
• The exposure setting will lock and will display.
4
Re-aim the camera to compose the shot as
desired and press the shutter button fully.
You can use the FE lock when using the flash (p. 103) .