Changing The Composition To Shoot (Focus Lock) - Canon Digital IXUS 870IS User Manual

Changing the Composition to Shoot (Focus Lock)

While you press the shutter button halfway, the focus and exposure are
fixed. You can now recompose and shoot. This is called Focus Lock.
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Focus.
●
Center the subject you want to shoot, and
press the shutter button halfway.
●
Confirm that the AF Frame on the subject
is green.
Recompose.
●
Hold the shutter button pressed halfway
and recompose the scene.
Shoot.
●
Press the shutter button fully.