Canon PowerShot SX40 HS PowerShot SX40 HS Camera User Guide - Page 86

Changing the AF Frame Mode You can change the AF (Auto Focus) frame mode to match the scene you want to shoot. Choose [AF Frame]. z Press the n button to choose [AF Frame] in the 4 tab, then press the qr buttons to choose an option. FlexiZone/Center A single AF frame will be used. This is effective for focusing on a specific point. In [FlexiZone], you can change the position and size of the AF frame (p. 88). If the camera cannot focus when you press the shutter button halfway, the AF frame will turn yellow and will appear. Changing the Composition with the Focus Lock While you keep the shutter button pressed halfway, the focus and exposure are locked. You can now recompose and shoot. This is called Focus Lock. Focus. z Center the subject you want in focus, and press the shutter button halfway. z Confirm that the AF frame on the subject is green. Recompose. z Keep the shutter button pressed halfway and move the camera to recompose the scene. Shoot. z Press the shutter button fully. 86