Canon 5251B001, SX40 HS manual 91

Shooting with the AF Lock

The focus can be locked. After locking the focus, the focal distance will not change even when you release your finger from the shutter button.

Lock the focus.

z Keep the shutter button pressed halfway and press the qbutton.

XThe focus locks, and and the MF indicator appear on the screen.

zAfter you release your finger from the shutter button, press the qbutton again, then press the qrbuttons or turn the 5 dial to choose . The focus will unlock.

Compose the scene and shoot.

Shooting with Servo AF

While the shutter button is pressed halfway, the focus and exposure will continue to adjust, allowing you to take pictures of moving subjects without missing a shot.

hoose [Servo AF].

zPress the nbutton to choose [Servo AF] in the 4tab, then press the qr buttons to choose [On].

Focus.

zThe focus and exposure will be maintained where the blue AF frame appears while you press the shutter button halfway.

• The camera may not be able to focus in some conditions.

• In low light conditions, AF frames may not turn blue even after pressing the shutter button halfway. In this case, you can set the focus and exposure with the AF frame setting.

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