3Custom Function SettingsN

C.Fn III -6 AF during Live View shooting

0:Disable

1:Enable

During Live View shooting, you can interrupt the Live View image display and focus for as long as you hold down the <p> button.

C.Fn III -7 Mirror lockup

Prevents camera vibrations caused by the reflex mirror action which can disturb shooting with super telephoto lenses or close-up shooting. See page 98 for the mirror lockup procedure.

0:Disable

1:Enable

C.Fn IV: Operation/OthersC.Fn IV -1 Shutter button/AF-ON button

0:Metering + AF start

1:Metering + AF start/AF stop

During autofocusing, you can press the <p> button to stop the autofocusing.

2:Metering start/Metering + AF start

This is useful for subjects which keep moving and stopping repeatedly. In the AI Servo AF mode, you can press the <p> button to repeatedly start or stop the AI Servo AF operation. The exposure is set at the moment the picture is taken. Thus, the optimum focusing and exposure will always be achieved as you wait for the decisive moment.

3:AE lock/Metering + AF start

Convenient when you want to focus and meter at different parts of the picture. Press the <p> button to meter and autofocus, and press the shutter button halfway to attain AE lock.

4:Metering + AF start / disable

The <p> button will not function.

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