3Custom Function SettingsN

C.Fn IV: Operation/Others

C.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 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.

C.Fn IV -2 AF- N/AE lock button switch

0:Disable

1:Enable

The functions of the <p> and <A/y> buttons will be switched with each other’s function.

When set to 1, press the <p> button to display the image index or to reduce the image display.

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