C.fn Iv: Operation/Others - Canon EOS-1DS Mark III Instruction Manual

Custom Function Settings
C,Fn iV: Operation/Others
0: Metering + AF start
1 : Metering + AF startlAF stop
During autofocusing, you can press the <
AF-ON
> button to stop the autofocusing.
2: Metering start'Meter + AF start
This is useful for subjects which keep moving and stopping repeatedly.
In the AI Servo AF mode, you can press the < AF-ON> 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 IocktMetering + AF start
Convenient when you want to focus and meter at different parts of the
picture. Press the <
AF°ON>
button to meter and autofocus, and press
the shutter button halfway to attain AE lock.
4: Metering + AF start ! disable
The < A}:_ON> button will not function.
0: Disabme
1: Enable
The functions of the
<AF°ON>
and <%/Q> buttons will be switched
with each other's function.
The Quick Control Dial's function while the metering is active can be changed.
0: Exposure compensationtAperture
1: AF point selection
You can select the AF point directly with the <O> dial without first pressing
the <E_> button. While metering is active, turning the <O> dial wilt select a
horizontal AF point. Automatic selection cannot be selected. However, if
C.Fn Ill =11=2 has also been set, automatic selection can be seiected.
Press the <_> button and turn the <_/O> dial to set the aperture for
exposure compensation or manual exposure.
2: ISO speed
While metering is active, you can turn the < O > dial to change the iSO speed in real-time.
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