Canon EOS 5D 179, Fn III -3 AF point selection method, Fn III -4 Superimposed display

3Custom Function SettingsN

C.Fn III -3 AF point selection method

0:Normal

Press the <S> button, then use <9> or <6/5> dial to select an AF point.

1:Multi-controller direct

Without pressing the <S> button first, you can just use the <9> to select the desired AF point. Pressing the <S> button will set it to automatic AF point selection.

2:Quick Control Dial direct

Without pressing the <S> button first, you can just use the <5> to select the desired AF point. By holding down the <S> button and turning the <6> dial, you can set the exposure compensation.

C.Fn III -4 Superimposed display

0:On

1:Off

When focus is achieved, the AF point will not flash in red in the viewfinder. Recommended when it is bothersome to see it light up. The AF point will still light when you select it.

C.Fn III -5 AF-assist beam firing

Enables or disables the EOS-dedicated Speedlite’s AF-assist beam.

0:Enable

1:Disable

The AF-assist beam is not emitted.

If the external, EOS-dedicated Speedlite’s [AF-assist beam firing] Custom Function is set to [Disabled], the Speedlite will not emit the AF-assist beam even if the camera’s C.Fn III -5-0 is set.

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