Canon MARK II EOS 5D - Page 106

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3 Setting the FlashN
1
Select [Flash C.Fn settings].
Turn the <5> dial to select [Flash
C.Fn settings], then press <0>.
2
Set the flash function settings.
Turn the <5> dial to select the
function number, then set the
function. The procedure is the same
as setting the camera’s Custom
Functions (p.172).
In step 1, select [Clear all Speedlite C.Fn’s] to clear all the Speedlite’s
Custom Function settings (except [C.Fn-0: Distance indicator
display]).
Flash C.Fn Settings
About E-TTL II
For normal flash exposures, set it to [Evaluative].
If [Average] is set, the flash exposure will be averaged for the entire
metered scene as with an external metering flash. Flash exposure
compensation may be necessary depending on the scene, so this setting is
for advanced users.
Canceling Speedlite Custom Function Settings
If you use an EX-series Speedlite and the Speedlite Custom Function’s
[Flash metering mode] is set to [TTL (autoflash)], the flash will always be
fired at full output.