Custom Function Settings - Canon EOS REBEL T1 i/EOS 500D Instruction Manual

m3IDl
Custom Function Settings
1:l
~"'JlmT.'iHI~ _ _
I_·"I:_".iU••
IIIIIl_
C.Fn III: Autofocus/Drive
C.Fn-8 AF-assist beam firing
The AF-assist beam can be emitted by the camera's built-in flash or by the
external, EOS-dedicated Speedlite.
0: Enable
1: Disable
The AF-assist beam is not emitted.
2: Only external flash emits
If an external, EOS-dedicated Speedlite is attached, it will emit the AF-
assist beam when necessary. The camera's built-in flash will not fire the
AF-assist beam.
[iI
If the external, EOS-dedicated Speedlite's [AF-assist beam firing} Custom
Function is set to [Disabled}, the Speed lite will not emit the AF-assist beam
even
if
the camera's C.Fn-8-0/2 is set.
C.Fn-9 Mirror lockup
0: Disable
1: Enable
Prevents camera vibrations caused by the reflex mirror action which can
disturb shooting with super telephoto lenses or close-up (macro)
shooting. See page 104 for the mirror lockup procedure.
187
I