3
Custom Function Settings
N
426
C.Fn III -3 Retract lens on power off
This is to set the lens retraction mechanism for when a gear-driven
STM lens (such as EF40mm f/2.8 STM) is attached to the camera. You
can set it to retract the extended lens automatically when the camera’s
power switch is set to <
2
>.
0: Enable
1: Disable
C.Fn III -4 Custom Controls
You can assign often-used functions to camera buttons or dials
according to your preferences. For details, see page 433.
With auto power off, the lens will not retract regardless of the setting.
Before detaching the lens, make sure that it is retracted.
With setting [0: Enable], this function takes effect regardless of the lens’s
focus mode switch setting (AF or MF).
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