Focus Preset Button; Focus Preset Switch - Canon EF 400mm f/2.8L IS USM Instructions Manual

5. Focus Preset
By presetting any focusing distance, you can instantly focus at that point even while you are
shooting a different subject. This function operates in both the AF and MF modes.
< How to Set >
1
STABILIZER
MODE
FOCUS PRESET
SET
Set the focus preset switch
to or .
2
Press the shutter button
halfway to focus the
distance you want to preset.
1 2
STABILIZER
MODE
FOCUS PRESET
SET
Press the focus preset
button.
●
The focused distance will be
preset.
●
If the focus preset switch was
set to , the beeper will
sound once.
ENG-7