Manual Focus (Mf) - Canon RF 400mm f/2.8 L IS USM Instructions Manual

8. Manual Focus (MF)

When shooting images using manual focus (MF), you can select the manual focus speed.
Use the manual focus speed switch to select a manual focus speed.
Speed is fastest at 1, with 2 and 3 being progressively slower.
Speed 3 is recommended for fine focusing.
O O
When RF lens MF focus ring sensitivity in the camera settings is set to [Varies with rotation speed],
O O
switching with the manual focus speed switch is disabled.
To enable switching with the manual focus speed switch, set RF lens MF focus ring sensitivity to
O
[Linked to rotation degree].
Please refer to the camera's instructions for details.
O
Manual focus speed
switch
ENG-15