Control Ring - Canon RF 10-20mm F4 L IS STM Instructions Manual

3. Zooming
To zoom, turn the lens' zoom ring.
Be sure to finish zooming before focusing.
z
Zooming after focusing can affect the focus.
Blurring may temporarily occur if the zoom ring is
z
quickly turned.

4. Control Ring

The control ring can be assigned the functions
that are commonly used with cameras, such as
shutter speed and aperture settings.
The click action of the control ring allows you to
have a sense of how much it is being turned.
Please refer to the camera's instructions for
details on how to use the control ring.
There are cases in which the sound of control
z
ring operations may be recorded when shooting
movies.
The clicking sensation of the control ring can
z
be removed by the Canon Service Center.
(chargeable)
Control ring
ENG-8