Canon RF-S 10-18mm F4.5-6.3 IS STM Instructions Manual page 10

Focusing/Control ring
Use as a Control Ring
Set the control ring function using the camera's
menu. The control ring can be assigned the
functions that are commonly used with cameras,
such as shutter speed and aperture settings.
Please refer to the camera's instructions for
details on how to use the control ring.
The lens does not have a focus mode switch or
z
a focusing/control selector switch.
Delayed focus may occur if the focusing ring
z
(focusing/control ring) is quickly turned.
The lens' focusing ring (focusing/control ring) is
z
electronic.
It is possible to set cameras that support
z
electronic fulltime manual focusing to manual
focusing when the camera is in the operational
mode. However, the camera settings need to be
changed.
When AF operation is set to One-Shot AF,
z
manual focus is possible after autofocusing
has been completed by continuing to press the
shutter button halfway (electronic manual focus
function). However, the camera settings need to
be changed.
When movie recording, the AF speed will be
z
slower than the still photo shooting mode. It is
possible to adjust the AF speed on the camera
by setting Movie Servo AF to [Enable].
Please refer to the camera's instructions for
details.
ENG-9