Reference Guide (PDF Edition)

8
Parts of the Lens: Names and Functions
5
Lens mounting mark
U
se when mounting the lens on the camera.
0
“Attachment and Removal” (p.11)
6
Rubber lens-mount gasket
Helps pr
event the ingress of water droplets or dust along the surfaces where
the lens and camera meet when the lens is mounted on the camera.*
* There is no guarantee that the gasket is completely proof against the ingress
of water droplets or dust in all circumstances.
7
CPU contacts
Used to transfer data to and from the camera.
8
L-Fn button
Press to perform a function assigned using the camera. For more information,
see the description of [Custom control assignment], [Custom controls], or
[Custom controls (shooting)] in the documentation provided with the camera.
9
Focus-mode switch
Choose a focus mode.
･ A: Autofocus
･ M: Manual focus
Note that regardless of the setting chosen, focus must be adjusted manually
when manual focus mode is selected using camera controls.