Firmware Download for Lenses

10-18mm F2.8 DC DN | Contemporary

(Canon RF Mount)

Before Updating

Please ensure that the firmware of the camera body is updated to the latest version.
The update cannot be performed unless the lens is attached to an EOS R series camera.
Use a fully charged dedicated battery pack or dedicated AC adapter kit for the camera.
During the firmware update, be careful not to drop the battery or disconnect the AC adapter kit.
Do not turn off the camera during the firmware update.
Do not remove the lens or operate buttons, dials, switches, etc. while updating the firmware.
Firmware updates via EOS Utility are not supported.

Ver.1.0.1 2024.12.19

・The operational stability has been improved.
・AF operation during zooming when shooting video has been improved.

Download (713.7KB)

SG018101.zip

Update Procedure

STEP 01

Click the download button or press the right mouse button (right-click) to download.

Please check that the compressed file (SGxxx.zip or .dmg) has been saved to your specified location.

Please unzip the downloaded compressed file using the following method.

Right-click the downloaded compressed file (zip file) and select [Extract All] from the menu that appears to unzip it.

STEP 02

Please initialize the card using a camera.

Connect the initialized card to a computer via a card reader, etc., and copy the firmware modification file (SGxxx.afu) that you created by extracting the downloaded compressed file to the root directory of the card (the top layer of the file structure). (The destination is not a subfolder of “DCIM”).

STEP 03

Insert the card, containing the firmware, into the camera, attach the lens to the camera, turn it on and set the shooting mode to either P/TV/AV/M.

STEP 04

Press the on the back of the camera to display the menu. Then, select "Firmware Ver. X.X.X" from the [Function Settings Menu] and press the button.

^{*The way to operate the camera and display the menu varies depending on the camera, so please check the camera's user manual.}

STEP 05

The firmware versions of the camera and lens will be displayed, so select “Lens Ver. X.X.X.” and press the button.

^{* If the displayed ‘Lens Ver. X.X.X.’ is the latest version, there is no need to update the firmware.}

STEP 06

The lens firmware update screen will be displayed, so select ‘OK’ and press the button.

^{*If “Firmware Ver. X.X.X” does not appear on the screen, the firmware may not have been copied correctly to the card. Please start again from STEP 01.}

STEP 07

The file name of the firmware to be updated will be displayed, so please press the button.

^{*If the file name of the firmware to be updated does not appear, the firmware may not have been copied correctly to the card. Please start again from STEP 01.}

Press the button to display the progress bar and start the firmware update.

^{* Do not turn off the camera or press any buttons while the update is in progress. This may cause the lens to malfunction.
* If an error occurs during the firmware update, remove the battery and stop the operation. Check the battery charge level and the firmware on the card, and if there are no problems, start again.}

STEP 08

STEP 09

Check the update completion screen, select “OK”, and press the button.

STEP 10

Turn the camera off, remove the battery for at least 2 seconds, and then turn the camera back on.

STEP 11

Turn the camera on and set the shooting mode to “P/TV/AV/M”.

STEP 12

Press the button to display the menu. Select "Firmware Ver. X.X.X" from the [Function Settings Menu] and press the button to check that the [Lens Ver. X.X.X] is the latest version.