Firmware download


  • ・It introduces compatibility with the “focus ring control” function of the camera, allowing either “linear” or “non-linear” focus movement to be selected when using MF.
  • * SIGMA fp L , SIGMA fp, Panasonic Lumix S1, Lumix S1R, Lumix S1H, Lumix S5, Lumix BS1H, Leica SL2, SL2-S are supported.
  • * SIGMA fp L will be supported by updating to firmware Ver.2.00 scheduled to be released in the near future, and SIGMA fp will be supported by updating to firmware which is scheduled to be released in April.
  • * For more information on linear and non-linear focusing, please refer to our frequently asked questions.
  • ・It improves the phenomenon of an occasional, slightly increased shutter lag during AF shooting when used in combination with the Leica SL2.

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Update Procedure

How to check the firmware version of the lens

Turn on the camera after attaching the lens.
Press the MENU button on the back side of the camera body and open the setup menu.

Select “Firmware Update” from the setup menu.

After the OK button is pressed, “Camera” and “Lens” shows up. Please select “Lens”.

The firmware version that is installed in the lens will show up.
If the firmware version is “Ver.1.1” or older, it is necessary to download the new version and update.

Firmware Update


Prepare SD/SDHC/SDXC card and format in camera.
Note: Please make sure that important data is not inside your SD/SDHC/SDXC card before format.


For Windows
(It appears differently depending on OS version.)

For Macintosh
(It appears differently depending on OS version.)

Connect the SD/SDHC/SDXC card to the computer via card reader etc. and copy the downloaded file to the root directory (the top layer of the file structure) of the SD/SDHC/SDXC card. (The copy destination is not in the “DCIM” subfolder)


Insert the SD/SDHC/SDXC card with the firmware to the camera and turn on the power.


Press the MENU button on the back side of the camera body and open the setup menu.


Select “Update Firmware” and select “OK”.


After selecting the OK button, “Camera” and “Lens” appears on the display. Please select “Lens”.


The message “Start firmware update?” will appear on the display.

In case the message does not appear
In case the message “Start firmware update?” does not appear on the display, please check the following notes.

The firmware update file is not installed in the card, or not in the appropriate directory.

The update file may not be in the card or the firmware may not be in the specified directory. Please repeat STEP 01.

The correct firmware is not installed.

If the card contains a firmware version older than the lens, it cannot be updated. Put the correct version of firmware into the card and start over from STEP 02.

There is not enough battery.

Use a fully charged battery or an AC adapter and start over from STEP 02.


Select “Yes” to start the firmware update. Shortly the update will start.


If the message “Firmware update has failed” is displayed during the firmware update, please contact our customer support.


When “Firmware update is complete. It will restart automatically” is displayed, the update is complete.
*Do not operate the camera until the update completion message appears.


Check the “Information” version in the setup menu and confirm the lens version is updated to Ver.1.2

Update History


  • It has improved the AF accuracy when it is used with the SIGMA fp L.