Firmware Download for Lenses

35mm F1.2 DG DN | Art

(L-Mount)

Before Updating

  • Please ensure that the firmware of the camera body is updated to the latest version.
  • Use a fully charged battery or connect the camera to the AC adapter.
  • Do not disconnect the battery or the AC adapter during the firmware update of the lens.
  • Ensure the power of the camera is always kept ON during the firmware update of the lens.
  • The lens needs to be attached to a camera to update the firmware.

The following procedure is to update the lens firmware via SIGMA fp. For firmware updates of Leica and Panasonic L-Mount cameras, please follow the instruction manual for each camera.

Ver.1.2 2020.11.19

The lens has become compatible with focus ring adjustment functionality.
Improved the quality of aperture operation and AF tracking in movie shooting.
It has improved AF performance when shooting a distant view.

Download (257.1KB)

S0040120.plf

Update Procedure

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

STEP 01

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.

STEP 02 For Windows

(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)

(It appears differently depending on OS version.)

(It appears differently depending on OS version.)

STEP 02 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)

(It appears differently depending on OS version.)

(It appears differently depending on OS version.)

STEP 03

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

STEP 04

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

STEP 05

Select “Update Firmware” and select “OK”.

STEP 06

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

STEP 07

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.

STEP 08

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

Error

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

STEP 09

「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.

STEP 10

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

Read More

Update History

Ver.1.1 2019.10.17

It has improved aperture operation during movie shooting when it is used in combination with the SIGMA fp.
It has optimized the communication of power consumption when used in combination with Leica CL and Leica SL cameras.

Firmware Download for Lenses

35mm F1.2 DG DN | Art

(Sony E-mount)

Before Updating

  • Please ensure that the firmware of the camera body is updated to the latest version.
  • Use a fully charged battery or connect the camera to the AC adapter
  • Do not disconnect the battery or the AC adapter during the firmware update of the lens
  • Ensure the power of the camera is always kept ON during the firmware update of the lens
  • Remove any memory card from the camera
  • The lens needs to be attached to a camera to update the firmware
  • OS other than Windows 10, Windows 11 are not supported. If you are unable to update, please contact your nearest authorized SIGMA subsidiary / distributor.

Ver.05 2024.08.22

・Compatibility with continuous shooting of up to approximately 120 frames per second has been added for the autofocus modes (AF-S/DMF/MF) on Sony α9 III cameras.

Download (4.3MB)

Update_SigmaA35F12V5.exe

Update Procedure

STEP 01 Operating the Software Program

Select the file “Update_SigmaA35F12V5.exe” that has been downloaded onto the computer and double-click it to operate the software program.

* Do not connect the camera to the PC at this moment.

STEP 02 Check the camera status

Turn on the camera and select “USB Connection” from the Menu. Then select “Mass Storage”.

* Some cameras do not require this process.
* Do not connect the camera to the PC in this process.

STEP 03 Connect the camera to the PC

1. Ensure the memory card is removed while the lens is attached to the camera. Then use the supplied USB Cable to connect the camera to the PC.

2. After connecting the camera to the PC properly, select the “Next” button in the “Lens System Software Updater” and the below message will appear on the display;

* The message “Follow computer instructions.” will appear on the camera display.

In the case of “The update is not available for your lens” message appears, check the Lens System Software Updater is compatible with the lens to update.
he message appears even when the software and the lens are appropriate, close the Lens System Software Updater and remove the cable and power OFF the camera.
Then, start over the update process from the STEP 01.

In case the message “Could not find a camera applicable for this update” appears, follow the instructions in the dialog to check the status.

STEP 04 Check the firmware version of the lens

Check the “Update Information” in the bottom left and confirm if the firmware version needs to be updated to Ver. 05.
Click the “Next” button to update it.

STEP 05 Update the lens firmware

1. After checking the “Update Information”, click the “Next” button to start transferring the software data to the camera.

Do not power OFF the camera and ensure the USB cable is properly connected during the data transfer.

2. Once the data transfer is over, the following message will appear on the display, so click the “Finish” button.

After closing it, the message “Updating the lens” will appear on the camera display, and the firmware update of the lens will start.

STEP 06 Finish updating the firmware of the lens

When the message “Lens update complete.” appears on the camera display, the firmware update of the lens is successfully over. Follow the instructions on the screen to close the process. After closing it, remove the USB cable from the camera and the PC.

* After the firmware update is complete, turn off the camera and remove the battery or AC adapter. Then reinsert the battery/AC adapter and reboot the camera.

STEP 07 Confirm the updated software version

Check the “Version.” from the camera menu, and confirm the lens version is updated to Ver. 05.

Read More

Update History

Ver.04 2023.01.26

AF assist function during video recording is now supported.
*Only SONY camera models with AF assist function are supported.

Ver.03 2020.12.17

Improved the phenomenon that the focus does not work on rare occasions when the focus mode is set to AF-C (Continuous AF).

SIGMA 35mm F1.2 DG DN | Art for Sony E-mount firmware Ver.03 is available for update at the following site.

Ver.02 2020.07.21

It has improved a rarely-occurring‘blinking’phenomenon during movie shooting.
It has improved AF performance.

Firmware Download for Lenses

35mm F1.2 DG DN | Art

(Sony E-mount)

Before Updating

    Note: While the Sony Camera Driver supports macOS 11 / 12 / 13 / 14, the Lens System Software Updater program only supports macOS 12 / 13 / 14 (macOS 11 is not supported).

Ver.05 2024.08.22

・Compatibility with continuous shooting of up to approximately 120 frames per second has been added for the autofocus modes (AF-S/DMF/MF) on Sony α9 III cameras.

Download (1.1MB)

Update_SigmaA35F12V5.dmg

Update Procedure

STEP 01 Operating the Software Program

Select the file “Update_SigmaA35F12V5.dmg” that has been downloaded onto the computer and double-click it to operate the software program.

* Do not connect the camera to the PC at this moment.

Login from the Administrator account to start up the Lens System Software Updater.

STEP 02 Check the camera status

Turn on the camera and select “USB Connection” from the Menu. Then select “Mass Storage”.

* Some cameras do not require this process.
* Do not connect the camera to the PC in this process.

STEP 03 Connect the camera to the PC

1. Ensure the memory card is removed while the lens is attached to the camera. Then use the supplied USB Cable to connect the camera to the PC.

2. After connecting the camera to the PC properly, select the “Next” button in the “Lens System Software Updater” and the below message will appear on the display;

* The message “follow the instructions on the computer” will appear on the camera display.

In the case of “The update is not available for your lens.” message appears, check the Lens System Software Updater is compatible with the lens to update.
The message appears even when the software and the lens are appropriate, close the Lens System Software Updater and remove the cable and power OFF the camera.
Then, start over the update process from the STEP 01.

In case the message “Could not update” appears, follow the instructions in the dialog to check the status.

STEP 04 Check the firmware version of the lens

Check the “Update Information” in the bottom left and confirm if the firmware version needs to be updated to Ver. 05.
Click the “Next” button to update it.

STEP 05 Update the lens firmware

1. After checking the “Update Information”, click the “Next” button to start transferring the software data to the camera.

Do not power OFF the camera and ensure the USB cable is properly connected during the data transfer.

2. Once the data transfer is over, the following message will appear on the display, so click the “Finish” button.

3. After closing it, the message “Updating the lens” will appear on the camera display, and the firmware update of the lens will start.

STEP 06 Finish updating the firmware of the lens

When the message “Lens update complete.” appears on the camera display, the firmware up
When the message “Lens update complete.” appears on the camera display, the firmware update of the lens is successfully over. Follow the instructions on the screen to close the process. After closing it, remove the USB cable from the camera and the PC.

* After the firmware update is complete, turn off the camera and remove the battery or AC adapter. Then reinsert the battery/AC adapter and reboot the camera.

STEP 07 Confirm the updated software version

Check the “Version” from the camera menu, and confirm the lens version is updated to Ver. 05

Read More

Update History

Ver.04 2023.01.26

AF assist function during video recording is now supported.
*Only SONY camera models with AF assist function are supported.

Ver.03 2020.12.17

Improved the phenomenon that the focus does not work on rare occasions when the focus mode is set to AF-C (Continuous AF).

SIGMA 35mm F1.2 DG DN | Art for Sony E-mount firmware Ver.03 is available for update at the following site.

Ver.02 2020.07.21

It has improved a rarely-occurring‘blinking’phenomenon during movie shooting.
It has improved AF performance.