Firmware download
Ver.1.1
- It has improved aperture operation when shooting movies with the Panasonic LUMIX S1H.
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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
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.)
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)
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

After selecting the OK button, “Camera” and “Lens” appears on the display. Please select “Lens”.
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.1.1
Windows Edition Download
Ver.02
- It has improved the AF speed.
- It has improved the AF accuracy when the Face Detection setting is turned on, while using AF.
- With the Sony α9 or Sony α6400, it has corrected the phenomenon whereby the AF stopping position occasionally had a variation when shutter was half pressed repeatedly during auto focusing on the same subject.
SIGMA 14mm F1.8 DG HSM | Art for Sony E-mount firmware Ver.02 is available for update at the following site.
Your device does not support this download service.
Update Procedure
STEP 01 Operating the Software Program
Select the file “Update_SigmaA14F18V2.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.
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 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. 02.
Click the “Next” button to update it.
If the lens firmware is already Ver. 02, this process can be skipped.

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 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. 02.
Mac Edition Download
Ver.02
- It has improved the AF speed.
- It has improved the AF accuracy when the Face Detection setting is turned on, while using AF.
- With the Sony α9 or Sony α6400, it has corrected the phenomenon whereby the AF stopping position occasionally had a variation when shutter was half pressed repeatedly during auto focusing on the same subject.
SIGMA 14mm F1.8 DG HSM | Art for Sony E-mount firmware Ver.02 is available for update at the following site.
Your device does not support this download service.
Update Procedure
STEP 01 Operating the Software Program
Select the file “Update_SigmaA14F18V2.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. 02.
Click the “Next” button to update it.
If the lens firmware is already Ver. 02, this process can be skipped.

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 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. 02.
Ver.1.01
It has improved the AF speed and quality when the lens is used with the SIGMA MOUNT CONVERTER MC-21 SA-L.
Ver.1.01
- It has improved the start-up time after the Nikon D6 power is turned on.
- It has fixed an issue where the autofocus did not work when used on a Nikon D6.
Ver.2.01
It has optimized the exposure during viewfinder shooting when used in combination with the EOS 90D and the EOS-1D X Mark III.
Update History
Ver.2.00
- It has ensured compatibility with Canon’s in-camera Lens Aberration Correction function, which enables correction matching the optical characteristics of the attached lens.*
- It has corrected the phenomenon that abnormal images appear or operation errors occur when Canon’s in-camera Lens Aberration Correction function is enabled.
* Compatible cameras: EOS 1D X mark II, EOS 5Ds, EOS 5Ds R, EOS 5D mark IV, EOS 6D mark II, EOS 80D, EOS 8000D(EOS Rebel T6s, EOS 760D), EOS 9000D(EOS 77D) , EOS Kiss x8i(EOS Rebel T6i, EOS 750D), EOS Kiss x9i(EOS Rebel T7i, EOS 800D), EOS Kiss x9(EOS Rebel SL2, EOS 200D)