Thank you for purchasing and using our products.
We would like to announce that a firmware update for SIGMA TELE CONVERTER TC-1411 and TELE CONVERTER TC-2011 for L-Mount

【Applicable product】

SIGMA TELE CONVERTER TC-1411 for L-Mount
SIGMA TELE CONVERTER TC-2011 for L-Mount

【Benefit of the update】

Ver.1.1
It is compatible with teleconverter-compatible Leica Camera AG L-mount lenses.

【How to update】

For those who own the SIGMA USB DOCK UD-11
Connect the teleconverter to a computer via the SIGMA USB DOCK UD-11 (sold separately), then open SIGMA Optimization Pro. If the TELE CONVERTER TC-1411 / TC-2011 firmware isn’t the latest version, the following message will appear: ‘The latest TELE CONVERTER firmware is available’. Click ‘Yes’ to update.

*If the SIGMA USB DOCK UD-11 firmware isn’t the latest version, the following message will appear: ‘The latest SIGMA USB DOCK UD-11 firmware is available’. Click ‘Yes’ to update.
*Before updating lens firmware using the SIGMA USB DOCK UD-11, please ensure you update SIGMA Optimization Pro to the latest version.

【SIGMA Optimization Pro download page】

https://www.sigma-global.com/en/software/sigma-optimization-pro/
*The tele converter alone is not recognized by the computer. Be sure to attach a lens compatible with the tele converter.

For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
https://www.sigma-global.com/en/world-network

We appreciate your continued support for SIGMA products.