Thank you for purchasing and using our products.

We would like to announce that a new firmware update is now available for SIGMA 120-300mm F2.8 DG OS HSM | Sports in SIGMA SA-mount.

If you own the SIGMA USB Dock UD-01 and the applicable product, please update the firmware via SIGMA Optimization Pro.


Applicable product

• SIGMA 120-300mm F2.8 DG OS HSM | Sports in SIGMA SA-mount

Benefits of the update

• The firmware will optimize the operation of Mode2 in Optical Stabilizer when used in combination with the SIGMA Mount Converter MC-21 SA-L.

How to update
Connect the lens to a computer via the SIGMA USB Dock UD-01 (sold separately), then open SIGMA Optimization Pro*. If the lens firmware isn’t the latest version, the following message will appear: ‘The latest lens firmware is available’. Click ‘Yes’ to update.

*Before updating lens firmware using the SIGMA USB DOCK UD-01, please ensure you update SIGMA Optimization Pro to the latest version.

SIGMA Optimization Pro download

For further information, please contact SIGMA Imaging Nordic by email: customerservice@sigma-imaging.se

We appreciate your continued support for our company and products.