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Firmware update for SIGMA's interchangeable lenses for SIGMA SA mount

Thank you for purchasing and using our products.
We would like to announce that a new firmware update for SIGMA’s interchangeable lenses for SIGMA SA mount listed below is now available.

For customers who own the SIGMA USB DOCK and applicable products listed below, please update the firmware via SIGMA Optimization Pro.

* Before updating the firmware using the SIGMA USB DOCK, please ensure to update SIGMA Optimization Pro to Ver. 1.5.0. or later.

[Applicable product]

[Benefits of the update]

[Applicable product]
- SIGMA 24-70mm F2.8 DG OS HSM | Art for SIGMA SA mount

[Benefits of the update]

  • The firmware will correct the phenomenon whereby the OS remains active even when the OS switch is turned off when using in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.

[ SIGMA Optimization Pro Download page ]

For further information, please contact your nearest authorized SIGMA subsidiary / distributor.

We appreciate your continued support for our company and products.

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