Thank you for purchasing and using our products.
We are pleased to announce that a firmware update for the SIGMA MOUNT CONVERTER MC-21 SA-L and EF-L is now available.

[Applicable product]
・SIGMA MOUNT CONVERTER MC-21 SA-L

[Benefits of the update]
・The firmware will correct the phenomenon whereby the SIGMA fp freeze when using in combination with SIGMA 24-35mm F2.8 DG HSM | Art for SIGMA SA mount.
・The firmware will improve the AF performance when using SIGMA fp.
・The firmware will optimize the operation of the AF function button and Optical Stabilizer when the lens is used in combination with Panasonic Lumix DC-S1R / S1 that has been updated to the latest firmware.
・The firmware will change the DC crop mode not to crop when it is set to Auto, when an incompatible lens is attached.

[Applicable product]
・SIGMA MOUNT CONVERTER MC-21 EF-L

[Benefits of the update]
・The firmware will improve the AF performance when using SIGMA fp.
・The firmware will correct the phenomenon whereby the Optical Stabilizer stops working when using an compatible lens in combination with SIGMA fp.
・The firmware will optimize the operation of the AF function button and Optical Stabilizer when the lens is used in combination with Panasonic Lumix DC-S1R / S1 that has been updated to the latest firmware.
・The firmware will change the DC crop mode not to crop when it is set to Auto when an incompatible lens is attached.

To update the firmware, please refer to the following link;

https://www.sigma-global.com/en/download/cameras/firmware/

For further assistance please contact Sigma Imaging (UK) Ltd Service Department by email: service@sigmauk.com or telephone: 01707 329 999

We appreciate your continued support for our company and products.