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Firmware update for the SIGMA MOUNT CONVERTER MC-21 SA-L / EF-L

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]

[Benefits of the update]

  • The firmware will correct the phenomenon whereby it displays different product’s name for some lenses when it is attached.
  • The firmware will correct the phenomenon whereby the crop does not work for some DC lenses when the camera’s DC crop mode is set at “Auto”.
  • The firmware will correct the rarely occurring communication problem with the SIGMA fp.

[ SIGMA Optimization Pro Download page]

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

We appreciate your continued support for SIGMA products.

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