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
・SIGMA MOUNT CONVERTER MC-21 EF-L

[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】

https://www.sigma-global.com/en/download/lenses/sigma-optimization-pro/

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.