Thank you for purchasing and using our products.


Today, the SIGMA Corporation is pleased to announce the availability of “SIGMA Optimization Pro 1.4.1 for Windows”, the dedicated software for the SIGMA USB DOCK, SIGMA FLASH USB DOCK FD-11 and SIGMA MOUNT CONVERTER MC-11.

This download service is for users of the SIGMA USB DOCK, SIGMA FLASH USB DOCK FD-11 and SIGMA MOUNT CONVERTER MC-11 who are using our interchangeable lenses from our Art, Contemporary and Sports product lines or SIGMA ELECTRONIC FLASH EF-630 SA-STTL.

Please ensure you download SIGMA Optimization Pro 1.4.1 for the effective use of the SIGMA USB DOCK, SIGMA FLASH USB DOCK FD-11 and SIGMA MOUNT CONVERTER MC-11.

【Benefit of SIGMA Optimization Pro 1.4.1】

・Corrected the phenomenon that the information of adjusted value etc. in the [History of Connected Products] may disappear when activation of the software is repeated*.
* this could only happen in the software environment that SIGMA Cine Lenses, SIGMA Mount Converter MC-11 and SIGMA ELECTRONIC FLASH EF-630 SA-STTL were connected in the past.

SIGMA Optimization Pro 1.4.1 for Windows is available to download from the following site.

SIGMA Optimization Pro Download page
http://www.sigma-global.com/download/

We appreciate your continued support for our company and products.