Thank you for purchasing and using our products.

We would like to announce the availability of a new firmware update for the SIGMA 150-600mm F5-6.3 DG OS HSM | Sports in SIGMA and Canon mount, and the SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary in SIGMA and Canon mount. The firmware can be updated using SIGMA Optimization Pro.

The lens firmware update improves the AF accuracy and reduces the operating sound of the diaphragm blades when it is attached with the SIGMA MOUNT CONVERTER MC-11.

For customers who own the following applicable products and the SIGMA USB DOCK, please update the lens firmware using SIGMA Optimization Pro.

Applicable products
SIGMA 150-600mm F5-6.3 DG OS HSM | Sports – SIGMA and Canon mount
SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary – SIGMA and Canon mount

Benefits of this firmware update
It has improved the AF accuracy when the lens is attached with the SIGMA MOUNT CONVERTER MC-11.
For customers who own SIGMA MOUNT CONVERTER MC-11, it is necessary to update this to the latest firmware Ver1.02.
It has improved the AF accuracy of this lens when mounted on the SIGMA sd Quattro (SIGMA mount only).
It has reduced the operating sound of the lens diaphragm blades when attached with the SIGMA MOUNT CONVERTER MC-11 EF-E and used for shooting movies (Canon mount only).
It has improved the AF accuracy when the lens is used for shooting movies as well as Live View on EOS DIGITAL SLR cameras (Canon mount only).*1
It has reduced the operating sound of the lens diaphragm blades when used for shooting movies on EOS DIGITAL SLR cameras (Canon mount only).*1
It is fully functional with the Canon Digital Cinema Camera EOS C300 Mark II.
*1 The degree of improvement differs depending on the camera used.

Please ensure the SIGMA Optimization Pro has been updated to Ver1.3.1 or later from the following download page before updating the lens firmware.

SIGMA Optimization Pro Download page
http://www.sigma-global.com/en/download/lenses/sigma-optimization-pro/

For customers who do not own the SIGMA USB DOCK, the lens firmware update will be provided free of charge but you will need to provide the proper documentation as listed in the instructions on the Service & Support section of our website. Please use the following link or contact our Service Department for advice. Telephone: 01707 329 999 / Email: service@sigmauk.com
Repairs & Support Section: How to return a product

If you would like more information regarding the SIGMA USB DOCK, please use the following link:

SIGMA USB DOCK

We appreciate your consistent support for our company and products.