SIGMA Releases a Few Canon EF & Sony E Lens Firmware Updates

From SIGMA:
 
Firmware update for SIGMA’s interchangeable lenses for CANON EF mount
 
Thank you for purchasing and using our products.
 
We would like to announce that a new firmware update for SIGMA’s interchangeable lenses for CANON EF mount listed below is now available.
 
For customers who own the SIGMA USB DOCK and applicable products listed below, please update the firmware via SIGMA Optimization Pro.
 
* Before updating the firmware using the SIGMA USB DOCK, please ensure to update SIGMA Optimization Pro to Ver. 1.5.0. or later for Windows / Ver. 1.5.1. or later for Macintosh
 
Applicable product
 

• SIGMA 28mm F1.4 DG HSM | Art for CANON EF mount

Benefits of the update
 

• It has optimized the operation of the aperture control when the lens is used in combination with SIGMA MOUNT CONVERTER MC-21 EF-L.

Applicable product
 

• SIGMA 24-70mm F2.8 DG OS HSM | Art for CANON EF mount

Benefits of the update
 

• It has improved the AF performance when the lens is used in combination with SIGMA MOUNT CONVERTER MC-21 EF-L.

Applicable products
 

• SIGMA 150-600mm F5-6.3 DG OS HSM | Sports for CANON EF mount
• SIGMA 500mm F4 DG OS HSM | Sports for CANON EF mount

Benefits of the update
 

• It has optimized the operation of Mode 2 in Optical Stabilizer when used in combination with the SIGMA MOUNT CONVERTER MC-21 EF-L.

SIGMA Optimization Pro Download page
 

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Firmware update for interchangeable lens for Sony E-mount
 
Thank you for purchasing and using our products.
 
We are pleased to announce that a new firmware update for interchangeable lens for Sony E-mount is now available.
 
Applicable products
 

• SIGMA 40mm F1.4 DG HSM | Art for SONY E-mount
• SIGMA 70mm F2.8 DG MACRO | Art for SONY E-mount

Benefits of the update
 

• It has improved the AF performance.

To update the firmware, please refer to this link.
 
* Before attaching the updated lenses to the camera body, please remove the battery pack from the camera and put it back in again.

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