Sigma Firmware Updates for Sigma 150-600mm F5-6.3 DG OS HSM Sports & Contemporary Lenses in Canon EF & Sigma SA mount to improve AF accuracy and reduces the operating sound of the diaphragm blades when used with MC-11 Mount Converter on Sony E-mount cameras.

Readers who’ve run this firmware update report faster AF-C with Sigma 150-600mm F5-6.3 DG OS HSM lenses on Sony mirrorless cameras following with this firmware update. Firmware can be updated using Sigma Optimization Pro using the Sigma USB Dock (for EF & SA-mounts).

[Please ensure Sigma Optimization Pro is updated to firmware version 1.3.1 or later]

Applicable Products:

• Sigma 150-600mm F5-6.3 DG OS HSM Sports Lens in EF & SA mount
• Sigma 150-600mm F5-6.3 DG OS HSM Contemporary Lens in EF & SA mount

Benefits of this Firmware Update:

• Improved the AF accuracy when the lens is attached with the Sigma Mount Converter MC-11.
[It is necessary to update Sigma Mount Converter MC-11 the latest firmware Ver 1.02]

• 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).

• Improved the AF accuracy when the lens is used for shooting movies as well as Live View on EOS DSLR cameras (Canon mount only).

• It has reduced the operating sound of the lens diaphragm blades when used for shooting movies on EOS DSLR cameras (Canon mount only).

• It is fully functional with the Canon Digital Cinema Camera EOS C300 Mark II.

[Please Note: The degree of improvement differs depending on the camera used.]

Product Links:

Sigma 150-600mm F5-6.3 DG OS HSM Contemporary Lens ($989) is available from B&H | Amazon

Sigma 150-600mm F5-6.3 DG OS HSM Sports Lens ($1,999) is available from B&H | Amazon

Sigma USB Dock ($59) is available from B&H | Amazon

Sigma MC-11 Mount Converter ($249) is available from B&H | Amazon