24-70mm F2.8 DG OS HSM | Art (SIGMA SA-mount)

Firmware history

1. Version 1.06 Latest Nov 21, 2019

   The firmware will correct the phenomenon whereby the OS remains active even when the OS switch is turned off when using in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.

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2. Version 1.05 Apr 18, 2019

   It has improved the AF speed and quality when the lens is used with the SIGMA MOUNT CONVERTER MC-21 SA-L.

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3. Version 1.04 Mar 14, 2019

   It has corrected the phenomenon whereby it may occasionally show overexposure when narrowing down the aperture from F8 while shooting.

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4. Version 1.03 Oct 2, 2018

   It has improved the stability of the image in the viewfinder, making it easier to confirm composition, thanks to the updated control algorithm of the Optical Stabilizer.

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5. Version 1.02 Sep 8, 2017

   It has corrected the phenomenon that the Manual Override (MO) function will be disabled after adjusting the settings of focus mode switch on SIGMA Optimization Pro (Macintosh ver.).

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6. Version 1.01 Aug 18, 2017

   It has corrected the phenomenon that the OS mechanism does not operate properly when attached to the SIGMA MOUNT CONVERTER MC-11 SA-E.

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