Sigma has released a new firmware update for Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary lens for Canon EF-mount (Amazon/B&H Photo/Adorama). Version 1.02 of the firmware fixes problems with the optical image stabilization when the lens is attached to Sigma’s Sony E-mount converter MC-11 EF-E.
Sigma recently released a new firmware update for Sigma MC-11 lens adapter. You can download this firmware here. This firmware update allows compatibility with the SIGMA 14mm F1.8 DG HSM | Art, SIGMA 24-70mm F2.8 DG OS HSM | Art, Cine Lens 14mm T2 FF EF mount and 135mm T2 FF EF mount from FF High Speed Prime Line.
Dan Watson has tested some long high-end super telephoto prime lenses on Sony Alpha a9 (Amazon/B&H Photo/Adorama). He uses Sigma MC-11 and Metabones Mark IV as adapters for Canon EF 300mm f/2.8L IS II USM Lens and Canon EF 400mm f/2.8L IS II USM Lens on Sony Alpha a9. From video above, we can see that the Autofocus on Sony Alpha a9 is really great. You can watch the full video above.
Dan Watson has tested the a $6,000 dollar combo: Sony Alpha a9 w/ Sigma 135mm f/1.8 DG HSM Art lens using MC-11 adapter. From the video above, we see that the autofocus on Sony Alpha a9 is really good, and a9 eye’s tracking is also works great.
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Sigma recently announced that the use of its Mount Converter MC-11 and certain Sigma zoom lenses with the Sony Alpha a9 (Amazon/B&H Photo/Adorama) may result in missed focus. According to Sigma USA, the issue may arise ‘occasionally’ when using AF-S mode and while shooting ‘in the telephoto range.’
Currently, there are already a lot of tests and reviews of new announced Sony Alpha a9 (Amazon/B&H Photo/Adorama) full frame mirrorless camera. Here is another great video test by Jason Lanier on Sony a9 with Canon lenses using Sigma MC-11 as lens adapter.