Dan Watson tested the new amazing Sony A9 with Sigma 135mm f/1.8 DG HSM Art lens using the Sigma MC-11 Adapter. And it seems that the Sony a9 works surprisingly well and it has really great Eye Autofocusing performance. Dan also said he really hopes Sigma starts producing Native Sony E mount versions of these lenses. Watch the video above and see for yourself how well the Sony A9 camera performs with the Sigma 135mm f/1.8 Art Lens using the Sigma MC-11 Adapter!
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