Does it make any difference using the MOUNT CONVERTER MC-11 or an E-mount interchangeable lens?

E-mount interchangeable lenses (DG) have the AF drive control program and high-speed communication tuned for each lens, which allow them to provide a level of high-speed AF comparable to that with mirrorless lenses (DC DN and DG DN). They also support the AF-C mode, which the MOUNT CONVERTER MC-11 does not, and have improved AF …

Can you use teleconverter with the 70mm F2.8 DG MACRO | Art?

The SIGMA SA-mount and the CANON EF-mount lenses can be used with the SIGMA TC-1401 (1.4×) and TC-2001 (2.0×) teleconverters. With auto focus shooting, the TC-1401 can be used on the long end, while the TC-2001 requires manual focus for the entire range. Please note that the TC-1411 or the TC-2011 cannot be used with …