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 L-Mount lenses.