The Sigma 70mm F2.8 DG Macro Art is a full-frame macro prime for Sigma SA mount offering 1:1 magnification and 13 elements in 10 groups. It uses a stepping motor for autofocus and a 9-blade circular aperture. The lens belongs to Sigma's Global Vision Art line.
Product released: April 19, 2018
Latest firmware version
Version 1.01, released February 20, 2020
What's new in version 1.01
It has improved AF speed and quality when used in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.