The Sigma 28mm F1.4 DG HSM Art is a full-frame wide-angle prime for Nikon F mount featuring 18 elements in 14 groups and weather-sealing. It uses HSM autofocus and a 9-blade circular aperture. The lens belongs to Sigma's Global Vision Art line.
Product released: June 21, 2018
Latest firmware version
Version 1.01, released September 17, 2020
What's new in version 1.01
It has improved the start-up time after the Nikon D6 power is turned on.It has fixed an issue where the autofocus did not work when used on a Nikon D6.