The Sigma 18-35mm F1.8 DC HSM Art is an APS-C wide-angle zoom for Canon EF mount and the world's first zoom lens with a constant F1.8 aperture, featuring 17 elements in 12 groups. It uses HSM autofocus and a 9-blade circular aperture suited for events, sports, and video. The lens belongs to Sigma's Global Vision Art line.
Product released: July 18, 2013
Latest firmware version
Version 2.03, released July 21, 2020
What's new in version 2.03
Optimized exposure during viewfinder shooting when used in combination with EOS 90D.