The Sigma 50mm F1.4 DG HSM Art is a full-frame standard prime for Canon EF mount featuring an entirely redesigned optical formula with 13 elements in 8 groups, delivering exceptional center and edge sharpness. It uses HSM autofocus and a 9-blade circular diaphragm. The lens is part of Sigma's Global Vision Art line.
Product released: March 20, 2014
Latest firmware version
Version 2.03, released September 17, 2020
What's new in version 2.03
It has optimized the exposure during viewfinder shooting when used in combination with the EOS 90D and the EOS-1D X Mark III.