The Sigma 105mm F1.4 DG HSM Art is a full-frame portrait telephoto prime for Canon EF mount with an exceptionally large maximum aperture, 17 elements in 12 groups, and HSM autofocus. It delivers extremely shallow depth of field and smooth bokeh suited for portrait work. The lens is nicknamed the 'Bokeh Master' in Sigma's Art line.
Product released: March 29, 2018
Latest firmware version
Version 1.01, released April 23, 2020
What's new in version 1.01
It has optimized exposure during viewfinder shooting when used in combination with EOS 90D and EOS-1D X Mark III.