The Sigma 17mm F4 DG DN Contemporary is a full-frame ultra-wide prime for Sony FE mirrorless in the compact 'I' series design, featuring 10 elements in 9 groups with a metal body. It uses a stepping motor for smooth autofocus and a 9-blade circular aperture. The lens belongs to Sigma's Global Vision Contemporary I series.
Product released: October 21, 2021
Latest firmware version
Version 02, released November 21, 2024
What's new in version 02
・Compatibility with continuous shooting of up to approximately 120 frames per second has been added for the autofocus modes (AF-S/DMF/MF) on Sony α9 III cameras. ・The operational stability has been improved.