The new ultra-wide zoom is designed for 50-megapixel-plus cameras, Sigma says. It features a design that provides near zero distortion of less than 1% as well as minimal transverse chromatic aberration, flare and ghosting.
https://petapixel.com/2018/02/09/sigma-unveils-14-24mm-f-2-8-art-lens-near-zero-distortion/
https://petapixel.com/2018/02/09/sigma-unveils-14-24mm-f-2-8-art-lens-near-zero-distortion/