According to Japanese website Nokishita, Sigma will soon announce a new 14-24mm f/2.8 DG HSM Art lens. The official announcement is expected to be around CP+ show 2018. This Sigma 14-24mm f/2.8 DG HSM Art Lens will be a direct competitor to the AF-S NIKKOR 14-24mm f/2.8G ED lens ($1,896.95).
Here are the first images of this Sigma 14-24mm f/2.8 DG HSM Art lens.
Currently, Sigma has two excellent ultra wide angle lenses for Nikon F mount DSLR cameras:
Like Nikon Camera Rumors on Faceboook and stay tuned for more info.