Three new Sigma Art lenses and one Contemporary lens are going to be announced soon (most likely for the CP+ in show in Japan next week):
- Sigma 135mm f/1.8 DG HSM Art (has been rumored for a while)
- Sigma 14mm f/1.8 DG HSM Art (full frame lens)
- Sigma 24-70mm f/2.8 DG OS HSM Art (also previously rumored)
- Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary
All four lenses are designed for full frame DSLR cameras and will be available in Canon, Nikon and Sigma mounts.
Update: the four new Sigma lenses are now listed on the company's official website:
Source: Nokishita via Nikonrumors