The latest rumor suggests Sigma is planning to announce their new 70-200mm f/2.8 lens for Photokina 2018 in September. In May 2016 Sigma filed a patent for 70-200mm f/2.8 DG OS HSM Sports lens, and the previous rumor said there are three different 70-200mm lenses coming from Sigma:
- Sigma 70-200mm f/2.8 DG OS HSM Sports Lens
- Sigma 70-200mm f/2.8 DG OS HSM Art Lens
- Sigma 70-200mm f/4 DG OS HSM Contemporary Lens
Currently, the exact announcement date and detailed specs are still unknown.