According to latest rumors from PR, Sigma is planning to announce two lenses for Photokina 2014. One is Sigma 24mm f/1.4 Art lens, the other is Sigma 14-24mm f/4 OS lens.
The Sigma 14-24mm f/4 OS lens will be priced at $1,199. A wide-angle lens with OS.
Sigma is also rumored to announce the development of 24-70mm f/2 lens.
Read More: Sigma Rumors