Here are first images of upcoming 4 new Sigma lenses got leaked. These 4 lenses will be announced very soon, stay tuned for more info.
Sigma 14mm f/1.8 DG HSM | Art Lens
Sigma 135mm f/1.8 DG HSM | Art Lens
Sigma 24-70mm f/2.8 DG OS HSM | Art Lens
Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary Lens