Good News!!! New Sigma 70-200mm F2.8 lens is coming near! According to the latest rumors from PR, Sigma will announce their new 70-200mm f/2.8 DG OS Sport  lens to replace the current  Sigma 70-200mm f/2.8 EX DG APO OS HSM lens

Sigma announced new DG ART lenses for Sony E mounts. Here are some sample images taken by Jason Vong. These lenses are expected to start shipping from the end of April. You can find how well they perform.