Sigma has a launch event on October 5th at 8 a.m. EST where they will announce the: Sigma 70-200mm f/2.8 for E/L-mount Sigma 10-18mm f/2.8 DC DN  for X / E / L-mount Sigma has been aggressively releasing lenses for X mount and APS-C lately. Sigma 100-400mm f/5-6.3 DG DN OS Contemporary: B&H Photo / Amazon /Adorama Sigma … Continue reading Sigma 10-18mm f/2.8 DC DN Contemporary Coming October 5th