A few days ago we broke the news that Tamron would release a big zoom now there is a rumor that Sigma will release a large zoom lens. It will cover a new part of the market that current Sigma lenses do not cover.
Sigma 70-200mm f/2.8 DG DN OS Sports
B&H Photo / Amazon / Adorama
Sigma 150-600mm f/5-6.3 DG DN OS Sports:
B&H Photo / Amazon / Adorama
Sigma 60-600mm f/4.5-6.3 DG DN OS Sports:
B&H Photo / Amazon / Adorama
via weibo