
Sigma 100-400mm f/5-6.3 DG DN OS (Preorder Today): B&H Photo / Amazon / Adorama RONKONKOMA, N.Y., June 18, 2020 (GLOBE NEWSWIRE) — Sigma Corporation today made the following announcements: Launch of the 100-400mm F5-6.3 DG DN OS Contemporary, Sigma’s first ultra telephoto lens designed exclusively for full-frame mirrorless cameras. Introduction of two new teleconverters designed exclusively for Sigma mirrorless lenses: – TC-1411 […]