The Sigma 28-70mm for full-frame Sony E Mount mirrorless has a constant f/2.8 aperture and packs extremely high quality optics into a compact 470g design with superb results throughout the zoom range.
Overview
The Sigma 28-70mm for full-frame Sony E Mount mirrorless has a constant f/2.8 aperture and packs extremely high quality optics into a compact 470g design with superb results throughout the zoom range.
