Sigma Will Release an Affordable 100-400mm Lens for Mirrorless Cameras Very Soon
Sigma is preparing to release a 100-400mm f/5-6.3 'DG DN OS' lens designed specifically for full-frame mirrorless systems like the Sony E- and Panasonic L-Mounts in the very near future. And if the latest rumors are to be trusted, this lens will be extremely affordable (relatively speaking).