DXOMark has completed their review of the Sigma 500mm f/4 DG OS USM S supertelephoto lens. Like most of the new Sigma lenses over the last three years, this one performs quite well when compared to the Canon version.
From DXOMark Head-to-head against the Canon EF 500 f/4L IS II USM, the Sigma 500mm f/4’s image quality Read more. . . . canonrumors.com
2017-6-2 14:59