The-Digital-Picture has completed their review of the Sigma 12-24mm f/4L DG HSM Art. Image Quality From the always-important image sharpness perspective, this lens is a very good performer with a caveat that I will of course explain.
At f/4, this lens is quite sharp in the center of the frame over the full focal length Read more. . . . canonrumors.com
2016-12-7 21:34