Dpreview says Sigmas new 85mm ART lens “outperformed the Sony GM across the board”
Dpreview tested the new lens and compared it with the Sony 85mm GM: The Sigma beat out the Sony in nearly every category. Sharpness, vignetting, distortion and the handling of lateral CA (though not LoCA, in harsh lighting situations, wide open) all went to the Sigma. sonyalpharumors.com »