Rumors suggest that Sigma is working on a world-first 200mm f/1.8 telephoto prime for Sony and Leica full-frame mirrorless ...

For this review, the lens was tested on a Sony A7R III using Imatest. Pincushion distortion can be measured at +3.15%, which is clearly visible on straight lines near the picture edges.

The Sigma 85mm f/1.4 DG DN Art lens is priced at £999. An alternative for Sony FE mount cameras is the Samyang AF 85mm f/1.4 FE at £599. If we compare these prices to the main DSLR marques ...