

Xitek published the first comparison images of the new Sigma 50mm f/1.4 DG HSM Art lens and three other lenses (click for larger view):



The nomenclature of the jpg files shown is as followed:

311: the new Sigma 50mm f/1.4 Art (price unknown)

Sony: Planar T* 50mm f/1.4 ZA SSM ($1,498)

Nikon: Nikkor AF-S 58mm f/1.4G ($1,696.95)

Otus: Zeiss 55mm f/1.4 Otus ($3,990)

Vignetting graphs and specs comparisons between the four lenses:



Sigma already said that the performance of their new 50mm Art lens should be very close to the $4,000 Zeiss 55mm f/1.4 Otus Distagon T*.