Sigma has designed a monster in terms of the new 50mm

[Chaitanya]

http://photorumors.com/2014/04/09/sigma-50mm-f1-4-dg-hsm-art-lens-price-and-zeiss-otus-comparison/


Sigma has a winner on hand in terms of new 50mm art.

 

[AcutancePhotography]

I would agree, but would also like to point out that there are already several threads on the Sigma 50.