Sigma 28-70mm f/2.0 Full Frame Patent Found and More



Sigma 28-70mm f/2.0 full frame



Sigma 14-30mm f/4.0 full frame



Sigma 20mm f/1.4 APS-C



Sigma 23mm f/1.4 APS-C



Sigma 28mm f/1.4



Sigma 33mm f/1.4

via asobinet