Tag: vignetting


Sigma news and rumours: the DP0 Quattro is supposed to have the sharpest lens of all the DP version!

The day before yesterday, Sigma US announced further details about the launch of the DP0 Quattro. At the same time, the usual graphs and figures appeared on the Global Vision website; they illustrate the imaging performance of the lens. I have inserted them below so you can get an idea about the sharpness, vignetting and ...