Equipment MTF Testing for the Sigma 24-105mm f/4 DG OS HSM Art Series Lens
I generally let you know what my expectations are before I start, to hopefully let you know where my personal opinion affects things. The fact that I’m just posting tests of the Sigma 24-105mm f/4 DG OS HSM Art months after the lens was released tells you a lot. I’m not excited about testing…
Roger Cicala · February 5, 2018
