Sigma 135mm f/1.8 DG HSM Art for Nikon

Sigma 135mm f/1.8 Art MTF Charts (and a Look Behind the Curtain)

I know there are a lot of people who want to see what the MTF charts on the new Sigma 135mm DG HSM f/1.8 Art lens look like. We just did our initial screening test on ten copies, so I’ll show you what we found, and give you some comparisons to some other 135mm lenses. This also presented a good…