Originally Posted by Daniel Browning
I concur. I have owned the 24-105 and presently own the 24-70. They a similar in sharpness in the center but the the corners on the 24-70 is substantially sharper. The 24-105 also suffers from heavy CA on the wide end, much more than the 24-70.
The 24-70 is probably my favorite lens at this point. It has produced some of my best and sharpest images.