Quote Originally Posted by Sinh Nhut Nguyen
To me sharpness is not really important when it comes to comparing one L lens to another, I think both the 24-70 and the 24-105 are really sharp for most of the stuff people do, one may be slightly sharper than the other, so what?

Well said.


And anyhow, they're much closer to each other than to primes in the focal length range.


I wouldn't use iq to decide between these lenses. It's the speed of the 24-70 vs the IS and extra reach of the 24-105.