Quote Originally Posted by Alan


Take a look at Bryan's ISO 12233 charts for these two lenses. The 24-105 stands out as the better lens.
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I don't see that. At f/4 the 24-70 has less aberration than the 24-105. Maybe you forgot to select f/4?


Quote Originally Posted by hotsecretary
My concern is that the 24-105 is supposedly soft and not so good wide open

On full frame it is plenty sharp wide open, IMHO. Keep in mind that many people use it on a crop (APS-C) camera, that results in a much softer image than FF.