03-13-2013, 07:57 AM
Quote:Overpriced ?soLong expriences the focus shift mainly at wide angle (24-35mm) I believe. He is using a 7D and Klaus tested on a 5D mk II. May I ask which camera body you are using?
Do you base that on your own testing ?
I just had the chance to make a few test shots with the Canon 24-70mm f/4, and as far as I can see, it does not show signs of focus shifts / RSA.
You may have tested a faulty lens, and personally I find it hard to believe the results of this test !