I am using Canon lenses since 1981 and this one, the 2.8/24-70 II, is the best Canon lens I have ever used. Before I have bought it in 2014 I often had to change lenses (2.8/20-35 L or 2.8/17-35 L to 1,8/85 or 2.8/80-200 L or 24-85) but since then I use the 2.8/24-70 II) as a standard lens for my...