This is my 2nd 16-35 II within 8 weeks. I will, unfortunately, give it back. It's like the first off center and the right margin even at f 8.0 still out of focus! Mechanics, AF and feel of the lens are properly and at L level, the adjustment of the optics does not unfortunately. For the price I expect a clean centric lens that at least up to the edge is out sharp at f 8, from the corners I will not even talk indeed. I'll send the test pictures also Canon for information but on an adjustment of a new lens I let myself not one that has to be right from the factory! Too bad ....
