Now I have another question. I love wide angle zooms for travelling. Better Canon 17-40 or Canon 16-35 f4 on the 7MKII? Talking about IQ and colors and overall quality. I can get the 17-40 used for about 500 euro more or less and 16-35 f4 used for 800 euros. Is it worth the difference? I don't think to use it all the time. For regular travel use I'm planning to get a general purpose zoom like the 28-70 or 24-240.