12-06-2015, 08:18 PM
Quote:And that statement is based on what kind of evidence? I am just asking. They are at least in accordance with DxoMark and Dxo is known for not being in favour of Canon.I did investigation a couple of years ago, so I don't remember exact evidences and links.
But the thing is, lots of times I've seen that nonCanon lenses have worse results (more blurred shots) at higher ("optimal" f/4-f/6.7) f-numbers than wide open.
Also some Canon lenses, that known to be crap, have freaking sharp corners wide open.
OK, I found the link
Also read other replies.