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| Re: Canon EF 24-70mm f/4L IS Resolution Tests! |
Just a head's up for those of you checking out your new 24-70 f/4 IS lenses: having done some further testing the weak point of the lens is actually around 50mm, rather than 70mm. That's kind of unusual, most zooms are at their weakest at one extreme or the other, but pretty consistently this one is at 50mm.
It's not bad, by any means, but a bit less resolution than at 70mm.
Probably a fair trade for many (although obviously it is a poor one for some). You get your crisp edge to edge landscapes and your sharp wide open 70mm portraits out of it (http://www.fredmiranda.com/forum/topic/1181595 it looks a lot sharper f/4 70mm in this comparison) and the middle is a bonus.