Originally Posted by Weebl
It is a very good lens and in the top of the line but going by IQ not the best. Only the 300 2.8,400 2.8,500 and 600 are the Canon IQ superstars. Which is why they cost a pretty more than a handful large.
Agreed, but the 70-200mm (both f/4 and f/2.8) are amazing, particularly when you consider that they're zooms. Still, I admit, the 500's contrast and color really pops.