Originally Posted by fishy 
Just to check; should the DA16-50 be outperformed by the FA 50 2.8 @ f/5.0? (Mine is
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Voting 9029381 bad
??? Yes, by all means, the FA 50 f/2.8 should outperform the 16-50, at f/5 and even f/2.8... Did I understand your question correctly? A prime will almost always outperform a zoom, especially the FA 50 2.8 macro, which outperforms pretty much anything.