Originally Posted by falconeye
The ray incident angle argument is almost obsolete now. First, microlens design has made huge progress, with Samsung being a front runner. Second, as it almost only affects vignetting and in camera processors are capable enough to compensate for this, it isn't an issue even for Leica anymore.
Therefore, MTF tests on film is all we ever need to know.
A while ago, I opened a thread dedicated to answering this sort of questions and it is gathering traffic now:
DA lens on Full Frame: Test Shots thread
Please, contribute. It is dedicated to real information, not rumors. Rumors stay here, please
Looks like a good thread. Might put one of my out of date slide rolls through with some of my DAs, just to show what they come up like.