09-07-2011, 08:36 PM
For a test of this lens on both FF and APS-C, read the Lenstip.com review. They also put it on the EOS 50D (and it performs well on APS-C too).
http://www.lenstip.com/index.php?test=ob...est_ob=311
http://www.lenstip.com/index.php?test=ob...est_ob=311