http://www.photozone.de/Reviews/Pentax%20Lens%20Tests/370-pentax-smc-da-200mm-f28-ed-if-sdm
^^^ CA is awful. For the lense I'd use for nature photography seeing purple fringe around tree branches is a big NO. Just my 2¢ -- K100D Super, DA10-17mm, DA16-45mm, DA50-200mm, Dörr DStudio strobes roman.blakout.net <http://roman.blakout.net> -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

