See what this K-5 user found and reports (with sample photos):-http://forums.dpreview.com/forums/readflat.asp?forum=1036&thread=37503804It seems that the material of the AA (Anti-Aliasing) filter of the K-5 is being changed in status by the heat generated by the LiveView, so that the UFOs/pearls are accumulated and appear (on sensors and images produced) eventually. In fact, this has been