I just got back from the Panasonic service centre after fixing a loose/broken hinge that was affecting the rear LCD screen. I also had the viewfinder changed. There appeared to be more than a few scratches on the curved surface. The engineer said that part is plastic and can be scratched easily. So be careful about that part. The viewfinder, after fixing, still has that edge smearing effect -- they are still using the old parts (or should I say current parts).