David Savage wrote: > My guess would be it's the SR mechanism holding the sensor in place. > > But without having one (bugger!!!) I don't really know. >
I'd believe that. My Canon 300/4 has the "old" Canon IS mechanism and is very loud; you can basically here the elements churning around inside the lens. -- Christian http://photography.skofteland.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

