The symptoms you describe seems more likely to be caused by a general problem with the mount. If cleaning the contacts doesnt fix it, check the screws that holds the bayonet in place. Check both lens and camera for good measure.
Jostein Igor Roshchin <s...@komkon.org> wrote: > > >I have a question for those people who had SDM (or in general, lens >chip) failed and replaced. > >I see that with one of the SDM lenses my K5 has the aperture and speed >settings rapidly (as in crazily) fluctuating. (And the focus shows >"MF", >regardless of the focus selector position.) >I was wondering if this is one of the symptoms of the failed chip or >that could be for a different reason. > >When I had a previous chip failure, I didn't see anything like this. >When the chip failed in your lens, did you see this type of a >fluctuation? >I wonder if could be something else that happened to the lens. > >Igor -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
