I meant to say screw drive lenses, though I do have a few screw mounts as well. :)
On Mon, Dec 16, 2013 at 7:02 PM, Zos Xavius <[email protected]> wrote: > I know you probably have, but I have to ask: did you clean the contacts well? > > Correct me if I'm wrong but aperture is read by passing current > through the lens mount and the "A" pin. Oh wait. Digital lens. Hmm, > maybe the aperture is controlled with the chip. I only have screw > mount lenses, but getting a few DA lenses wet (and I mean soaked) > resulted in MF only first and then eventually loss of aperture > control. the MF only is telling. Sounds like you have a bad chip or a > bad connection. > > On Mon, Dec 16, 2013 at 6:57 PM, Igor Roshchin <[email protected]> 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 >> >> >> -- >> 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. -- 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.
