My 50-135mm failed twice (the second of which was my fault). I have not seen any symptoms yike you described. Yours seem to be different type of problem; likely minor.
Bulent --------------------------------------------------------------------- http://patoloji.gen.tr http://celasun.wordpress.com/ http://www.flickr.com/photos/bc_the_path/ http://photo.net/photodb/user?user_id=2226822 http://www.pentaxphotogallery.com/artists/bulentcelasun 2013/12/17 Igor Roshchin <s...@komkon.org>: > > > 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 > 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. -- 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.
