Bad luck? Bad design? I think I've heard of a couple of failures.
On Sun, Jun 19, 2016 at 8:15 PM, Morris Galloway <[email protected]> wrote: > Can I de-lurk and Bitch? Fourth SDM focus motor just died. That is three > into the DA* 16-50/2.8 SDM. It is now Awaiting shipment out for repair. > And then yesterday, and again today the DA* 60-250/4 ED IF SDM just failed. > I will simply ship them together -- when they both return the 60-250 I > will have SDM Replacement Motor Number Six. This is horrible abuse of a > customer. These lenses should perform. These are not cheap consumer > lenses. And they are not on cheap cameras. K-3, K-5ii, K-5. So now after > this colossal failure rate I'm supposed to get excited about a K-1 and > similar results after buying a couple of new lenses? > Is the SDM motor just crap? Bought a Tamron 16-50 replacement as a > spare on the 2nd DA* 16-50 repair -- Tamron has worked without complaint, > and it gets used more. I have more confidence in it. And just got a Sigma > Bigma that covers the 60-250 and more. The motor in my DA* 50-135/2.8 SDM > is the only one to last -- and now it will probably crater just > for spite. > > I am not hard on them. Don't bang em around, don't use them on sports more > than six or seven days a year. And never,, zero, zilch, no problems with > non SDM lenses. Got them going back to manual focus Spotmatic times, on the > shelf ready to "adapter and go." I've even got a Contarex bought new in > 1962 that still works. O.K. One of the Zeiss lenses needs a CLA, the 50mm > f:\2. The other Zeiss's are all right. That's a 54 year old camera! And > these lenses can't work eight years? (16-50) Obviously not. Can't even work > three without going into the shop. The 60-250 is two years old. Where is my > consumer representative? My Ombudsman? What is the solution? Pull out > and sell-out as so many of our hotshots have done -- eh Cotty? Help! > Anybody! SOS. > > > > -- > 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. -- -- Reduce your Government Footprint -- 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.
