I suppose the best approach is to just take it out periodically and attach it for a while so it never gets completely depleted. Ecke, did they indicate how often this might be?
On Wed, Oct 6, 2010 at 2:28 PM, John Celio <[email protected]> wrote: >> - not every perceived failure necessarily is one. SDM motors hold a >>charge which depletes after prolonged (months) non-use. Once >>discharged, the lens will no longer focus. The charge takes up to two >>minutes to rebuild, i.e. the lens needs to be left alone for that time >>while connected to a powered on camera. At times, that may still not >>be enough to initially overcome mechanical stiction from the long >>sitting period. Joseph did the right thing basically, > > While I'm glad that there is a known (potential) solution to this > problem, it still bugs the hell out of me that it's even an issue. I've > never heard of this sort of problem with similar focusing systems from > other brands (even when I was back at Reed's and dealt with repair > issues). > > *sigh* > > Thanks for the info, Ecke. > > I think what Pentax needs to do now is put some sort of notice flyer in > the box with their SDM lenses. It would say that prolonged non-use > depletes the lens' stored charge, and to do what the service manager > described above if the lens' drive won't respond. They should also send > this flyer to all registered SDM lens owners. Some people would be glad > to know this info, I'm sure, even though it might create some minor bad > PR for Pentax for a short time. > > John > > -- > http://www.neovenator.com > http://www.cafepress.com/jacelio > > > -- > 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. > -- Steve Desjardins -- 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.
