To do a *full* system reset on the camera, pull the battery and let it sit for two-three days. You'll know it has fully reset if when you fit a battery and turn it on it comes up asking for you to set the date.
Other possibles: dirty AF sensors or a poor electrical connection between lens and body. I occasionally find I get this behavior with almost any lens. I remove and replace the lens and it goes away. Godfrey On Mar 12, 2008, at 9:28 AM, Boris Liberman wrote: > Hi! > > It seems that AF of my K10D is slowly deteriorating. It started with > my > new FA 43/1.9 Ltd that would not focus sometimes. That is, the lens > would be in focus, but electronics would not confirm - lost shot. > > Today I went to the Jerusalem zoo with Galia's class. I took Tamron > 28-75/2.8 - fine lens that focuses very fast and precise. Few times I > would point the lens at a sitting or standing buy or girl under bright > sun and the lens would go zzzz back and forth around focus point and > never converge. It wouldn't give up, it would just zzzz back and zzzz > forth - very annoying. > > I switched to forced central point AF and went on shooting, but I am > really starting to fear that my K10D is going to the service. > > Any ideas as to how to reset the darn thing or how to verify it so > that > I can present a solid case to the local service people. The story such > as above may not impress them... -- 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.
