The uneven focus on some DA* 16-50 lenses is a manufacturing defect that plagued some early samples of this lens. I don't know if it can be fixed. You should have returned it to the store where you bought it. Hopefully, Pentax will replace it. Paul
On Jun 4, 2008, at 12:13 AM, Mark Erickson wrote: > I hate to be a buzzkill, but.... > > I sent an FA* 300mm F4.5 lens back to Colorado for repair a few > years ago. > It came back to me horrible mis-calibrated (blurry at all > apertures), so I > sent it back. The second time I got it back it was dialed in and very > sharp. > > I sent my DA* 16-50 back this spring due to uneven sharpness across > the > frame. It came back worse than when I sent it. So it's back in > Colorado > again. I'm hoping it comes back in better condition. > > Maybe I'm a "second time's the charm" guy.... > > > Jack wrote: >> >> Nor I, Paul. >> >> Jack >> >> >>> Ken wrote: >>> >>>> >>>> Same here Paul. >>> >>>> >>>> Paul wrote: >>>>> I've never had a bad service experience with Pentax >>>>> Colorado. It seems they know what they're doing. >>>>> Paul > > > -- > 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.
