From among many Pentax purchases, both used and new, I've only had serious problems with one item. My first DA* 16-50 couldn't achieve a flat focus field. It was replaced by B&H. The second one was excellent.

When I first bought my 20D I noticed front focus problems with the FA 50/1.4, so I tested all my lenses and fine tuned the focus. Most required slight adjustment. I haven't noticed any focus discrepancy with the K7D, so I have yet to perform any tests. But I'll probably do a bit of testing when I have time.
Paul

On Aug 1, 2009, at 9:03 AM, Desjardins, Steve wrote:

No wonder they don't like you on the PentaxForums ;-)

Steve Desjardins

On Jul 31, 2009, at 8:33 PM, "William Robb" <[email protected]> wrote:


-----
I'm either really lucky or else I have very low standards.
Everything I buy
seems to work as it is supposed to.

William Robb


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