On 2/9/2011 2:12 PM, Paul Stenquist wrote:
What exactly is the "front focus problem?" I performed the autofocus fine adjustment for the K-5 and all of my lenses. While some required minor adjustment, the K-5 came closer as-delivered than either my k20 or K-7. And those lenses that did require adjustment were pretty much split between front and rear focus tweaks. BTW, the two lenses that required the most adjustment were the FA 50/1.4 and the FA35/2. The DA* lenses were very close to dead-nuts right on. Paul
Paul, my (limited) understanding is that under incandescent light (I mean regular bulbs) K-5 would FF whereas it would focus accurately under other lighting conditions with same lenses, etc. I don't dwell too much in this, but there was a lot of noise about it on Pentax Forums, which I don't have time for reading anyway, so my knowledge is most basic and superficial.
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