On 10/10/2013 5:53 PM, Paul Stenquist wrote:
I wonder if your camera wasn't defective in some way. I haven't done a lot of
studio work with the k5, but on those jobs I've done it focused well on the
modeling lights.
It's definitely defective. It was a "known issue" with the camera when
it was introduced.
The camera front focuses really badly under low tungsten illumination,
unfortunately, it isn't consistent, so dialing in a focus bias doesn't
help. One picture might need a -6, the very next one a -10 isn't enough.
The workaround has been easy enough, actually easier in some ways. I use
live view with AF off the sensor set to face detect. It's an
embarrassingly easy way to secure good focus.
Not every camera showed it badly, and they did a couple of firmware
fixes that were supposed to straighten it out, though mine never did. I
have a feeling that Hoya low balled the components for the K5, and mine
just happens to be one of the really bad ones.
<topic change>
One of the reasons I am quite excited by the Ricoh buy out is because
Ricoh wants the camera division, Hoya never did, and made no bones about
it. My feeling is that the K5II is the camera the K5 should have been,
had Hoya not been trying to sqeeze every last Yuan out of their
suppliers, and the K3 is definitely setting a nice precedent as the
first Ricoh developed Pentax DSLR.
bill
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