K-01 and K5-II Contrast AF problems

Started May 5, 2013 | Discussions thread
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Re: K-01 and K5-II Contrast AF problems
In reply to philzucker, May 6, 2013

My fine tamron 18-250 also works not that good with the k-01 in the 200-250 range.

Wonder if  the Pentax18-250 (build by tamron but probably with another chip) works better with cd-af.

The chip in the pentax 18-250 is surely different from the tamron 18-250 because the pentax allows  the kx and the k5 to repair purple fringing and the tamron does not.

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