Pentax DA 17-70 Focus-shift?

Started Jul 19, 2009 | Discussions thread
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Collie Camp Regular Member • Posts: 162
Pentax DA 17-70 Focus-shift?

Hi,

just bought a Pentax DA 17-70mm/f4 SDM.

Got some trouble getting the focus at 70mm right: at f4 it´s a little frontfocusing, at f5.6 it´s point of focus is definatly shifting behind, making it a little backfocusing...

Anyone else noticing this? Is the 17-70 know for focus shift or is something wrong with my lens?

Thanks.

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