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02-01-2013, 11:43 AM   #1
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Pentax 645 FA 400mm f/5.6 AF issue?

I tried a 645 400mm FA lens on the 645D Could not get the AF to work. Is there a trick to it? Or wonder is lens is broken?

02-01-2013, 12:11 PM   #2
Ole
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Note that it has the push-pull focusing ring that turns AF on and off.
02-01-2013, 12:59 PM   #3
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That was it...BIG THANKS!!
02-01-2013, 01:38 PM   #4
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Took me a while to figure out when I first got my 645 gear too!

02-02-2013, 12:17 PM   #5
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With my 645FA45 it's a bit wired, AF does work on 645Nii and not on 645Ds
Does not matter since it is the weakest lens in the whole 645 line.

-Linus-
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