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04-17-2011, 11:16 PM   #1
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Join Date: Apr 2011
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ist ds lense compatibility

Hi all,

I am looking at purchasing a second hand lense and I was specifically wondering if the auto focus will work on my body, camera body that is.

Ist ds

Lense - Sigma APO 70-200mm f/2.8 DG HSM II

It says on one review 'Pentax users should be aware that this lens is effectively of 'KAF-3' mount specification, and therefore won't focus on bodies which don't support SDM lenses'

Thats about all I could find on it.

Any help please?



04-17-2011, 11:19 PM   #2
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Correct- it won't AF on the DS, but this (older) version of the lens will: Sigma APO EX 70-200mm f/2.8 Lens Reviews - Pentax Third-Party Lens Review Database

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04-17-2011, 11:38 PM   #3
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Join Date: Apr 2011
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Thanks Adam, I might see if I can find that one, it seems they are a reasonable lens.

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