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11-09-2009, 11:51 PM   #1
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SIGMA 50-500mm 1:4-6.3 APO DG urgent question

Hello. I have the chance to buy this lense i the next days, but i have a doubt: Will the autofocus work with my K10D? I read the 150-500 only works with K20D and K7, not elder models. Is the right with the Bigma HSM? Many thanks!

11-10-2009, 12:38 AM   #2
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bigma as far as i know is not hsm for pentax mount but should still autofocus with screw drive - no idea if 150-500 wont work on older cameras though but it is hsm
11-10-2009, 05:09 AM   #3
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QuoteOriginally posted by stormcloud Quote
bigma as far as i know is not hsm for pentax mount but should still autofocus with screw drive - no idea if 150-500 wont work on older cameras though but it is hsm
the point is moot anyway, k10d supports hsm

the lens will work
11-10-2009, 05:17 AM   #4
mel
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The 50-500 is not HSM. Both the 50-500 and HSM 150-500 work on the K10D. I've used them both on mine.

11-10-2009, 05:20 AM   #5
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the K10D supports HSM, I don't know if the lens you are looking at is HSM or Screw drive but the K10 Will support it
11-10-2009, 05:38 AM   #6
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Works fine on my K10D
11-10-2009, 07:22 AM   #7
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Bigma works just fine with K100Ds throught the whole range, there's no reason why it shouldn't with K10D.
11-10-2009, 10:58 PM   #8
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Thank you all for your kind help!!

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