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Thread: Will an HSM lens work on a Pentax K20D?

  1. #1
    Mito's Avatar
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    Will an HSM lens work on a Pentax K20D?

    I have a Pentax K20D. I would like to use it with a Sigma 17-70 lens. Will the HSM version focus with this camera or do I need the older version of the lens? Is there any difference between the lenses apart from price and manner of focusing? I have asked Sigma but up to now have received reply.
    And Happy New Year to all.

  2. #2
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    re: Will an HSM lens work on a Pentax K20D?

    I don't know that I can answer your question for cetain, but there's a review of the HSM version alongside the older version. If you dig through the review, the reviewer does mention that they tested the HSM version on a K20D body.

    http://www.pentaxforums.com/reviews/...roduction.html

    Regards
    Martin

  3. #3
    Moderator Dave Humphries's Avatar
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    re: Will an HSM lens work on a Pentax K20D?

    Hi Brian<

    I'd expect an HSM lens to work AF with any camera that supports AF lenses, it means there's a motor inside the lens, so not reliant upon there being one in the camera body (as there often isn't with Nikon), but I am no Pentax expert, so treat this expectation with caution

    Cheers,

  4. #4
    Mito's Avatar
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    re: Will an HSM lens work on a Pentax K20D?

    Thanks folks for the info. Martin, I read the Pentax report and yes the K20D appears to support HSM.
    Now to have a look in the piggy bank and convince "she who must be obeyed"!

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    Moderator Dave Humphries's Avatar
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    re: Will an HSM lens work on a Pentax K20D?

    Hi Brian,

    I was surprised at the lack of Pentax shooter replies, so I have amended the thread title and hope this helps.

    That said, it has only been a day and a bit since you posted.

    Cheers,

  6. #6
    CP140's Avatar
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    Re: Will an HSM lens work on a Pentax K20D?

    Quote Originally Posted by Mito View Post
    Thanks folks for the info. Martin, I read the Pentax report and yes the K20D appears to support HSM.
    Now to have a look in the piggy bank and convince "she who must be obeyed"!
    No worries Brian... good luck on your negotiations with the household finance committee!

  7. #7
    Mito's Avatar
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    Re: Will an HSM lens work on a Pentax K20D?

    Quote Originally Posted by Dave Humphries View Post
    Hi Brian,

    I was surprised at the lack of Pentax shooter replies, so I have amended the thread title and hope this helps.

    That said, it has only been a day and a bit since you posted.

    Cheers,
    Thanks Dave. I think the problem is solved. The original link was very informative. I think the problem is that toy camera owners go into a state of shock when Pentax is mentioned!!

  8. #8
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    Re: Will an HSM lens work on a Pentax K20D?

    Quote Originally Posted by Mito View Post
    ... I think the problem is that toy camera owners go into a state of shock when Pentax is mentioned!!
    Excellent!

    Philip

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    Re: Will an HSM lens work on a Pentax K20D?

    ...,,,,,,,,, I think the problem is that toy camera owners go into a state of shock when Pentax is mentioned!!!!!!!!!!!!!!!

    So true, but most change their mind when they see the work of Benjamin Kanarek. However, at the end of the day all modern cameras are capable of stunning results.

    Yes the K20d is happy with HSM.

    Richard

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