Pentax *ist DS and fast Pentax A lenses

Discussion in 'Pentax' started by Kacy_in_LA, Jun 10, 2006.

  1. Kacy_in_LA

    Kacy_in_LA Guest

    I have the opportunity to pick up a used Pentax A 400mm/f2.8 ED-IF to use
    with my *ist DS -- I've used my Promaster 70-300mm 4-5.6 exclusively up to
    now in wildlife photography, and feel that I need to make a move up to
    improve my image quality and composition. Other than the manual focus aspect,
    does anyone have any experience with this combination and/or advice they
    would like to share?
    Kacy_in_LA, Jun 10, 2006
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  2. Kacy_in_LA

    John Francis Guest

    Yes - go for it!

    I don't have the 400, but I have the A* 300/2.8, which I've used with
    both film and digital bodies.

    If you can find one, try and get the 1.7x AF adapter - it works very
    well with the long glass, and would give you a 680/f4.5 (equivalent
    field of view, on a *ist-DS, to a 1000mm lens on a 35mm film body).
    Plus you'd regain auto-focus - a definite benefit with the longer
    focal lengths, with practically no depth of field.
    John Francis, Jun 10, 2006
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  3. Kacy_in_LA

    Tony Polson Guest

    It is a beautiful lens. Don't hesitate.
    Tony Polson, Jun 10, 2006
  4. Thanks for the feedback, guys ... I'm thinking that I will purchase it and
    see how it goes without the AF adapter before trying to run one of those down
    as well.
    Kacy_in_LA via, Jun 10, 2006
  5. Kacy_in_LA

    Pete D Guest

    Sounds like a good plan, what sort of money are we talking here?
    Pete D, Jun 10, 2006
  6. Approximately $2,000 USD.

    Kacy_in_LA via, Jun 11, 2006
  7. Kacy_in_LA

    Pete D Guest

    So I am guessing that the new 10MP Pentax is on your list as well. It is
    certainly on my list.
    Pete D, Jun 11, 2006
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