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  1. #11

    Join Date
    Apr 2009
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    Large Format Pan
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    22
    In theory any rotating camera should rotate around the lens nodal point but Cirkuts prove the rule can be ignored and produce acceptable results.

    Clayton

  2. #12

    Join Date
    Mar 2009
    Shooter
    Medium Format
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    2

  3. #13

    Join Date
    Jan 2005
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    ULarge Format
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    527
    [QUOTE=godi;871009]sorry, but that's wrong. Have a look:QUOTE]

    Darn, Clay..... you, me and Goldbeck have been fools!

    godi: Cirkuts revolve on a geared platform, and can't be adjusted to accomodate the nodal point of the lens.

    See APUG member Jamie Young's website.


    Charley

  4. #14

    Join Date
    Mar 2005
    Location
    Central NC
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    444
    Quote Originally Posted by Bruce Watson View Post
    Yes, one would think they would rotate around the rear nodal point for the lens in question.
    I stand corrected. Entrance pupil it is.
    Bruce Watson
    AchromaticArts.com

  5. #15

    Join Date
    Jan 2010
    Location
    Hobart Tasmania Australia
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    35mm
    Posts
    18
    Where the light enters the lens, at the front element, is the front nodal point. Where it exits, is the rear nodal point. The centre, where the light crosses at a central point, where the aperture should be, is also a nodal point- could be called the cardinal point. I think you want to pan the camera around the cardinal point. I'm sure there are some which have been designed to do this, but I'm pretty sure that's not the case with the old Horizont which I had once. Irrelevant on this sort of camera anyway, as the image won't require stitching, unless you are operating 3 cameras back to back, as they once did at the peak of Mt. Everest, with three panon wideluxes. It was a clear day too. I don't know where you can find this image, sorry.

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