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Thread: Just Leaves

  1. #361

    Join Date
    Sep 2003
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    Massachusetts USA
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    Re: Just Leaves

    Quote Originally Posted by h2oman View Post
    How much bellows extension do you need with the Macro-Sironar to get that sort of an image?
    I didn't measure. The magnification was around 1:3. We can calculate it using the following formula: R = (t-f)/f

    where R = magnification ratio, t = bellows extension, f = focal length

    Here R = 1/3, f = 210mm, and t is unknown

    1/3 = (t-210)/210
    1/3 * 210 = t - 210
    70 = t - 210
    t = 280mm

    So I guess I used around 280mm of extension.
    Last edited by Ken Lee; 15-Nov-2011 at 16:12.

  2. #362
    runs a monkey grinder Steve M Hostetter's Avatar
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    Jul 2008
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    Beech Grove Indiana
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    2,293

    Re: Just Leaves

    example: a 300mm takes 12" of bellows extension to focus at infinity ... for every 3" of extentesion ( 1/4th) beyond is a half a stop..

  3. #363

    Join Date
    May 2006
    Location
    Chicago, IL
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    144

    Re: Just Leaves

    McCormick's Creek State Park, Indiana

    film: TMY in Pyrocat HD
    print: Ilford MGIV toned in selenium and thiocarbamide

  4. #364

    Join Date
    Nov 2008
    Location
    NW New Mexico
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    Re: Just Leaves

    Quote Originally Posted by dlin View Post
    McCormick's Creek State Park, Indiana

    film: TMY in Pyrocat HD
    print: Ilford MGIV toned in selenium and thiocarbamide

    Love this...Excellent Image...

    Dan

  5. #365

    Join Date
    Oct 2003
    Location
    Santa Barbara
    Posts
    1,266

    Re: Just Leaves

    Zion National Park, on a trail in the canyon a couple of weeks ago.

    Chamonix, Fujinon 240mm, Velvia 50.


  6. #366

    Join Date
    Oct 2003
    Location
    Santa Barbara
    Posts
    1,266

    Re: Just Leaves

    Quote Originally Posted by dlin View Post
    McCormick's Creek State Park, Indiana

    film: TMY in Pyrocat HD
    print: Ilford MGIV toned in selenium and thiocarbamide
    Real nice, Daniel. Love the look of the processing.

  7. #367

    Re: Just Leaves

    Quote Originally Posted by Harley Goldman View Post
    Zion National Park, on a trail in the canyon a couple of weeks ago.

    Chamonix, Fujinon 240mm, Velvia 50.

    Sweet....gotta love the velvia!
    david

  8. #368

    Join Date
    May 2006
    Location
    Chicago, IL
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    Re: Just Leaves

    Quote Originally Posted by Harley Goldman View Post
    Real nice, Daniel. Love the look of the processing.
    Thank you, Dan and Harley.

    All the best,
    Daniel

  9. #369
    Giovanni Sinico gsinico's Avatar
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    Mar 2009
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    Italy
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    Re: Just Leaves

    Quote Originally Posted by Nikola Dulgiarov View Post
    A little deviation from "just" leaves
    8x10 paper negative
    contact print
    CZJ Tessar 300/4.5 @ f16
    the exposure time was 45 sec, so I ran to the background as the figure, and then came back to finish the exposure

    you ran not so fast, you stand still for a while!
    I like it, nice photo.

  10. #370
    Giovanni Sinico gsinico's Avatar
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    Italy
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    587

    Re: Just Leaves



    Peonia leaves in my garden last week.

    Testing the sinaron 135, Velvia 50 of course!
    a bit cropped...

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