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Thread: Aero ektar for 8 x 10 camera?

  1. #1

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    Aero ektar for 8 x 10 camera?

    has anyone tried to use a 7inch aero ektar for an 8 x 10 camera? I'm attracted to f 2.5 but dont know what IC is?

  2. #2

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    Re: Aero ektar for 8 x 10 camera?

    It was made to cover 4.5" x 4.5" on 5" roll film. 10 lp/mm in the corners wide open. If that isn't enough information for you, get one and try it out on 8x10.

    There's a 12"/2.5 Aero Ektar that covers 9" x 9" on 10" roll film. Weighs only 12 pounds. That's what you want. Good luck with respect to timed exposures. Low resolution, at least wide open, 25 lp/mm centrally, 10 in the corners. Good enough for contact printing when shot wide open.

  3. #3

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    Re: Aero ektar for 8 x 10 camera?

    I just put mine on an 8x10 and the image circle is 9". Didn't notice it grow when stopped down. Clearly there will be some vignetting even with no movement, but a 9" circle isn't bad. I will be running some film through mine soon.

  4. #4

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    Re: Aero ektar for 8 x 10 camera?

    Quote Originally Posted by Mattk View Post
    I just put mine on an 8x10 and the image circle is 9". Didn't notice it grow when stopped down. Clearly there will be some vignetting even with no movement, but a 9" circle isn't bad. I will be running some film through mine soon.

    Cool! Looking forward to seeing the results

  5. #5

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    Re: Aero ektar for 8 x 10 camera?

    has anyone tried to use a 7inch aero ektar for an 8 x 10 camera?

    Yes, Henri Gaud in France does it routinely.... but for very special protraits at magnification 1:1, something that should be severely blamed according to classical portrait rules
    According to Dan's specifications the diagonal of a 4.5" square is 6.3". Hence the image circle of 6.3" at infinity.
    At 1:1 the nominal image circle (at infinity) is roughly doubled -> 12.6" this should cover the 8x10" format with little or no movements.

    10 lp/mm in the corners wide open.... when you are lucky enough to get the proper focus, otherwise, it is closer to 5 lp/mm or much less ; but 5 lp/mm is what you need for a nice contact print, not much more...

    http://trichromie.free.fr/trichromie...aits-AeroEktar

  6. #6

    Re: Aero ektar for 8 x 10 camera?

    Quote Originally Posted by Dan Fromm View Post
    It was made to cover 4.5" x 4.5" on 5" roll film. 10 lp/mm in the corners wide open. If that isn't enough information for you, get one and try it out on 8x10.

    There's a 12"/2.5 Aero Ektar that covers 9" x 9" on 10" roll film. Weighs only 12 pounds. That's what you want. Good luck with respect to timed exposures. Low resolution, at least wide open, 25 lp/mm centrally, 10 in the corners. Good enough for contact printing when shot wide open.
    I have a 12" 2.5 still in the night shutter casing. Any tips on how to disassemble?

  7. #7

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    Re: Aero ektar for 8 x 10 camera?

    Quote Originally Posted by Mattk View Post
    I just put mine on an 8x10 and the image circle is 9". Didn't notice it grow when stopped down. Clearly there will be some vignetting even with no movement, but a 9" circle isn't bad. I will be running some film through mine soon.
    Did you ever make a photo with that combination?

    Mark

  8. #8
    Tracy Storer's Avatar
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    Re: Aero ektar for 8 x 10 camera?

    Mark, removing the cells is not hard once you loosen the little toothed cam on each cell that prevents counterclockwise rotation.
    Once you have the cells out, then what? I am a hobby machinist and intend to make a new barrel for mine with a slot for waterhouse stops (eventually), it will still be a heavy lens.

    Quote Originally Posted by markcornelison View Post
    Did you ever make a photo with that combination?

    Mark
    Tracy Storer
    Mammoth Camera Company tm
    www.mammothcamera.com

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