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Thread: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

  1. #1
    Eric Woodbury
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    Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

    I had a 305mm Aero-Ektar land in my lap. (Not really, or it would have broken me.) This thing is a monster. Must weigh 20#. 13in image circle, designed for 9x9 aerial camera. There is no iris, so it is 'wide-open' all the time. Glass looks good, clear, no fungus or separation. Single coated. 1943. If I could mount the thing, it would break any camera I have. Right now, it is a conversation piece. Are there any practical uses until my U2 spy plane shows up?

    Thanks. EW
    my picture blog
    ejwoodbury.blogspot.com

  2. #2
    8x10, 5x7, 4x5, et al Leigh's Avatar
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    Re: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

    Mount a camera on it.

    - Leigh
    If you believe you can, or you believe you can't... you're right.

  3. #3

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    Re: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

    Without the corresponding shutter your best option is the U2 spy plane coming to your door.

  4. #4
    Eric Woodbury
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    Re: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

    Pfsor, OK, I'll lengthen the driveway this weekend.

    If this was on an aerial camera, then it should be good quality optics, correct?

    f/# is too fast to use my hat for a shutter. Maybe I could burn ants.
    my picture blog
    ejwoodbury.blogspot.com

  5. #5

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    Re: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

    Quote Originally Posted by Eric Woodbury View Post
    Pfsor, OK, I'll lengthen the driveway this weekend.

    If this was on an aerial camera, then it should be good quality optics, correct?
    One could say that.
    And don't burn ants, I like them. More clever than people - they know how to live together for the common good.

  6. #6

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    Re: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

    Quote Originally Posted by Eric Woodbury View Post
    If this was on an aerial camera, then it should be good quality optics, correct?
    Not guaranteed. The USAF data sheet for it (pp. 7-5 and 7-6) say that wide open it resolved 25 lp/mm centrally and 10 at 27.5 degrees off axis.

  7. #7
    Peter De Smidt's Avatar
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    Re: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

    "Why can't we all just get along?" President Dale, Mars Attacks

  8. #8

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    Re: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?


    Yes, the Speed Graphic is a way to overcome the shutter issue.

  9. #9

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    Re: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

    Quote Originally Posted by Pere Casals View Post
    Yes, the Speed Graphic is a way to overcome the shutter issue.
    The 305mm isn't gonna mount to no Speed Graphic at least not without extensive use of black PVC pipe perhaps??

  10. #10

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    Re: Kodak 305mm f/2.5 Aero-Ektar, what do I do with this doorstop?

    Quote Originally Posted by Eric Woodbury View Post
    I had a 305mm Aero-Ektar land in my lap. (Not really, or it would have broken me.) This thing is a monster. Must weigh 20#. 13in image circle, designed for 9x9 aerial camera. There is no iris, so it is 'wide-open' all the time. Glass looks good, clear, no fungus or separation. Single coated. 1943. If I could mount the thing, it would break any camera I have. Right now, it is a conversation piece. Are there any practical uses until my U2 spy plane shows up?

    Thanks. EW
    I was following the 178mm version, it delivers swirl bokeh. It would be nice if the 305mm also has it, anyway this also can be allways provocated...


    https://www.flickr.com/photos/maciek...ubxQ4n-zeCqpg/


    https://www.flickr.com/photos/maciek...ubxQ4n-zeCqpg/



    A good option is mounting an speed graphic on it, because shutter. I see it as a powerful portrait lens.

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