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Thread: Largest, fastest wide angle lens for ULF?

  1. #1
    Jac@stafford.net's Avatar
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    Largest, fastest wide angle lens for ULF?

    Largest, fastest wide angle lens for ULF? I might have it. It is a monster.

    Front element and rear elements about 16" in diameter, with the front being convex and the rear concave. In steel mount. Super clean, not even dust.

    Military origin. Any clues as to what I have are welcome.

  2. #2

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    Re: Largest, fastest wide angle lens for ULF?

    Is this your window again?

  3. #3

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    Re: Largest, fastest wide angle lens for ULF?

    Focal length?

  4. #4

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    Re: Largest, fastest wide angle lens for ULF?

    I don't know, Jac, but be sure to eat your Wheaties before you pick it up!

  5. #5
    Tin Can's Avatar
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    Re: Largest, fastest wide angle lens for ULF?

    It’s a bomber window for taking pics.

    I have handled one.
    Tin Can

  6. #6
    Tin Can's Avatar
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    Re: Largest, fastest wide angle lens for ULF?

    I also think it’s very cool. I wanted to install it in a video edit stall so we could spy at the computer nerds. The last 2 I saw sell on eBay recently went for very low prices considering how interesting they are.
    Tin Can

  7. #7

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    Re: Largest, fastest wide angle lens for ULF?

    I'd swear I've asked Jac whether his forms an image and got no response. Randy, did the one you saw form an image?

  8. #8
    Tin Can's Avatar
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    Re: Largest, fastest wide angle lens for ULF?

    I never tried to find focal length as it seemed to be very short. 2 concave Perspex both facing out for air pressure I presumed.

    Jac would know more.


    Quote Originally Posted by Dan Fromm View Post
    I'd swear I've asked Jac whether his forms an image and got no response. Randy, did the one you saw form an image?

  9. #9

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    Re: Largest, fastest wide angle lens for ULF?

    Photos of the lens?

  10. #10

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    Re: Largest, fastest wide angle lens for ULF?


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