Lenses Pedestrian & Sublime; A Huge 17X20 Gundlach

Discussion in '[Classifieds] For Sale' started by jimgalli, Dec 29, 2011.

  1. jimgalli

    jimgalli Subscriber

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    Christmas is over, and I need to re-capitalize the Model A project. I have several lenses I've harvested from the Lens Bunker for that purpose.

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    This is a Gundlach Instantaneous Symmetrical 17X20 lens. Or for the Brits, 20X17!! The Gundlach Instantaneous Symmetrical is a convertible, so that means the rear alone is about 50" focus and covers a small city block. Combined it is 26" f8.

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    It isn't physically unmanageable since it works at f8. It only measures a little over 4 inches across. It's some kind of an Aplanat, since I can see cement on the far edges up front.

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    The aperture is smooth, and the glass is lovely. As you go up in size from 8X10, each next size is about +10 times rarer than the preceeding one. ie. 10,000 8X10 lenses 1,000 1oX12 lenses, 100 11X14 lenses, 10 14X17 lenses : 1 17X20. My numbers are conservative. Don't ask for sources............this is the internet!

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    $615.00 for this.
     
  2. yogi s

    yogi s Member

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    excuse me, this lens still for sale? thank you.
     
  3. jimgalli

    jimgalli Subscriber

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    Sorry, no. It's long gone. Jim
     
  4. Old-N-Feeble

    Old-N-Feeble Subscriber

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    I wonder why the mods don't close the thread if it's sold?
     
  5. John Koehrer

    John Koehrer Subscriber

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    I doubt they could keep track unless the OP notified them.
    There's a tool that the OP can use to close an ad, it's at the top of the ad that they, as the poster can see.