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Thread: Source for ULF Ground Glass

  1. #1

    Source for ULF Ground Glass

    Anyone have some recommendations for acquiring ground glass for ULF cameras?

    Thanks in advance.

  2. #2

    Join Date
    Jun 2001
    Location
    North of Chicago
    Posts
    1,756

    Source for ULF Ground Glass

    Michael, I strongly recommend making your own. There was an article in Photo Techniques a while back that goes into great detail about how to do it-it's worth a trip to the library. I made a ground glass following the directions in the article for an 8x20 camera and it is one of the best I have ever used. The texture is very very fine, and it is bright and easy to focus. It compares favorably with a Maxwell screen that I have in a 4x5 Sinar. The process is a bit tedious in large sizes, but the results are worth it. If you would like I can send you more detailed information about how to do this yourself.
    ____________________________________________

    Richard Wasserman

    https://www.rwasserman.com/

  3. #3

    Join Date
    Dec 2000
    Location
    Tonopah, Nevada, USA
    Posts
    6,334

    Source for ULF Ground Glass

    Michael, You might check with our friend Dagor 77 on Ebay. C. P. Goerz on this forum. He has a source and his prices have been more than fair. Richard, I'd like to learn that method also.

  4. #4

    Join Date
    Sep 2003
    Posts
    1,794

    Source for ULF Ground Glass


  5. #5

    Source for ULF Ground Glass

    Thanks Guys!

    Cheers!

  6. #6

    Join Date
    Sep 2003
    Location
    New Jersey, USA
    Posts
    267

    Source for ULF Ground Glass

    Another vote for making your own. Regular window glass is fine, at least for 8x10. I have a recent post about this on photo.net (LF forum).

    If you have trouble finding grit, I have quite a bit left over, and would be willing to send you some if you pay shipping.

  7. #7

    Source for ULF Ground Glass

    Speaking of ground glass and Dagor 77: he said in one of his Ebay adds, I think, that his were "acid-etched" and he touted their superiority. What method gives the best surface? Literal grinding with aluminum oxide, etching with acid, or what? What level of courseness or lack thereof will tend to minimize fall-off at the edges, or will it. This is somewhat of a conundrum to me. It would seem that the finer the surface, the more critical the focusing capability. Is that a good assumption or not? Robert McClure

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