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Thread: Using Universal Iris Clamps

  1. #11

    Join Date
    Jan 2009
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    Denmark
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    6,246

    Re: Using Universal Iris Clamps

    I don't know whether you are a Swedish speaking Finn, but here is the listing for these clamps from 1911!

    4 sizes: I have seen lots of the 2 first sizes, a couple of size 3, but can't remember seeing the big one.
    I have checked catalogues up to the late 30's - still the same sizes available.
    Attached Thumbnails Attached Thumbnails clamp.jpg  

  2. #12

    Join Date
    Apr 2008
    Location
    Tampere
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    38

    Re: Using Universal Iris Clamps

    Thanks Steve, this helps me a lot. That much I have studied Swedish that I did understood the point
    Everybody has photograph memory, some just do not have film.

    Wetplate material available from Finland.
    https://hopeaajavaloa.fi/kauppa

  3. #13

    Join Date
    Jul 2012
    Location
    Stockton, California
    Posts
    928

    Re: Using Universal Iris Clamps

    I have a 120mm one, so yes, they do exist but are not that common. I know about at least one other 120mm one. They work quite well.

  4. #14
    All metric sizes to 24x30 Ole Tjugen's Avatar
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    Mar 2002
    Location
    Norway
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    3,383

    Re: Using Universal Iris Clamps

    The 120mm ones would be the ones which are large enough to fit a 360mm Symmar Convertible - without removing the rear cell before mounting.

    Like this one. Click image for larger version. 

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  5. #15

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    Jan 2009
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    Denmark
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    Re: Using Universal Iris Clamps

    That reisekamera looks very familiar, Ole.
    Is this the 24x30?

  6. #16
    All metric sizes to 24x30 Ole Tjugen's Avatar
    Join Date
    Mar 2002
    Location
    Norway
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    Re: Using Universal Iris Clamps

    So it is; and that's why the 360mm Symmar looks like a normal lens: It is the "normal lens" for this format.

  7. #17
    Alex Timmermans
    Join Date
    May 2008
    Location
    Holland
    Posts
    589

    Re: Using Universal Iris Clamps

    I have 3 sizes.
    Those from Stallbar are the most beautifull onces. They are made of brass.
    Most others are made of more modern alluminium.
    I use them al lot. The are very sturdy and hold lenses "heavy" lenses without any problem.
    My 120mm ( the biggest available size) holds a Dallmeyer 3a without any problem.
    Love these things.
    "You dont take a picture, it's given to you"

    www.alextimmermans.com
    www.collodion-art.blogspot.com
    email : collodion-art dot onsmail dot nl

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