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  1. #11

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    I stand corrected---my very own 6.5x9 Avus has an Ibsor shutter, not a Compur as I thought. I couldn't get the lens elements off without more force than I wanted to apply, but from educated guessing about where the threads are, I think it's probably the standard dimensions as given on the French site: 29.5mm diameter, both front and rear. If it varies from that size it can't be by much.

    There's a photo at http://www.flickr.com/photos/rebollo_fr/4826112985/ of a 6.5x9 Bergheil mounting the 20cm Tele-Dynar; it's in a rimset Compur shutter with speeds to 1/200, for what that's worth.

    -NT
    Nathan Tenny
    San Diego, CA, USA

    The lady of the house has to be a pretty swell sort of person to put up with the annoyance of a photographer.
    -The Little Technical Library, _Developing, Printing, And Enlarging_

  2. #12

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    Dec 2012
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    Thanks a bunch Nathan. I remeasured mine and get 29.5 for the front and 26 for the rear. Well, I wonder if the Bergheil bayonet mount reduces the rear opening? as in: Shutter, bayonet mount then rear element screws into that? Resulting in the size discrepancy.

  3. #13
    edp
    edp is offline

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    Oct 2009
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    My 6x9 Bergheil has a f/3.5 lens, which pushes it up to a Compur 1. The f/4.5 gets a Compur 0.

    The bayonet doesn't occlude the lens at all; it's fixed under the retaining ring.

  4. #14

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    Thank you, I believe I am looking for a compur 0 or equivalent. From studying the versions of this lens available on the popular auction site, I see one with a step ring on the rear element. It looks like I'm missing that ring.

  5. #15
    edp
    edp is offline

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    Here's a picture of mine for comparison with the picture in post #11: my shutter looks a size larger, and it's not very clear but it looks to me like the tele-dynar shutter goes to 250, like a Compur 0 does.

    http://www.flickr.com/photos/9295972@N02/3708832991/

    I've been vaguely interested in these lenses for ages but never seen one at a reasonable price, so if you find a shutter it fits I'll be interested to see what it's like.

  6. #16

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    Dec 2012
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    Very nice looking camera. I'm hoping without to much work to be able to make this work. I didn't pay nearly what they are offered for. It may take some time to get it all sorted out. i'll post some results when i do.

  7. #17
    gandolfi's Avatar
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    Jan 2005
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    I have a working Tele-Dynar on my Bergheil 6.6x9... I'll find it and get back to you .. (great lens!!)

  8. #18

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    fantastic! Would love some specs on the mounting!

  9. #19

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    Dec 2012
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    Problem solved!!! Went to a local camera show and took the lens along. I found a "Kodak Compur" that it fit into perfectly! Now just need to work out a lens board adapter which should be a breeze. I couldn't believe it there were only about 3 ? compur 0's in the whole place and one of them worked. It seems to be focusing fine from what I can tell on the ground glass.

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