Did you look at it from the back of the lens board? Once you remove the ground glass back, the attachment of the lens/board should be apparent
Cheers
Tim
Your picture show the lens from the front. Look at it from the back side (looking in from the rear of the camera). The attachment of the board is likely from the back side.
How's that?
Tim
The Juwel has a interchangeable lens. My memories are vague, but I seem to remember Juwel lenses on camera fairs looking rather like any loose lens in shutter, so the "lens board" might (pretty much like the Bergheil mounts) be some small round affair normally hidden behind the shutter, and the square front panel might not be the interchangeable lens board, but just the permanently attached contraption that holds it. There might be a bayonet mechanism (like on the competing Bergheil) involved, or the knob might be there for a force-lock on a beveled edge (like a Durst LAPLA).
Last edited by Sevo; 14-Jun-2013 at 06:41.
From the look of the camera, it appears not to have a front standard. The shutter acts as a front standard and lens changes are carried out by putting new cells?
The Juwel does have a bayonet mount. It is probably frozen from lack of use. It should turn about 1/8 turn counterclockwise. Hold the shutter securely and give it a try.
http://item.mobileweb.ebay.com/viewi...d=271211856597
here, this guy uploaded a picture of a dismantled lens board. could it be a clue guys? :-I
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