OK, so I'm a bit confused and hope someone can help me out but I'm afraid this is, in the best of cases, sort of a fuzzy thing.
Anyway, I got this 210mm 6.8 Angulon (serial 3840945) in very good condition in a barel mount for $70, a more than fair price.
The barrel could be the original barrel. It has an aperture calibrated for f 6.8, is marked "210" and "made in Germany".
The overall length of the lens in the barrel is 47,5 mm (more about that later)
I could put it front of my Packard shutter, but mounting in a proper shutter would be more fun of course.
It's from here it gets a bit complicated so bare with me.
First, the lens cells has a thread of 56mm 0.75 mm (really 29 1/13 tpi).
This works with the original Compound 3-X Tube 7 shutter.
Thing is that I have no such shutter. Too bad.
What I have is a Copal #3S that have the same cell threads. So in theory, and practice, the 210 mm Angolan cells can be mounted in a Copal #3S shutter. Great!
But then we come down to cell spacing and conflicting information. And the consequences of that information.
I can find two official information on the overall length of the lens:
- A sales brochure from 1963 https://www.pacificrimcamera.com/rl/00832/00832.pdf that states (page 8) that the overall length is 45.8 mm. This is not possible to achieve mounted on a Copal #3S shutter since the back cell then will conflict with the aperture. The closest you can get is about 46.5 mm.
- The information published on Schneiders old web and remembered by the wayback machine https://web.archive.org/web/20150910...6,8-210mm.html. Here the overall length is recorded as 48 mm. It would not fit directly in a #3S with this spacing but you could design a thread extension to achieve it.So it's possible with a little bit of machine work or high quality 3D printing.
So which is it? My barrel is is neither but would be closer to 48 mm.
Anyone?
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