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M42-Beaulieu adapter
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PostPosted: Tue Mar 03, 2020 6:00 pm    Post subject: M42-Beaulieu adapter Reply with quote

Stumbled on this curious adapter in ebay listings. The box says Contax-S and Praktica to Beaulieu R8. Does that mean M42-D mount? But it does not look like a thread mount on the narrow side.

And then, does this adapter have a focusing helicoid, or it has another principle? It looks complex.

PostPosted: Sat Mar 07, 2020 6:25 pm    Post subject: Reply with quote

Sorry, to me it looks more like the praktica microscope adapter, but I'm no expert.