What kind of the adapter is this?

Dennis Min · Joined: 17 Jun 2008 Posts: 1

Hi, All
I bought a bunch of accessaries from eBay but I can not figure out what kind of this adapter is.
The adapter says 'P-CS' but it can not be a CS mount(a variation of C-mount) since the diameter of the lens screw is about 57-58mm.
The pitch is 0.75mm.
The silver ring will tighten the lens with the adapter.
Please let me know what it is.
Thank you in advance.

Dennis

ps. I uploaded 3 pictures but cannot see them...When preview mode, I can see them. What's the problem?

The address of pictures is as follewing:

poilu · Joined: 26 Aug 2007 Posts: 3314 Location: Greece

welcome Dennis
it's your first post and a moderator have to unlock the anti spam protection
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Have a nice day

Farside · Joined: 01 Sep 2007 Posts: 1863 Location: Ireland

Without seeing the pics at the moment, but going from your description, it sounds like a lens reversing adapter for close-ups. The 58mm is right for a variety of lenses and the P might be Pentax or Pentacon. I have something similar for the P6 - it has a 58mm thread at one end and a P6 mount at the other. It's about 40mm long.
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Dave

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