While out hunting, I found the eyepiece for a spotting scope, or perhaps it is part of a macro extension tube set-up. It is in mint condition (so it was likely lost recently). There are no markings or manufacturer names on it. 
Please contact me if you believe this belongs to you.
Cheers,
Jason

To post messages, send e-mail to: [log in to unmask] Set your e-mail application to PLAIN TEXT ONLY to post messages. To contact the list owner: [log in to unmask] To unsubscribe: E-mail this command to [log in to unmask] UNSUBSCRIBE UV-Birders To change your e-mail address: E-mail this command from your old address to: [log in to unmask] CHANGE UV-Birders [new e-mail address]

Web based archives and subscription management are available at: http://listserv.dartmouth.edu/Archives/uv-birders.html