Check these out

[Duke]

I know marmot will like them.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewI...item=1818412346

 

[spectr17]

If these work like the other coincidence rangefinders made by Ranging you can have them. I tried and tried to get them Ranging rangefinders to work and never succeeded. No one else I know liked them either. Probably junk.

 

[marmot]

One question, do they make a clip on model?