My extension bar for my NEQ6 has decided to go walkabouts, and refuses to return to its owner. So I am now on the look out for another one. It's this thing here:
http://www.teleskop-express.de/shop/...Q6-Mounts.html
It won't work for a HEQ5 extension rod though, has to be from a EQ6/NEQ6. If you have one lying around, please let me know!