I set up my ST80 the same way as Tim and have had no issues (then again I am not a dead serious astrophotgrapher either but it works for me) Jimmy ---- Tim Jones <tjmac@xxxxxxxxxxxxxx> wrote: > Jim > > What type of guide camera will you be using? I use an old Meade DSI-IC with > my ST80 and I combine a pair of T-thread extenders from Scopestuff to get > proper back focus. Because these are threaded (including the camera nose), > the interconnects are rock solid and stable. > > http://scopestuff.com/ss_ttet.htm > > The 1.25" nose is removed from the DSI and 2, 2" tubes are screwed into the > nose of the camera. The eyepiece holder for the ST80 is removed and that > will expose the T-threads on the scope end. Once screwed together, the > entire visual train is very stable. > > HTH, > Tim -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.