Hello, all,
Maybe you can help me with this: I have a 12mm T2 (the problem would be the same if it were a 12 mm T4, by the way) that is one of my favorite and most used eyepieces in my 6" Dob, which has a two inch focuser. I use the 12 mm there as a 2 inch eyepiece. So far so good.
But when I try to use it with the Paracorr in my 11 Starmaster ELT, which is balanced for the Paracorr, problems arise. Tele Vue advocates using the 12mm with the Paracorr only in the 1.25 position (the 12 T2 and T4 are dual eyepieces with both a 2 inch and a 1.25 inch sleeve). But if I instead use the 12 in the 2 inch position with the Paracorr, that is, without an 1.25 inch adapter, the inner sleeve, that is the 1.25 inch sleeve on the 12 mm eyepiece, hits the lens on the Paracorr.That's not good.
If on the other hand, I put the 12 mm into a 1.25 adapter, which is evidently how Tele Vue wishes it done, the 1.25 sleeve doesn't fit very far into the 1.25 adapter for the Paracorr, and I fear that the 12 mm eyepiece will fall out as I handle the socope in the dark.
It has occured to me to buy a 13 mm T6, which is a 1.25 eyepiece, but I like the 12 and would like to avoid spending the money if I could. Also I wonder if the 13 has the immmersive spacewalk feel that the 2" has.
Any suggestions as to what to do will be welcomed and appreciated.
Thanks,
Bill Meyers
