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casstony
17-06-2007, 08:15 PM
Thought I'd post this info as it might be of use to others:
the sct adapter on my 2" GSO dielectric diagonal shares the same thread as the barrel on my GSO 2" eyepieces (the 26mm packaged with the Bintel dob and a 2" GSO superview). You can swap the sct adapter for the eyepiece barrel to convert the sct diagonal to a refractor diagonal.

I only realised this after purchasing a spare refractor barrel from Agena, which turned out to be simply a 2" eyepiece barrel.

mick pinner
17-06-2007, 08:20 PM
it's also the same thread on the Orion prime focus adapter, thread the barrel onto the diagonal and then it can be used in a refractor.