Quote:
Originally Posted by toryglen-boy
Hi Mark
As stated i know its all setup right, with correct spacing etc. i know its fine, and just me being an idiot. but it does appear to shift focus. I have the rings, and i ahve them spaced correctly, i know this as i can get an image, if i move the MPCC assembly out of the focuser its a very nice image to!
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You might need to get a 2" OD extension tube..I think Bintel sells 35 and 55mm ones pretty low cost. I had a quick look at the alpine site..doesn't mention how much back focus the combo needs.