Quote:
Originally Posted by Satchmo
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.
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yeah that was my guess to, its fine just now, and i have a workaround.
i guess this is an excuse to buy a fancy new focuser
