Thread: A Diagonal placed before the Focuser?
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Old 10-05-2007, 09:56 AM
Miaplacidus's Avatar
Miaplacidus (Brian)
He used to cut the grass.

Miaplacidus is offline 		 
Join Date: Jul 2005
Location: Hobart
Posts: 1,235
Orion make a helical focusser which you can slip into the diagonal, for fine tuning when mirror shift is driving you nuts. Can't vouch for the quality, but it exists.
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