Thread: Budget Focuser Options for 200mm f5 Newtonian
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  #7  
Old 30-11-2009, 07:27 PM
Ian Robinson
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Ian Robinson is offline 		 
Join Date: Jan 2007
Location: Gateshead
Posts: 2,205
How about a 2" ultra low profile helical focusor ?

A few places in the USA still do them and they are cheap .
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