Thread: DIY 18” truss dob, UTA size?
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  #8  
Old 12-08-2018, 08:48 PM
Dbroz (Daniel)
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Dbroz is offline 		 
Join Date: Aug 2018
Location: Melbourne
Posts: 49
I am using the focuser that comes with the Sky-Watcher 12” Dobsonian. Am I measuring the focuser wrong. I was told to measure from base of focuser to when it’s half way out
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