Thread: 8", 10" or 12" dob as a starter scope?
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  #30  
Old 29-12-2008, 08:28 PM
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Kevnool (Kev)
Fast Scope & Fast Engine

Kevnool is offline 		 
Join Date: Nov 2006
Location: Broken Hill N.S.W
Posts: 3,305
Just spin it around and look what the beam does on the wall.
If it is collimated it will be presicelly in the middle....If it does a loop then the unit is out
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