Thread: Big problems with a new 12" dob
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  #29  
Old 20-11-2007, 01:31 PM
tileys
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tileys is offline 		 
Join Date: Nov 2007
Location: NW Sydney, Australia
Posts: 88
...collimation...yes, I should look at getting that laser collimator the next time I'm in Andrews...

OK - thanks for clarifying the point about the PRIMARY mirror. So that will shorten the focal length slightly ?

Cheers,

Steve
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