Thread: Must have collimator .
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Old 18-10-2019, 12:23 AM
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ngcles
The Observologist

ngcles is offline 		 
Join Date: Dec 2006
Location: Billimari, NSW Central West
Posts: 1,664
Hi Bobby & All,

Have had one of these for about 25 years now. Very, very cheap and effective.

best,

L.
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