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Old 20-10-2007, 06:49 PM
Meadehead
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Meadehead is offline
 
Join Date: Oct 2007
Location: Greensborough, Melbourne, Vic
Posts: 68
Check this out NightVision. It's a breakdown of the mechanism and will demonstrate why we have mirror shift. I found it useful.

http://jan.eaglecreekobservatory.org/focuser.html
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