Thread: my 12.5" RC
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Old 04-10-2009, 08:47 PM
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Bassnut (Fred)
Narrowfield rules!

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Join Date: Nov 2006
Location: Torquay
Posts: 5,065
Stunning stuff indeed. How are going to focus it?. RCOS move the secondary. If you add a focuser at the back, dont you lose the necessary constant within-a-mm BF distance?.
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