Thread: Newtonian to Classic Cassegrain mod
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Old 14-05-2009, 06:15 PM
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Satchmo
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Join Date: Dec 2005
Location: Sydney
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A lemsless Schmidt still needs a curved film holder as far as I know.

I have a real Celestron 5" F1.65 Schmidt for sale , but of course you need to use film with it.

Mark
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