Thread: [WITHDRAWN] Exceptional Fluorite 102mm Planet Killer refractor
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Old 16-12-2013, 02:28 PM
PeterHA (Peter)
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Join Date: Jun 2013
Location: Glen Waverley, Melbourne
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Fluorite Doublet
Is this doublet a genuine CaF2 Fluorite doublet or a lens using a fluoro crown glass (like FK 54 (Schott), FCD 10 (Hoya) oder FPL 53 (Ohara))? Is it multi coated?