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Refractor options
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07-03-2019, 09:11 AM
casstony
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Join Date: Feb 2006
Location: Warragul, Vic
Posts: 4,494
The difference between fpl53, fpl55, fcd100 and fluorite is negligible compared to how well the overall lens and cell are made.
Some fpl53 doublets and fpl51 triplets are fine for imaging too, such as the two scopes in my signature.
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