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Real calcium fluorite in NL binoculars? (1 Viewer)

henry link

Well-known member
Right Binastro. That binocular used Fluorite doublet objective lenses from the Takahashi FS-60 scope cobbled together with the prism housing and eyepieces from a 7x50 binocular. That's the only "small" binocular with genuine Fluorite I recall.

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