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Well, yeah, I guess. I mean, it is important sometimes to know exactly what you're buying. But in the end, surely, what matters is how it performs optically under the stars. After all, naturally occuring fluorite glass was the secret lens element "X" that Abbe Zeiss famously added to his triplets, and no one worried then that it wasn't grown in a laboratory. How exactly do the two forms differ? Where did you find this info, BTW? I'd be interested in reading more.
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