BORG Fluorite Crystals

Following picture shows BORG 90FL objective lens itself and actual fluorite crystals used by Canon. It’s really a kind of gem.

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And fluorite optics creates this kind of gorgeous image, which was taken with 71FL F3.9 + QSI and Canon cameras by Ram Viswanathan.

ramAs special note, this image was taken with Kenko SkyMemo portable mount.

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~ by tedishikawa on July 15, 2014.

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