10-19-2016, 12:43 PM
I just wonder whether Nikon now also has a fluorite factory, or generally, where they get their fluorite.
Canon grows their own fluorite crystals, and have always guarded the process with extreme secrecy.
Kind regards, Wim
Canon grows their own fluorite crystals, and have always guarded the process with extreme secrecy.
Kind regards, Wim
Gear: Canon EOS R with 3 primes and 2 zooms, 4 EF-R adapters, Canon EOS 5 (analog), 9 Canon EF primes, a lone Canon EF zoom, 2 extenders, 2 converters, tubes; Olympus OM-D 1 Mk II & Pen F with 12 primes, 6 zooms, and 3 Metabones EF-MFT adapters ....