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Continue to ChatCanon EOS-1D X DSLR in AF firmware boost https://amateurphotographer.com/latest/photo-news/canon-eos-1d-x-dslr-in-af-firmware-boost/
Canon EOS-1D X DSLR in AF firmware boost https://amateurphotographer.com/latest/photo-news/canon-eos-1d-x-dslr-in-af-firmware-boost/