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Canon 400mm f2 Vintage Lens Review Custom Optic – This is a legacy prototype or possible one-off Canon lens made sometime in the 1970’s or 1980’s.
The images shot with the Canon 400mm f2 lens was a Canon EOS R5. Thanks to Christopher Frost for making the video and Joel Honeywell for letting him use the monster of a vintage lens.
Find more Canon vintage lenses here on the cheap.