B4 2/3" - Canon RF Mount Adapter Ring for All 2/3" B4 mount movie Lenses to Canon EOS RF mount Camera EOS R,RP,R3,R5,R6 etc.

B4 2/3" - Canon RF Mount Adapter Ring for All 2/3" B4 mount movie Lenses to Canon EOS RF mount Camera EOS R,RP,R3,R5,R6 etc.

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