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This is an RF lens. You'd want the EF version for the 5d Mark IV. This one is for mirrorless. 5D Mark IV has a mirror.
Sorry, there was a problem. Please try again later.the RF mount is not compatible with the EF mount on 5d m4. because this lens is for mirrorless mount only
Sorry, there was a problem. Please try again later.No, you would want the EF version. RF is for mirrorless cameras.
Sorry, there was a problem. Please try again later.Your camera is a full frame DSLR camera. This lens is an RF lens for mirrorless cameras. So, no, it is not compatible.
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