YES you can, But the hard part is making a support bracket that is secured to the camera lens and then the bracket part where the EAF would mount and use those 3D printers belts to go from the EAF gear to the focus collar of the lens. I took a Canon 300 f4 and made the bracket from some metal hardware store (Menards or home depot) fence brackets and then mounted the EAF and for the lens collar cut some of that 3D belt and flipped it around and took some tape wrapped the lens collar a few times and then super glued the smooth side to the tape so I could always remove it and no damage the lens collar and once the super glue was dried I attached the bracket to the non-moving point of the lens and had the EAF in line of the lens and wrapped a 3D belt around the EAF gear (all from Amazon) and the lens upside down belt so it now had teeth that match the 3D belt and super glued it as 1 complete belt when the Super Glue was dried I glued a short say 1/2 of the extra 3D belt upside down so smooth to smooth surface and used that a a strong splint. works fine, but it's most work is the bracket, maybe you have a 3D printer and can design a better bracket?
