Swap out the mount on your Catta cinema zoom lens to use it on a Canon RF-mount camera with this Lens Mount Bayonet from DZOFilm. The mount is compatible with the DZOFilm Catta 35 to 80 or 70 to 135mm cine zoom lens, and it can be installed using its quick-bayonet mount without the requirement of tools.
Compatibility
DZOFilm Catta 35 to 80mm or 70 to 135mm zoom lens
Cameras with a Canon RF lens mount
Cameras with a Canon RF lens mount