anatusa
Veteran
another option would be OptiTron2 / Birger adopter to FZ with any Canon SLR lens like 70-200, can get wifi folow focus with OptiTron2, and probably any EOS mount lens will work....
http://www.dvxuser.com/V6/showthread.php?327340-OptiTron2-for-Canon-ProLock-shipping
http://www.dvxuser.com/V6/showthread.php?327340-OptiTron2-for-Canon-ProLock-shipping