Document on the FF dialog protocol between bodys and Lens of the Canon brand. Operation and description of electronic interfaces and computer commands ...
Document on the FF dialog protocol between bodys and Lens of the Canon brand. Operation and description of electronic interfaces and computer commands used to control actuators (AF, EMF, IS) or read information from the lens.
Sorry, only in french, follow this link : http://jp79dsfr.free.fr/_Docs%20et%20infos/Photo%20Tech%20_%20Canon%20EOSEF%20Protocol.pdf
