Complex sentence: This will even lead to question the ability of a filmaker to properly film someone you cannot understand--that after Jean Rouch had handed the camera to the anthropological'subject' and co-author of "Moi, un Noir".
Split into simpler sentences: This will even lead to question the ability of filmakers to properly film someone they cannot fully understand. All this trigged after Jean Rouch handed the camera to the'subject' (and co-author?) of "Moi, un Noir".