[ FILM AND VIDEO RECORDING AND PLAY-BACK APPARATUS; NAMELY, FILM CAMERAS, VIDEO CAMERAS, VIDEO RECORDERS, MONITORS, VIDEO SCREENS, VIDEO DISPLAY TERMINALS, VIDEO ASSISTS, NAMELY, ELECTRONIC DEVICES FOR ENABLING PLAYBACK OF VIEW FINDER IMAGE TO PLAYBACK DEVICES INCLUDING VIEW MONITORS; FILM AND VIDEO PROCESSING AND VIEWING APPARATUS, NAMELY, COPYING MACHINES, PICTURE EDITORS, DATA CONVERTER, POST PRODUCTION MACHINES FOR RECORDING AND CONVERTING ANALOGUE OR DIGITAL INFORMATION STORED ON FILMSTR...