When we look at early cinema it is fairly easy to point out the relationship between technology and film form. As cinema develops the influence of technology on the art of cinema become more subtle. It is there nonetheless. The link below provides a timeline of the development of cine film technology. Look at when your target director was working and match the film emulsion to the work. What did this development allow the director to do or not do?
http://motion.kodak.com/GB/en/motion/Products/Chronology_Of_Film/index.htm
