I like to compare this revolution [in cinematography] offast lenses
plus pushed developmnent to painting.... Impressionism also came out
of a technological discovery, which was the tube of oil paint, as
opposed to being limited to paint you had to prepare and mix ourself.
The tubes were now ready-mule, so you just took them in a box, went
any place. You could paint Notre Dame at different hours of the (lay as
Monet did.... So, in the case of cinematography as well: if we are
doing things now that have not been done before, it is not only because
of a revolution gnat of our genius, but also because nowadays you can
do things you could not do before.
NESTOR ALMENDROS, ASC, C. 1980

While the 1970s didn't experience a technological-economic revolution on the order of the conversion to sound in...