Watched a neat documentary on the making of #TRON.
There are "glitch" effects where everything is lighter for a quarter second. Those weren't intentional. The movie used literally tons of film from Kodak to shoot it, and they didn't realize until halfway through production that they hadn't controlled process to keep the film the same order it had come off the truck. If you keep it in order, small manufacturing fluctuations end up continuous through your shots and the human eye doesn't really notice; if you jumble raw film canisters, the difference can be up to half an f-stop and it's very noticeable.
But since the entire film was ultimately animated at the end, they solved the problem by animating in a little sprite or circuit surge or something every time the film quality jumped and several brighter frames spun through.
Fixed it in post. ❤
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