One of my favourite channels to watch on YouTube is Technology Connections. In each video, our host takes us on a journey through the histories of different technologies, explaining where they came from and how they work. It covers all kinds of technologies, but occasionally, the topic becomes somewhat related to photography or video. We’ve featured the channel here on DIYP before, to explain why cameras and our eyes see in RGB.
Now, he’s back to explain film. But it’s not a complete overview of how film is made, how it captures an image, how you can develop it or turn it into a print. Oh no, this super geeky video goes in-depth into one very specific aspect of 35mm film and that’s DX encoding – Or Digital IndeX). What is it? Why does it even exist? What does it do? And does it really matter?
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