Originally posted by Dave Macaulay
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- Several filters inside the machine help to get rid of light we don't want, like too much of the rather harmful UV spectrum.
- In the visible range, it's not all that spiky and it's continuous. It's also easier to filter light away in a certain spectrum than to fill up the gaps created by the light source.
Also, with digital projectors we have the opportunity to tune the image generation part, something that wasn't possible with film.
Color timing in the digital age has become a whole lot more flexible and less of a dark art than in the analog ages. Still, without a good reference source you're nowhere.
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