alt Hacker NewsThe lights are relatively easy to get. iirc (it's been a bit since I watched their full video on the subject[1]) the hard part to find was the splitter that sends the sodium-vapor light to one camera and everything else to another camera.
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diacritical • yesterday at 9:21 PM
Yup, I wanted to say that the prisms are hard to recreate, not the light itself.
It would seem to me to be relatively easy to build something like that if you're okay shooting with effectively a full stop less light (just split the image with a half-silvered reflector and use a dichroic filter to pass the sodium-vapor light one one side.
The splitter would have to be behind the lens, so it would require a custom camera setup (probably a longer lens-to-sensor distance than most lenses are designed for too), but I can't think of any other issues.