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The R-G film is similar to the Baader film but thinner and (allegedly) with a sharper image as a result. The black-polymer is older technology and inferior (IMHO). Both produce a yellow-orange image whereas the Baader film produces a white image.
In addition to white balance (which might be simpler), you could also use a colour filter if you want or adjust colour during image processing.
I have the Baader film myself. I haven't compared Baader to Thousand Oaks at all, so I can't say which produces a better image, but my guess is that the limits of seeing will swamp any improvement in sharpness from a thinner film.
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