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Old School Film Hack

Blue-green study

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9 thoughts on “Blue-green study

    1. Mitch Zeissler Post author

      The dock lights that are just out of sight are an odd color. When the rest if the scene is corrected for the right color, the piers come out that way due the reflected light.

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  1. Roy Poston

    Mitch;
    1. it is known that film records more wavelengths than the human eye. You are using a CCD camera, are you not? Does your CCD camera record more or same wavelengths as the normal eye?

    2. Sodium lights are orange, mercury vapor lights are more blue, florescent more green, what amount of color correction are you giving your pictures?

    3. And the fun one. How did Matrix use Blue and Green in their movie? Within the movie, one was real and the other was not.

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    1. Mitch Zeissler Post author

      Here are your answers:
      1. Actually, very few film emulsions record *more* wavelengths than the human eye, though they can be tailored to record in regions where human eyes are insensitive. There are a few black and white custom processing solution recipes that can deliver the same or more dynamic range as the human eye, but great care must be taken with selecting the correct black and white emulsion to use with them, absolute precision hand metering, and freakishly difficult solution mixing and use. As I recall, the very best of the high-dynamic range processing recipes are both rather toxic and good for only 40 minutes or less, which is why they never made it into the mainstream. My camera uses a CMOS chip, and it has a narrower range than the human eye.

      2. I can’t remember whether the lights at our marina are mercury vapor or fluorescent, but they always come out very green when shot with our digital cameras. As far as color correction is concerned, I always do what looks best for the image, as my photos are very heavily post-processed.

      3. Like most movies, The Matrix was filmed with a specific color theme in mind, which was enhanced by set design, lighting, recording bias, and post-production processing. Blue is supposed to be the “real” world within The Matrix.

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    1. Mitch Zeissler Post author

      Ah — but the oceans aren’t always blue. Go out to Hawaii and it appears to be a glorious teal to turquoise color. Along various parts of the west coast, it appears to be a deep indigo to purple. In the Chesapeake, it appears brown up in the northern part and green in the southern part.

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