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Camera Artifact Variation

The camera and lens themselves can help add color variation.

As shown in previous studies, lens flares can add color variation into monochromatic shots. Like in The Lego Movie and Die Hard:

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Film grain can also add color variation:

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Amplified saturation:

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Chromatic aberration has a special kind of variation on fringes. Notice the blue and red shifts on edges:

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Chromatic aberration is also seen more on the edges of the images shot with wider lenses. Shown in Piper:

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The final type of color variation is a lens artifact that I found kind of surprising. I was watching “Jack Ryan” on Amazon and noticed how some of the windows had a strange texture to them. After some digging into lenses, it turns out the artifact is from polarized lenses.

https://www.revantoptics.com/blog/why-youre-seeing-rainbows-in-car-windows/

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