Jbuck, that makes sense.
I asked about the rotation to eliminate the light-camera interaction as a possibility. Digital camera sensors are much more complex machines than old school film cameras. The semiconductors themselves can have all sorts of unusual properties, not to mention the layers of optics and filters atop them, and the post-processing that happens at the chip, CPU, and software levels.
LED lights can also have some weird polarization and coherence properties because of the way that a solid state light emitting diode produces the photons.
Since the phenomenon still appears regardless of light angle, we could have concluded it was on the coin surface and not due to lighting, camera, or their interaction.
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Posted 05/02/2024 2:06 pm
