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This is an old question, but I'm very surprised no one has mentioned this: You CAN'T see red-green. According to multiple websites, some studies showed that the human eye cannot see both red and green simultaneously, as the red cone and the green cone send out signals that cancel each other out. Similarly, blue-yellow is equally impossible to perceive. ...


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Sadly, you're not likely to get any better chart than the one in the link you provided unless you can track down the OEM of the cameras supplied to the various phone manufacturers. However, the reason your camera can respond to ("see") IR remote controllers and the like is that the IR filters are not 100% blocking -- and the IR emitters in the remotes are ...


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If we could 'see' a lot more of the EM spectrum, then yes, the rainbow would be wider, and we would have a larger vocabulary to name the 'colors'. All the wavelengths of the EM would be present, but our eyes would've a limit to its discerning power. For example, $a_0$ nm to $a_1$ nm would be one 'color'. So, we won't see all the wavelengths, but the rainbow ...



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