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- I'm always in the market for surprising facts. One of my favorites is that the color blue is always out of focus for the human eye. It's hard to believe since it appears that we see blue clearly, but it's astonishing when shown an example. Here', I'll explain why we're unable to focus on blue, and show examples of what it means for image sharpness.
Interesting idea, apparently accurate, but I find it hard to believe that the demo images prove anything.
I am able to read text in red, green and blue about equally well from across the room, so it doesn't seem like blurry blues are simply ignored. Is there a better way to test this?
