I'm curious if anyone can answer a question I have about AR.
I read in a magazine that AR works by shortening the wavelength of reflected light so that it creates destructive interfearance(sp?) with the light coming in, thus negating the reflection.
My question is this: if it negates the reflection by causing destructive interfearance, wouldn't that also negate some of the light coming in? I mean, if two waves interact with destructive, both waves are negated. So does AR really let more light in to the lens? Or does it just keep reflections off the surface?
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