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Old 03-10-2013, 01:23 PM   #31
Rizla
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Posts: 1,758
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Join Date: Nov 2010
Device: PRS-650 / Cybook Opus / Nook STR (rooted)
Quote:
Originally Posted by HarryT View Post
With the very greatest respect, I've answered this question at least half a dozen times already. It's because the colour fringing is due to very slight non-parallelism in the two faces of the light diffuser. These are difference of the order of the wavelength of light - ie way, way below what any reasonable manufacturing tolerance can achieve.
The manufacturers of the Kobo glo are able to achieve it.
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