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A comment on Fluorite lenses: Corrective capabilities beyond ordinary optical glass. Parent comment

Re:Fluorite lenses: Corrective capabilities beyond ordinary ... by aidenn0 on Wednesday January 17, 2024 @03:14AM (#39024805)
Glass has an index of refraction that depends on wavelength; this is how a prism works. This is also why chromatic aberration exists at all.
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