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- Awesome BillLv 71 decade agoFavorite Answer
I know that dioptric technology is used in lighthouses built in the 1800's which involve two sources of light - one fixed and one moving around the fixed.
Magnification implies the simple use of a lens in proximity to a source of light to intensify it upon a fixed point, or, the use of two lenses in varying proximities to one another to bring distant or small objects into view.
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