In optics, a Mangin mirror is a negative meniscus lens with the reflective surface on the rear side of the glass forming a curved mirror that reflects light without spherical aberration. This reflector was invented in 1876 by a French officer Alphonse Mangin as an improved catadioptric reflector for search lights and is also used in other optical devices.
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Famous quotes containing the word mirror:
“Out flew the web and floated wide;
The mirror cracked from side to side;
‘The curse is come upon me,’ cried
The Lady of Shalott.”
—Alfred Tennyson (1809–1892)
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