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出典:Wiktionary
出典:『Wiktionary』 (2016/11/03 20:29 UTC 版)
achromatic lens (複数形 achromatic lenses)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/06 08:16 UTC 版)
An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus in the same plane.
achromatic lens