英语词汇“concentric lens”的意思、释义、用法解释及翻译-春雷网

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词汇	concentric lens
释义	Definition of concentric lens in English: concentric lens noun Photography historical A compound lens consisting of planoconvex and planoconcave lenses of such dimensions that the convex and concave surfaces of the combined lens represent portions of two concentric spheres. Origin Late 19th century; earliest use found in Journal of the Society of Arts. Definition of concentric lens in US English: concentric lens noun Photography historical A compound lens consisting of planoconvex and planoconcave lenses of such dimensions that the convex and concave surfaces of the combined lens represent portions of two concentric spheres. Origin Late 19th century; earliest use found in Journal of the Society of Arts.
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