“Tessar lens”的概念、定义、翻译、参考文献-科学参考

单词	Tessar lens
释义	Tessar lens [`te´sär ´lenz] ^OPTICS An anastigmatic lens made up of a negative lens at the aperture stop with two positive lenses, one in front and the other in back; the last positive lens is a cemented doublet.
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