英语词汇“ramsden eyepiece”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	ramsden eyepiece
释义	DictionarySeeeyepiece Ramsden eyepiece Ramsden eyepiece See eyepiece. Ramsden eyepiece [′ramz·dən ′ī‚pēs] (optics) An eyepiece consisting of two planoconvex lenses with their plane sides facing outward, having the same power and focal length, and separated by a distance equal to their common focal length.
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Ramsden eyepiece