OPTICAL GLASS, PREFORM, AND OPTICAL ELEMENT

There are provided an optical glass that has a low temperature coefficient of relative refractive index and that can contribute to correction of the influence on image formation characteristics due to temperature change, and a preform and an optical element that use the optical glass.The optical gla...

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Bibliographische Detailangaben
1. Verfasser: IWASAKI Nana
Format: Patent
Sprache:eng ; fre ; ger
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