申请人:Hatanaka Kunio
公开号:US20090143560A1
公开(公告)日:2009-06-04
There are provided an optical element that comprises a polymer which has a structural unit derived from a specific dihydroxy compound typified by 2,2-bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoro propane (bisphenol AF) and in which the relationship between a refractive index n
D
and an Abbe number ν
D
satisfies the following formula (I):
n
D
+0.0076×ν
D
≦1.78 (I)
and that is used for correction of chromatic aberration, and an achromatic lens using the optical element.
提供了一种光学元件,其包括一种聚合物,该聚合物具有从特定的二羟基化合物中导出的结构单元,该二羟基化合物以2,2-双(4-羟基苯基)-1,1,1,3,3,3-六氟丙烷(双酚AF)为代表,并且折射率nD和阿贝数νD之间的关系满足以下公式(I):nD+0.0076×νD≦1.78(I),并且用于矫正色差,以及使用该光学元件的消色差透镜。