专利名称：Eyepiece optical system and imaging device发明人：Chiharu Hiyori申请号：US13722490申请日：20121220公开号：US08780254B2公开日：20140715
专利附图：
摘要：There is provided an eyepiece optical system including a lens, a surface nearestto an observer side of the lens disposed nearest to the observer side being formed in aconvex shape on the observer side, and the eyepiece optical system satisfying aconditional expression (1) |RL/DH|<1.7, where RL is a radius of curvature of the surface
nearest to the observer side, and DH is a shortest distance in a radial direction from anoptical axis to an edge surface of the lens nearest to the observer side.
申请人：Sony Corporation
地址：Tokyo JP
国籍：JP
代理机构：Rader, Fishman & Grauer PLLC
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