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Title:
Imaging optical lens
Document Type and Number:
Japanese Patent JP6362200
Kind Code:
B1
Abstract:
【課題】高結像性能を得ると共に、低光学長を得ることができる撮像光学レンズを提供する。【解決手段】物体側から像側に向かって、順に第１レンズＬ１、第２レンズＬ２、第３レンズＬ３、第４レンズＬ４、第５レンズＬ５、第６レンズＬ６及び第７レンズＬ７を備え、撮像光学レンズ１０の焦点距離をｆ、第１レンズの焦点距離をｆ１、第３レンズの焦点距離をｆ３、第４レンズの焦点距離をｆ４、第４レンズの屈折率をｎ４、第６レンズの屈折率をｎ６、第７レンズの物体側面の曲率半径をＲ１３、第７レンズの像側面の曲率半径をＲ１４としたときに、条件式１≦ｆ１/ｆ≦１．５、１．７≦ｎ４≦２．２、−２≦ｆ３/ｆ４≦２、０．５≦(Ｒ１３+Ｒ１４)/(Ｒ１３−Ｒ１４)≦１０、１．７≦ｎ６≦２．２を満たす。【選択図】図１

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Inventors:
Kenmei Wang
Zhang Lei
Swallow sister
Cui Yuan
Application Number:
JP2017251257A
Publication Date:
July 25, 2018
Filing Date:
December 27, 2017
Export Citation:
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Assignee:
AAC TECHNOLOGIES PTE.LTD.
International Classes:
G02B13/00; G02B13/18
Domestic Patent References:
JP2015072405A2015-04-16
Foreign References:
US20170285305A12017-10-05
US20170168268A12017-06-15
US20170082834A12017-03-23
Attorney, Agent or Firm:
Seiji Nishiuchi



 
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