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Patent Searching and Data


Title:
撮像レンズおよび撮像装置
Document Type and Number:
Japanese Patent JP7063711
Kind Code:
B2
Abstract:
To provide an image capturing lens which has a wide view angle and high resolving power and can be reduced in size in a lens radial direction.SOLUTION: An image capturing lens is provided, comprising an aperture stop, a first lens L1 having positive refractive power, a second lens L2 having negative refractive power, and a third lens L3 having positive refractive power arranged in order from the object side. The image capturing lens also has a last lens L5 disposed on the most image side, the last lens having an aspherical image-side surface with an extremum located at a position other than an intersection between the aspherical surface and an optical axis. The image capturing lens satisfies predetermined conditions to achieve a wide angle of view and high resolving power while minimizing an increase in size in a lens radial direction.SELECTED DRAWING: Figure 1

Inventors:
Shoko Kawai
Application Number:
JP2018087734A
Publication Date:
May 09, 2022
Filing Date:
April 27, 2018
Export Citation:
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Assignee:
Tamron Co., Ltd.
International Classes:
G02B13/00; G02B13/18
Domestic Patent References:
JP2007298572A
JP2002228922A
JP2005292559A
JP2018097289A
Attorney, Agent or Firm:
Patent business corporation HARAKENZO WORLD PATENT & TRADEMARK