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Patent Searching and Data


Title:
IMAGE-CAPTURING LENS, IMAGE-CAPTURING DEVICE, AND MOBILE TERMINAL
Document Type and Number:
WIPO Patent Application WO/2012/053367
Kind Code:
A1
Abstract:
The present invention provides: a five-component image-capturing lens that is small in size and has sufficient brightness of F2 or less and in which aberrations have been corrected favorably; an image-capturing device having said image-capturing lens; and a mobile terminal having said image-capturing device. The image-capturing lens comprises, in order from the side of the object, a first lens having positive refractive power and having a convex surface facing toward the side of the object, a meniscus-shaped second lens having negative refractive power and having a convex surface facing toward the side of the object, a third lens having positive or negative refractive power, a fourth lens having positive refractive power and having a convex surface facing toward the side of the image, and a fifth lens having negative refractive power and having a concave surface facing toward the side of the image, wherein: the image-side surface of the fifth lens has an aspheric shape and has inflection points at positions other than the intersection point with the optical axis; and the image-capturing lens satisfies 1.5

Inventors:
SANO EIGO (JP)
Application Number:
JP2011/073060
Publication Date:
April 26, 2012
Filing Date:
October 06, 2011
Export Citation:
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Assignee:
KONICA MINOLTA OPTO INC (?1928505, JP)
SANO EIGO (JP)
International Classes:
G02B13/00; G02B13/18
Foreign References:
JP2010224521A2010-10-07
JP2010197665A2010-09-09
JPH11167061A1999-06-22
JPH10221601A1998-08-21
JP2011209554A2011-10-20
Attorney, Agent or Firm:
TAMURA Keijiro et al. (?1600023, JP)
Keijichiro Tamura (?1600023, JP)
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Claims: