Title:
OPTICAL SYSTEM AND IMAGE PICKUP DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2015/122117
Kind Code:
A1
Abstract:
In the present invention, provided are an image pickup lens (5) having rotation symmetrical lenses, and a plurality of aperture stops. The plurality of aperture stops include a center aperture stop (14) having an aperture at a position corresponding to a center region (10) of the image pickup lens, and a peripheral aperture stop (15) having an aperture at a position corresponding to a peripheral region (11) of the image pickup lens. In the image pickup lens, the center region and the peripheral region have different focal lengths and zoom ratios.
Inventors:
ANDO TAKAMASA
IBA TAKUMI
MATSUOKA KOUICHIROU
IBA TAKUMI
MATSUOKA KOUICHIROU
Application Number:
PCT/JP2015/000199
Publication Date:
August 20, 2015
Filing Date:
January 19, 2015
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B13/00; G02B3/10; G03B9/02; G03B11/04; G03B19/07
Foreign References:
| JP2004272053A | 2004-09-30 | |||
| JP2003510666A | 2003-03-18 | |||
| JP2010072032A | 2010-04-02 | |||
| JP2006235605A | 2006-09-07 | |||
| JPH03194502A | 1991-08-26 | |||
| US5027202A | 1991-06-25 |
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (JP)
Patent business corporation Ikeuchi and Sato and partners (JP)
Patent business corporation Ikeuchi and Sato and partners (JP)
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