Title:
2枚組撮像光学系およびそれを備えた撮像装置
Document Type and Number:
Japanese Patent JP4796660
Kind Code:
B2
Abstract:
According to the present invention, a small-sized double-lens imaging optical system whose chromatic aberration is corrected even at a super wide angle of 150° or more can be provided. The double-lens imaging optical system of the present invention includes a concave lens, and a convex lens having a diffraction grating provided thereon, and satisfies the following conditional expression (1): 4.5
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Inventors:
Takamasa Ando
Tsunehiro Korenaga
Tsunehiro Korenaga
Application Number:
JP2010517705A
Publication Date:
October 19, 2011
Filing Date:
June 12, 2009
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
G02B13/04; G02B5/18; G02B13/18
Domestic Patent References:
| JP2005128273A | 2005-05-19 | |||
| JPH10161020A | 1998-06-19 | |||
| JP2007333883A | 2007-12-27 | |||
| JPH11295591A | 1999-10-29 | |||
| JPH1090596A | 1998-04-10 | |||
| JP2001504949A | 2001-04-10 | |||
| JPH1184229A | 1999-03-26 | |||
| JPH10115777A | 1998-05-06 |
Attorney, Agent or Firm:
Seiji Okuda