Title:
IMAGING OPTICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/077988
Kind Code:
A1
Abstract:
An imaging optical system has at least three reflective surfaces as optical surfaces with power, and an intermediate image is formed in the optical system. Along the optical path, the reflective surface nearest the object and the reflective surface nearest the image are both concave, and at least one of the reflective surfaces has a non-rotationally symmetric shape having a single plane of symmetry, and the condition 1.1
Inventors:
YAMADA KEIKO (JP)
Application Number:
PCT/JP2010/072361
Publication Date:
June 30, 2011
Filing Date:
December 13, 2010
Export Citation:
Assignee:
KONICA MINOLTA OPTO INC (JP)
YAMADA KEIKO (JP)
YAMADA KEIKO (JP)
International Classes:
G02B17/08; G02B13/18
Domestic Patent References:
| WO2002084364A1 | 2002-10-24 | |||
| WO2000048033A1 | 2000-08-17 |
Foreign References:
| JPH0850246A | 1996-02-20 | |||
| JP2006215172A | 2006-08-17 | |||
| JP2004258541A | 2004-09-16 | |||
| JP2004126510A | 2004-04-22 |
Attorney, Agent or Firm:
SANO SHIZUO (JP)
Shizuo Sano (JP)
Shizuo Sano (JP)
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