Title:
LIGHT INTENSITY ADJUSTING DEVICE, IMAGING OPTICAL SYSTEM, AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/034133
Kind Code:
A1
Abstract:
The present invention reduces an unpleasant sensation given to a photographer due to ghosting when switching optical filters to match brightness of a subject. A light intensity adjusting device is provided with a plurality of optical filter elements each having different light transmittance, and the reflected light color in the plurality of optical filter elements is substantially identical.
Inventors:
SATO YASUHIRO (JP)
YANAGI MICHIO (JP)
YANAGI MICHIO (JP)
Application Number:
PCT/JP2013/005134
Publication Date:
March 06, 2014
Filing Date:
August 30, 2013
Export Citation:
Assignee:
CANON DENSHI KK (JP)
International Classes:
G03B11/00; G02B1/11; G02B5/00; G03B9/02; G03B9/04
Foreign References:
| JP2004246018A | 2004-09-02 | |||
| JP2006080984A | 2006-03-23 | |||
| JP2011070150A | 2011-04-07 | |||
| JP2006078564A | 2006-03-23 | |||
| JP2008008976A | 2008-01-17 | |||
| JP2004061903A | 2004-02-26 | |||
| JP2001222042A | 2001-08-17 | |||
| JP2004295015A | 2004-10-21 |
Other References:
"Handbook of Color Science", COLOR SCIENCE ASSOCIATION IN JAPAN
See also references of EP 2894513A4
See also references of EP 2894513A4
Attorney, Agent or Firm:
OHTSUKA, Yasunori et al. (JP)
Yasunari Otsuka (JP)
Yasunari Otsuka (JP)
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