Title:
光学装置
Document Type and Number:
Japanese Patent JP4300617
Kind Code:
B2
Abstract:
An optical filter that is provided at an optical path between a photoelectric conversion device which converts a subject image formed at a light-receiving surface thereof to an electrical signal and an optical system which forms the subject image with a light flux from the subject at the photoelectric conversion device, to filter the light flux, includes a stage formed at, at least, a portion of an external circumference of the optical filter.
Inventors:
Yosuke Kono
Application Number:
JP4774499A
Publication Date:
July 22, 2009
Filing Date:
February 25, 1999
Export Citation:
Assignee:
NIKON CORPORATION
International Classes:
G02B27/46; G02B5/20; G02B5/30; G02B7/00; H04N5/225; H04N5/335; H04N5/353; H04N5/372
Domestic Patent References:
| JP9135010A | ||||
| JP9130683A | ||||
| JP10054960A | ||||
| JP5019386A | ||||
| JP2184071A | ||||
| JP57192084A | ||||
| JP7014402U |
Attorney, Agent or Firm:
Fuyuki Nagai
Takao Watanabe
Takao Watanabe