Title:
An image pick-up optical system, all the celestial sphere type imaging devices, and a pickup system
Document Type and Number:
Japanese Patent JP6142467
Kind Code:
B2
Abstract:
An imaging device includes two imaging optical systems each of the imaging optical systems including a wide-angle lens having an angle of view wider than 180 degrees, and an imaging sensor configured to image an image by the wide-angle lens, so as to obtain an image in a solid angle of 4π radian by synthesizing the images by the respective imaging optical systems, wherein the wide-angle lens of each of the imaging optical systems includes, in order from an object side to an image side, a front group having a negative power, a reflection surface and a back group having a positive power, and is configured to bend an optical axis of the front group by the reflection surface at 90 degrees toward the back group.
Inventors:
Kensuke Masuda
Noriyuki Terao
Yoshiaki Irino
Tomonori Tanaka
Imae Nozomi
Toru Harada
Hirokazu Takenaka
Eimei Yamamoto
Sawaguchi Satoshi
Bessho Daisuke
Hiroyuki Sato
Makoto Shobara
Noriyuki Terao
Yoshiaki Irino
Tomonori Tanaka
Imae Nozomi
Toru Harada
Hirokazu Takenaka
Eimei Yamamoto
Sawaguchi Satoshi
Bessho Daisuke
Hiroyuki Sato
Makoto Shobara
Application Number:
JP2012121269A
Publication Date:
June 07, 2017
Filing Date:
May 28, 2012
Export Citation:
Assignee:
株式会社リコー
International Classes:
H04N5/225; G02B13/04; G02B13/06; G02B13/18; G02B17/08; G03B15/00; G03B17/17; G03B19/06; G03B19/07; G03B37/00
Domestic Patent References:
| JP2005283616A | ||||
| JP11508384A | ||||
| JP2005210651A | ||||
| JP2003008968A | ||||
| JP2005244861A |
Attorney, Agent or Firm:
Shuichi Kudo
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