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Patent Searching and Data


Title:
光学系および撮像システム
Document Type and Number:
Japanese Patent JP6736262
Kind Code:
B2
Abstract:
An optical system including a plurality of wide angle lenses, each having a peripheral area with a decreased magnification per unit angle of view and an inside area ranging from an optical axis to an inside edge of the peripheral area. The inside area includes a first area ranging from the optical axis toward the peripheral area, the first area having a constant magnification per unit angle of view and a second area ranging from an outside edge of the first area to the inside edge of the peripheral area. The second area has a magnification per unit angle of view that continuously varies in a direction from the outside edge of the first area toward the peripheral area. An image portion formed by the peripheral area overlaps with another image portion formed by the peripheral area of another wide angle lens.

Inventors:
Hiroyuki Sato
Application Number:
JP2015105614A
Publication Date:
August 05, 2020
Filing Date:
May 25, 2015
Export Citation:
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Assignee:
株式会社リコー
International Classes:
G02B13/04; G02B13/06; G02B13/18; G03B15/00; G03B37/00; H04N5/225
Domestic Patent References:
JP201345089A
JP11305119A
Attorney, Agent or Firm:
Shuichi Kudo