Title:
内視鏡用対物レンズ
Document Type and Number:
Japanese Patent JP5035867
Kind Code:
B2
Abstract:
An objective lens for an endoscope is provided and has a lens group A and a lens group B that are movable in a direction of an optical axis. In the objective lens, first focal adjustment for observing a point between a most-distant point and an intermediate point is performed by moving the lens group A from a lens arrangement for observing the most-distant point; and second focal adjustment for observing a point between the intermediate point to a nearest point is performed by moving the lens group B from a lens arrangement for observing the intermediate point.
Inventors:
Riki Yamamoto
Application Number:
JP2005347817A
Publication Date:
September 26, 2012
Filing Date:
December 01, 2005
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B13/00; G02B7/28; G02B23/26
Domestic Patent References:
| JP11352402A | ||||
| JP6308389A | ||||
| JP5719710A | ||||
| JP1298307A | ||||
| JP60101515A | ||||
| JP2226216A |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma