Title:
BINOCULARS
Document Type and Number:
WIPO Patent Application WO/2018/078756
Kind Code:
A1
Abstract:
[Problem] To provide simply structured and easily operable binoculars.
[Solution] Binoculars (1) comprise: a first lens barrel (3) having a first optical system (12); a second lens barrel (4) having a second optical system (18); a moving member (22) moving in an axial direction in response to the operation of a focal point adjustment shaft (20) and having a first section (29) for moving the first optical system and a second section (30) connected to the second optical system; a drive member (23) provided to move axially while the rotation about a diopter difference adjustment shaft (53) being regulated, and having a lock (32) that comes in contact with the first section to thereby regulate the movement of the first section along the axial direction; and a connection member (24) moving in the axial direction in response to the rotation of the drive member via the diopter difference adjustment shaft to thusly connect to the first optical system. The rotation of the first section is regulated by the drive member toward one direction about the focal point adjustment shaft.
Inventors:
NAKAMURA MASAHIRO (JP)
Application Number:
PCT/JP2016/081812
Publication Date:
May 03, 2018
Filing Date:
October 27, 2016
Export Citation:
Assignee:
NIKON VISION CO LTD (JP)
International Classes:
G03B23/00; G02B7/06
Foreign References:
| JP2003043376A | 2003-02-13 | |||
| JPS4812513Y1 | 1973-04-05 | |||
| JPH03163512A | 1991-07-15 |
Attorney, Agent or Firm:
NISHI, Kazuya et al. (JP)
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