公开(公告)号：US20210103204A1

公开(公告)日：2021-04-08

申请号：US16609108

申请日：2017-04-26

Applicant: NIKON CORPORATION

Inventor： Hisanori TOGAWA ,  Takumi NAKANO ,  Hiroki TAKITA ,  Marie SHIMOYAMA

IPC: G03B17/14 ,  G02B27/64

Abstract: A camera system and a lens barrel are provided in an exchangeable-lens camera including a shake correction mechanism that integrally drives a lens barrel and an imaging unit, it being possible for lenses to be exchanged smoothly, and greater utility and convenience to be obtained. A lens barrel to and from which a camera body can be attached and detached, wherein the lens barrel includes: a first barrel having a first engagement part that engages with a first part of the camera body; a second barrel disposed inside the first barrel, the second barrel having a second engagement part that engages with a second part of the camera body, and having an optical system; and a drive unit that drives the second barrel in relation to the first barrel.

公开(公告)号：US20220291474A1

公开(公告)日：2022-09-15

申请号：US17641307

申请日：2020-07-22

Applicant: NIKON CORPORATION

Inventor： Hiroki TAKITA ,  Yasuhiko ENDO

IPC: G02B7/04 ,  G03B9/06

Abstract: A lens barrel, that can be made thinner, has a lens holding frame that holds a lens; a driving part that is held by the lens holding frame; aperture blades including a first engaging part and a second engaging part; a first member that engages with the first engaging part and can be rotated around an optical axis by the driving part; and a second member that engages with the second engaging part and is provided with the aperture blade arranged between the second member and the first member.

公开(公告)号：US20200096783A1

公开(公告)日：2020-03-26

申请号：US16609166

申请日：2017-04-26

Applicant: NIKON CORPORATION

Inventor： Hisanori TOGAWA ,  Takumi NAKANO ,  Hiroki TAKITA ,  Marie SHIMOYAMA

IPC: G02B27/64 ,  G03B17/14 ,  G03B5/06

Abstract: A camera system and a lens barrel capable of improving practicality and convenience by enabling smooth lens exchange in a lens-interchangeable camera having a vibration correction mechanism that integrally drives a lens barrel and an image capturing unit. A lens barrel to which a camera body can be detachably attached, the lens barrel including: a first barrel having a first engaging portion that engages with a first portion of the camera body; and a second barrel disposed inside the first barrel and having an optical system and a second engaging portion that engages with a second portion of the camera body.

公开(公告)号：US20190179108A1

公开(公告)日：2019-06-13

申请号：US16308650

申请日：2017-06-12

Applicant: NIKON CORPORATION

Inventor： Yuki KINOUCHI ,  Kentaro TERAO ,  Satoshi KAZAHAYA ,  Hiroki TAKITA ,  Mizuki WAYU

IPC: G02B7/10 ,  G02B7/02 ,  G02B15/20

Abstract: A lens barrel includes: a first lens; a first tube that holds the first lens and moves along an optical axis; a focusing lens; an actuator that drives the focusing lens; and a second tube that holds the focusing lens and the actuator and moves along the optical axis.