Title:
鏡筒
Document Type and Number:
Japanese Patent JP6975315
Kind Code:
B2
Abstract:
Provided is a lens barrel capable of adjusting the position of an optical element by using a simple configuration. A lens frame (70) holding a second lens G is held by a rear master lens group holding frame (50), via a first pin (80) and a second pin (90) that are held on the circumferential surface thereof. The first pin (80) has a tapered shape, is fitted into a pin fitting hole (100A) provided in the rear master lens group holding frame (50), and is pressed against an edge of the bottom surface of the pin fitting hole (100A). The second pin (90) is fitted into pin fitting holes (100B, 100C) and the outer circumferential surface thereof is pressed against the inner wall surface of the pin fitting holes (100B, 100C). The amount that the first pin (80) is fitted into the pin fitting hole (100A) is adjusted to adjust the position of the lens frame (70).
Inventors:
Nobuyuki Kondo
Application Number:
JP2020508265A
Publication Date:
December 01, 2021
Filing Date:
March 13, 2019
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B7/02
Domestic Patent References:
| JP2010169915A | ||||
| JP597319A | ||||
| JP201699514A |
Foreign References:
| WO2010058722A1 | ||||
| WO2012132780A1 |
Attorney, Agent or Firm:
Kenzo Matsuura
Kazuki Ohara
Kiyoshi Matsumura
Norimasa Matsuura
Kazuki Ohara
Kiyoshi Matsumura
Norimasa Matsuura
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