Title:
INTERCHANGEABLE LENS UNIT
Document Type and Number:
Japanese Patent JP2018025733
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an interchangeable lens unit capable of freely increasing and decreasing a film, especially on demand from a user.SOLUTION: An interchangeable lens unit comprises a front rim, a pressing ring, a rear rim and an intervention rim. The pressing ring is placed inside the front rim attachably/detachably, a film is selectively attached between the pressing ring and the front rim, the rear rim is placed at an interval on the rear side of the front rim, the intervention rim is arranged between the front rim and the rear rim, is annularly set to the outer peripheral surface of the front rim attachably/detachably and attached to the inner peripheral surface of the rear rim attachably/detachably, a film is selectively attached between the intervention rim and the front rim, and thereby a user can freely increase/decrease or exchange the films on actual demand and an interval distance between the films can be reduced to reduce the volume of the lens unit as a whole.SELECTED DRAWING: Figure 1
Inventors:
HUANG TZU SHANG
Application Number:
JP2016197402A
Publication Date:
February 15, 2018
Filing Date:
October 05, 2016
Export Citation:
Assignee:
MICROVIEW TECH CORP
International Classes:
G03B11/00
Domestic Patent References:
| JPS5529425U | 1980-02-26 |
Foreign References:
| EP2752696A1 | 2014-07-09 |
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office
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