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Title:
LENS FRAME DEVICE AND ELECTRONIC CAMERA USING THE SAME
Document Type and Number:
Japanese Patent JP2003114461
Kind Code:
A
Abstract:

To provide a lens frame device realizing miniaturization though it is equipped with a filter unit where a plurality of ND filters and a cove means are properly arranged on the optical path of a photographic optical system in a lens frame device equipped with a turning optical system, and a compact electronic camera to which the lens frame device is to be applied.

This lends frame device is equipped with the photographic optical system equipped with a light turning member 21a reflecting incident luminous flux, and the cover means for selectively shielding or exposing the surface of eh reflection member on which subject luminous flux is made incident. The cover means is constituted of a plurality of plate-like members 61, which are provided to move independently respectively, and is equipped with moving means 63 and 64 for moving the cover means between a service position set on the front of the reflection member and a retreated position being a position retreated from the service position and separated in a direction where the incident luminous flux advances along the optical axis O2 of the luminous flux turned by the reflection member.


Inventors:
SATO YUSUKE
TOSAKA KIYOSHI
NAKAO HISAHIRO
TOGAWA TAKESHI
Application Number:
JP2001306548A
Publication Date:
April 18, 2003
Filing Date:
October 02, 2001
Export Citation:
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Assignee:
OLYMPUS OPTICAL CO
International Classes:
G03B19/02; G02B13/04; G03B11/00; G03B11/04; G03B17/02; G03B17/12; G03B17/17; H04N5/225; H04N101/00; (IPC1-7): G03B11/04; G02B13/04; G03B11/00; G03B17/02; G03B17/12; G03B17/17; G03B19/02; H04N5/225
Attorney, Agent or Firm:
Susumu Ito