JPS59144632U - Finder device in lens switching camera - Google Patents
Finder device in lens switching cameraInfo
- Publication number
- JPS59144632U JPS59144632U JP3834983U JP3834983U JPS59144632U JP S59144632 U JPS59144632 U JP S59144632U JP 3834983 U JP3834983 U JP 3834983U JP 3834983 U JP3834983 U JP 3834983U JP S59144632 U JPS59144632 U JP S59144632U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- finder
- lenses
- switching
- objective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Viewfinders (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係るファインダー装置の一実施例を示
す概略図、第２図は遮光板の移動機構を示す斜視図であ
る。
１・・・・・・ファインダーハウジング、２・・・・・
・対物レンズ、２ａ・・・・・・長焦点レンズ用対物レ
ンズ、２ｂ・・・・・・短焦点レンズ用対物レンズ、３
・・・・・・接眼レンズ、４・・・・・・ミラー、５・
・・・・・ハーフミラ−５６・・・・・・遮光板、１０
・・・・・・レンズホルダー、１１・・・・・・短焦点
レンズ、１２・・・・・・長焦点レンズ、１３・・・・
・・撮影光路、１４・・・・・・フィルム、１６・・・
・・・紐、１７・・・・・・ガイド部材。FIG. 1 is a schematic view showing an embodiment of a finder device according to the present invention, and FIG. 2 is a perspective view showing a mechanism for moving a light shielding plate. 1...Finder housing, 2...
・Objective lens, 2a...Objective lens for long focus lens, 2b...Objective lens for short focus lens, 3
...Eyepiece, 4...Mirror, 5.
... Half mirror 56 ... Light shielding plate, 10
... Lens holder, 11 ... Short focus lens, 12 ... Long focus lens, 13 ...
...Photographing optical path, 14...Film, 16...
... String, 17... Guide member.
Claims (4)
びにこれらのレンズに対応するファインダーを備え、レ
ンズの切替に応じてファインダーを切り替えるようにし
たレンズ切替カメラのファインダー装置において、 前記各レンズに対応するファインダー用対物レンズを併
設し、この対物レンズを透過した被写体像を共通のファ
インダー用接眼レンズで観察しえるようにするととも！
巳、前記レンズ切替に連動してファインダーの対物レン
ズを遮蔽する遮光板を設け、レンズ切替によって選択さ
れたレンズに対応するファインダー用対物レンズ′ の
みが使用しえるようにしたことを特徴とするレンズ切替
カメラにおけるファインダー装置。(1) In a finder device for a lens switching camera, which is equipped with a relatively long focal length lens, a relatively short focal length lens, and a finder corresponding to these lenses, and switches the finder according to switching of lenses, each of the lenses A viewfinder objective lens compatible with the 2000 is installed, and the object image transmitted through this objective lens can be observed with a common finder eyepiece!
A lens characterized in that a light-shielding plate is provided to block the objective lens of the finder in conjunction with the lens switching, so that only the finder objective lens corresponding to the lens selected by the lens switching can be used. A finder device in a switching camera.
、ファインダー用接眼レンズを配置するとともに、この
光軸上にハーフミラ−を設け、他方のファインダー用対
物レンズの光軸上にミラーを配置してこのミラーで反射
した光をハーフミラ−に導くようにしたことを特徴とす
る実用新案登録請求の範囲第１項記載のレンズ切替カメ
ラにおけるファインダー装置。(2) A finder eyepiece is arranged on the optical axis of one of the finder objective lenses, a half mirror is provided on this optical axis, and a mirror is arranged on the optical axis of the other finder objective lens. A finder device for a lens switching camera according to claim 1, characterized in that the light reflected by the lever mirror is guided to a half mirror.
ンズが光学樹脂材料によって一体に成型されていること
を特徴とする実用新案登録請求の範囲第２ 項記載のレ
ンズ切替カメラにおけるファインダー装置。(3) The finder device in a lens switching camera according to claim 2, wherein the two juxtaposed finder objective lenses are integrally molded from an optical resin material.
ンズホルダーと前記遮光板とを紐で連結し、レンズホル
ダーの移動に連動して遮光板が移動するようにしたこと
を特徴とする実用新案登録請求の範囲第３項記載のレン
ズ切替カメラにおけるファインダー装置。(4) A utility model characterized in that the lens holder holding the long focus lens and the short focus lens is connected to the light shielding plate with a string, so that the light shielding plate moves in conjunction with the movement of the lens holder. A finder device in a lens switching camera according to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3834983U JPS59144632U (en) | 1983-03-18 | 1983-03-18 | Finder device in lens switching camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3834983U JPS59144632U (en) | 1983-03-18 | 1983-03-18 | Finder device in lens switching camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59144632U true JPS59144632U (en) | 1984-09-27 |
Family
ID=30169019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3834983U Pending JPS59144632U (en) | 1983-03-18 | 1983-03-18 | Finder device in lens switching camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59144632U (en) |
-
1983
- 1983-03-18 JP JP3834983U patent/JPS59144632U/en active Pending
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