JPH0229029U - - Google Patents
Info
- Publication number
- JPH0229029U JPH0229029U JP10784288U JP10784288U JPH0229029U JP H0229029 U JPH0229029 U JP H0229029U JP 10784288 U JP10784288 U JP 10784288U JP 10784288 U JP10784288 U JP 10784288U JP H0229029 U JPH0229029 U JP H0229029U
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- viewfinder
- guide plate
- camera
- groove
- 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
- 230000003287 optical effect Effects 0.000 claims 8
- 239000011521 glass Substances 0.000 claims 1
Landscapes
- Viewfinders (AREA)
Description
第１図は本考案の視度調整装置の実施例をペン
タプリズムとともに示す縦断面図、第２図は第１
図の装置の分離斜視図である。
１１……ルーペ枠、１２……操作窓、１３……
操作部材１３、１４……操作脚、１５……係合部
、２０……平面カム板、２１……連動起立片、２
２……ガイド長孔、２３……カム溝、２５……駆
動ピン、２６……ローラ、３０……ガイド板、３
２……直進溝、Ｌ１……接眼レンズ、Ｌ２……可
動レンズ、Ｌ３……前固定レンズ。
Fig. 1 is a vertical sectional view showing an embodiment of the diopter adjustment device of the present invention together with a pentaprism, and Fig.
FIG. 3 is an isolated perspective view of the device shown in FIG. 11...loupe frame, 12...operation window, 13...
Operating members 13, 14... Operating leg, 15... Engaging portion, 20... Planar cam plate, 21... Interlocking upright piece, 2
2... Guide long hole, 23... Cam groove, 25... Drive pin, 26... Roller, 30... Guide plate, 3
2... Straight groove, L1... Eyepiece, L2... Movable lens, L3... Front fixed lens.
Claims (1)
移動させて視度調整を行なう装置において、 カメラ本体のルーペ枠に、フアインダ光学系の
光軸と直行する関係で直進移動操作可能に支持さ
れた操作部材と；光軸上部に固定配置され、光軸
に沿つた直進溝を有するガイド板と；このガイド
板上を、操作部材と連動して同方向に摺動し、光
軸に対して傾斜したカム溝を有する平面カム板と
；上記直進溝とカム溝に嵌められ、平面カム板の
摺動に伴なうカム溝の作用で光軸方向に直進移動
する、可動レンズを有する可動アイピース枠に固
定された駆動ピンとを備えたことを特徴とするカ
メラのフアインダの視度調整装置。 (2) 請求項１において、駆動ピンは、ガイド板
の直進溝に嵌まるローラを同軸に備えているカメ
ラのフアインダの視度調整装置。[Scope of Claim for Utility Model Registration] (1) In a device that adjusts the diopter by moving the movable lens of the viewfinder optical system of a camera, the movable lens of the viewfinder optical system moves straight to the magnifying glass frame of the camera body in a relationship perpendicular to the optical axis of the viewfinder optical system. an operating member supported in a movable manner; a guide plate fixedly disposed above the optical axis and having a straight groove extending along the optical axis; a guide plate that slides in the same direction in conjunction with the operating member on the guide plate; , a planar cam plate having a cam groove inclined with respect to the optical axis; fitted in the linear groove and the cam groove, and moved linearly in the optical axis direction by the action of the cam groove as the planar cam plate slides; 1. A diopter adjustment device for a viewfinder of a camera, comprising a drive pin fixed to a movable eyepiece frame having a movable lens. (2) The diopter adjustment device for a viewfinder of a camera according to claim 1, wherein the drive pin is coaxially equipped with a roller that fits into the straight groove of the guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10784288U JPH0229029U (en) | 1988-08-16 | 1988-08-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10784288U JPH0229029U (en) | 1988-08-16 | 1988-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0229029U true JPH0229029U (en) | 1990-02-23 |
Family
ID=31342621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10784288U Pending JPH0229029U (en) | 1988-08-16 | 1988-08-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0229029U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54141121A (en) * | 1978-04-24 | 1979-11-02 | Minolta Camera Co Ltd | Supporting member of finder optical system |
-
1988
- 1988-08-16 JP JP10784288U patent/JPH0229029U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54141121A (en) * | 1978-04-24 | 1979-11-02 | Minolta Camera Co Ltd | Supporting member of finder optical system |
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