JPS58126433U - Viewfinder switching device for dual focal length cameras - Google Patents
Viewfinder switching device for dual focal length camerasInfo
- Publication number
- JPS58126433U JPS58126433U JP2331882U JP2331882U JPS58126433U JP S58126433 U JPS58126433 U JP S58126433U JP 2331882 U JP2331882 U JP 2331882U JP 2331882 U JP2331882 U JP 2331882U JP S58126433 U JPS58126433 U JP S58126433U
- Authority
- JP
- Japan
- Prior art keywords
- lever
- focal length
- lens
- switching device
- long
- 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
- Focusing (AREA)
- Viewfinders (AREA)
- Lens Barrels (AREA)
- Cameras In General (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図は本考案装置を有するカメラの外観の例を簡略化
して示す正面図、第２図は上記カメラのレンズ鏡胴部を
示す縦断側面図、第３図は上記カメラの焦点距離切換機
構部の側面図、第４図は上記カメラに組み込まれた本考
案の実施例の一部を示す平面図、第５図は同上一部破截
正面図、第６図は本考案の実施例の他の一部を示す縦断
側面図、第７図は同上正面図、第８図は同上横断平面図
である。
３・・・距離調節部材（距離リング）、９・・・レンズ
保持筒、Ｌｌ、 Ｌ２． Ｌ３・・・距離調節レンズ系
、Ｌ、。
Ｌｓ、 Ｌｅ、 Ｌ７・・・補助レンズ系、２２・・・
第ルバー、２４・・・第２レバー、２６・・・ストロー
ク吸収部材（ばね）、２８・・・ファインダ切換部材、
３２・・・レンズユニット、３４・・・短焦点レンズ系
、３５・・・長焦点レンズ系、３６・・・ばね。
’、 ６ ’５
′７ ＆FIG. 1 is a front view showing a simplified example of the external appearance of a camera having the device of the present invention, FIG. 2 is a vertical side view showing the lens barrel of the camera, and FIG. 3 is a focal length switching mechanism of the camera. FIG. 4 is a plan view showing a part of the embodiment of the present invention incorporated in the camera, FIG. 5 is a partially cutaway front view of the same, and FIG. FIG. 7 is a longitudinal sectional side view showing another part, FIG. 7 is a front view of the same, and FIG. 8 is a cross-sectional plan view of the same. 3... Distance adjustment member (distance ring), 9... Lens holding cylinder, Ll, L2. L3... Distance adjustment lens system, L. Ls, Le, L7...Auxiliary lens system, 22...
24... Second lever, 26... Stroke absorbing member (spring), 28... Finder switching member,
32... Lens unit, 34... Short focus lens system, 35... Long focus lens system, 36... Spring. ', 6 '5 '7 &
Claims (1)
ることにより距離調節レンズを進退させると共に、補助
レンズを挿脱するようにした２焦点距離カメラにおいて
、短焦点域と長焦点域との間での切換時に移動する第ル
バーと、第ルバーの移動に追随して第２レバーを移動さ
せると共に、第ルバーと第２レバーのストローク差を吸
収するストローク吸収部材と、短焦点用レンズと長焦点
用レンズとを有していて、上記第２レバーの移動により
上記短焦点用レンズ又は長焦点用レンズを選択的にファ
インダ光路上に持ち来たすレンズユニットとを有してな
るファインダ切換装置。 ２ レンズユニットは、回動可能に支持されてなる実用
新案登録請求の範囲第１項記載の２焦点距離カメラのフ
ァインダ切換装置。[Scope of Claim for Utility Model Registration] 1. A bifocal length camera in which a distance adjusting member is operated between a short focal length range and a long focal length range to move the distance adjusting lens forward and backward and to insert and remove an auxiliary lens. , a first lever that moves when switching between the short focus range and the long focus range, and a stroke that moves the second lever following the movement of the first lever and absorbs the stroke difference between the first lever and the second lever. A lens unit comprising an absorbing member, a short focus lens, and a long focus lens, the short focus lens or the long focus lens being selectively brought onto a finder optical path by movement of the second lever; A finder switching device comprising: 2. A finder switching device for a dual focal length camera according to claim 1, wherein the lens unit is rotatably supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2331882U JPS58126433U (en) | 1982-02-20 | 1982-02-20 | Viewfinder switching device for dual focal length cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2331882U JPS58126433U (en) | 1982-02-20 | 1982-02-20 | Viewfinder switching device for dual focal length cameras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58126433U true JPS58126433U (en) | 1983-08-27 |
Family
ID=30035363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2331882U Pending JPS58126433U (en) | 1982-02-20 | 1982-02-20 | Viewfinder switching device for dual focal length cameras |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58126433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07319009A (en) * | 1991-11-01 | 1995-12-08 | Nikon Corp | Optical system changeover type camera |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53149319A (en) * | 1977-06-01 | 1978-12-26 | Fuji Photo Film Co Ltd | Lens system changeover type camera |
-
1982
- 1982-02-20 JP JP2331882U patent/JPS58126433U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53149319A (en) * | 1977-06-01 | 1978-12-26 | Fuji Photo Film Co Ltd | Lens system changeover type camera |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07319009A (en) * | 1991-11-01 | 1995-12-08 | Nikon Corp | Optical system changeover type camera |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60193536U (en) | Shooting lens selection type camera | |
| JPS58126433U (en) | Viewfinder switching device for dual focal length cameras | |
| JPS58100327U (en) | Bifocal camera open aperture information output mechanism | |
| JPS58178127U (en) | camera | |
| JPS5989326U (en) | Variable focus camera with a viewing frame on the lens barrel | |
| JPS58144311U (en) | Autofocus camera lens extension mechanism | |
| JPS58128407U (en) | Click mechanism for bifocal length lens system | |
| JPS5963344U (en) | Focus switching lock device for variable focus camera | |
| JPS58103025U (en) | Received light amount conversion mechanism for dual focal length camera | |
| JPH0610353Y2 (en) | Camera parallax correction mechanism | |
| JPS58103026U (en) | Received light amount conversion mechanism for dual focal length camera | |
| JPS59170835U (en) | Single-lens reflex electronic camera with optical low-pass filter | |
| JPH02119632U (en) | ||
| JPH01140523U (en) | ||
| JPS5836720U (en) | flash photography device | |
| JPS59176008U (en) | Camera focal length variable device | |
| JPS60115228U (en) | Variable focus camera viewfinder switching mechanism | |
| JPS59144632U (en) | Finder device in lens switching camera | |
| JPH01105932U (en) | ||
| JPS58152624U (en) | camera with strobe | |
| JPH01140522U (en) | ||
| JPS63191327U (en) | ||
| JPH02119629U (en) | ||
| JPS594515U (en) | Auxiliary lens for auto focus camera | |
| JPS5823315U (en) | Automatic fringing drive device for single-lens reflex camera lenses |