JPS59131704U - zoom lens for camera - Google Patents
zoom lens for cameraInfo
- Publication number
- JPS59131704U JPS59131704U JP2439783U JP2439783U JPS59131704U JP S59131704 U JPS59131704 U JP S59131704U JP 2439783 U JP2439783 U JP 2439783U JP 2439783 U JP2439783 U JP 2439783U JP S59131704 U JPS59131704 U JP S59131704U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- electric motor
- battery
- camera
- electric circuit
- 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
- Lens Barrels (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面はこの考案に係るカメラ用ズームレンズの一実施例
を示したもので、第１図は側面図、第２図は正面図、第
３図は鏡筒を縦断した側面図、第４図はレンズ群の説明
図である。
１〜鏡筒、２°〜カム筒、３構変倍レンズ、４〜補正レ
ンズ、５．６〜移動環、７構前群レンズ、８〜移動筒、
９〜ケ一ス体、１０．１１〜電動機、１２〜電池、１３
〜大歯車、１４．１６〜減速機 ７構、１５〜環状大歯
車、１７〜切換スイツチ、１８〜転換器。The drawings show an embodiment of the zoom lens for a camera according to this invention. Fig. 1 is a side view, Fig. 2 is a front view, Fig. 3 is a side view taken vertically through the lens barrel, and Fig. 4 is a side view. FIG. 3 is an explanatory diagram of a lens group. 1 - lens barrel, 2° - cam barrel, 3 - variable magnification lens, 4 - correction lens, 5.6 - moving ring, 7 front group lens, 8 - moving barrel,
9-Casing body, 10.11-Electric motor, 12-Battery, 13
~ Large gear, 14.16 ~ 7 speed reducers, 15 ~ Annular large gear, 17 ~ Changeover switch, 18 ~ Converter.
Claims (1)
倍レンズ３及び補正レンズ４をそれぞれ固定した移動環
５．６を前進及び後退さ′せて焦点距離を変倍し、又前
群レンズ７を固定した移動筒８を回動させることにより
前群レンズ７を前進及び後退させて焦点調整を行うよう
にしたカメラ用ズームレンズにおいて前記鏡筒１の下側
に連設したケース体９内に電動機１０．１１及び電池１
２を収容すると共に、その一方の電動機１０は、前記カ
ム筒２に設けた大歯車１３に減速機構１４を介して連結
させ、他方の電動機１１は前記移動筒８と係合する環状
大歯車１５に減速機構１６を介して連結させ、更に前記
電動機１０と電池１２間を結ぶ第１電気回路及び電動機
１１と電池１２間を結ぶ第２電気回路中に共通に介在す
る切換スイッチ１７と、前記第１電気回路及び第２電気
回路を変換する転換器１８とを鏡筒１に取付けたことを
特徴とするカメラ用ズームレンズ。By rotating the cam barrel 2 installed in the lens barrel 1, the movable ring 5.6 to which the variable magnification lens 3 and the correction lens 4 are respectively fixed is moved forward and backward to change the focal length. A case body connected to the lower side of the lens barrel 1 in a zoom lens for a camera in which focus adjustment is performed by moving a front group lens 7 forward and backward by rotating a movable tube 8 to which a group lens 7 is fixed. Electric motor 10, 11 and battery 1 in 9
2, one electric motor 10 is connected to a large gear 13 provided on the cam cylinder 2 via a reduction mechanism 14, and the other electric motor 11 is connected to a large annular gear 15 that engages with the movable cylinder 8. A changeover switch 17 is connected to the motor 10 and the battery 12 via a deceleration mechanism 16, and is commonly interposed in a first electric circuit connecting the electric motor 10 and the battery 12 and a second electric circuit connecting the electric motor 11 and the battery 12; A zoom lens for a camera, characterized in that a converter 18 for converting a first electric circuit and a second electric circuit is attached to a lens barrel 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2439783U JPS59131704U (en) | 1983-02-23 | 1983-02-23 | zoom lens for camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2439783U JPS59131704U (en) | 1983-02-23 | 1983-02-23 | zoom lens for camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59131704U true JPS59131704U (en) | 1984-09-04 |
Family
ID=30155440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2439783U Pending JPS59131704U (en) | 1983-02-23 | 1983-02-23 | zoom lens for camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59131704U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5256530A (en) * | 1975-11-05 | 1977-05-10 | Minolta Camera Co Ltd | Wired remote control device for objective lens |
-
1983
- 1983-02-23 JP JP2439783U patent/JPS59131704U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5256530A (en) * | 1975-11-05 | 1977-05-10 | Minolta Camera Co Ltd | Wired remote control device for objective lens |
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