JPS6074114U - zoom lens barrel - Google Patents
zoom lens barrelInfo
- Publication number
- JPS6074114U JPS6074114U JP16599183U JP16599183U JPS6074114U JP S6074114 U JPS6074114 U JP S6074114U JP 16599183 U JP16599183 U JP 16599183U JP 16599183 U JP16599183 U JP 16599183U JP S6074114 U JPS6074114 U JP S6074114U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- barrel
- cam
- zoom lens
- zoom operation
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図はこの考案の実施例の半断面側面図。第2図はそ
の部分的分解斜視図。第3図は直線みぞとカムみぞとの
交差状態を示すカム筒の展開図。
第4図は従来の調整手段の一例を示す斜視図。
図中、1・・・固定筒、1a・・・外筒、1b・・・内
筒、2a・・・透孔、2b・・・雄ねじ、2c、2d・
・・直線みぞ、3・・・カム筒、3a、3b・・・カム
みぞ、4・・・第1移動レンズ枠、4a・・・ピン、5
・・・第2移動レンズ枠、5a・・・ピン、6・・・ズ
ーム操作環、6b・・・環状みぞ、6′・・・目盛環、
6e’・・・光軸方向みぞ、7・・・外装環。FIG. 1 is a half-sectional side view of an embodiment of this invention. FIG. 2 is a partially exploded perspective view. FIG. 3 is a developed view of the cam cylinder showing the intersection of the straight groove and the cam groove. FIG. 4 is a perspective view showing an example of a conventional adjustment means. In the figure, 1...Fixed tube, 1a...Outer tube, 1b...Inner tube, 2a...Through hole, 2b...Male thread, 2c, 2d...
... Straight line groove, 3... Cam tube, 3a, 3b... Cam groove, 4... First movable lens frame, 4a... Pin, 5
...Second movable lens frame, 5a...pin, 6...zoom operation ring, 6b...annular groove, 6'...scale ring,
6e'... Optical axis direction groove, 7... Exterior ring.
Claims (1)
有する固定筒内筒1bの外周に、光学系の焦点距離を調
節するための複数のカムみぞ3at3bを備えたカム筒
3を回動するように嵌合する形式のズームレンズにおい
て、カム筒3にはカムみぞ3a、3bに併せて二つのピ
ン3C93dを植設し、その一つのピン3dを固定筒外
筒1aに螺合したズーム操作環6の内面に形成した環状
みぞ6bに係合し、他のピン3Cをズーム操作環6の前
側に所要時に回動できるように取付けた目盛環6′の内
面の光軸方向みぞ6e’に係合さ−せ、ズーム操作環6
と目盛環6′の嵌挿部表面に擬革製の外装環7を被嵌さ
せてなるズームレンズの鏡胴。A cam cylinder 3 having a plurality of cam grooves 3at3b for adjusting the focal length of the optical system is rotated on the outer periphery of a fixed cylinder inner cylinder 1b having linear grooves for moving a plurality of movable lens frames in the optical axis direction. In a zoom lens that fits like this, two pins 3C93d are implanted in the cam barrel 3 along with the cam grooves 3a and 3b, and one of the pins 3d is screwed into the fixed barrel outer barrel 1a for zoom operation. It engages with the annular groove 6b formed on the inner surface of the ring 6, and the other pin 3C is fitted into the optical axis direction groove 6e' on the inner surface of the scale ring 6', which is attached to the front side of the zoom operation ring 6 so as to be rotatable when required. Engage and zoom operation ring 6
A lens barrel of a zoom lens in which an exterior ring 7 made of fake leather is fitted onto the fitting surface of a scale ring 6'.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16599183U JPS6074114U (en) | 1983-10-28 | 1983-10-28 | zoom lens barrel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16599183U JPS6074114U (en) | 1983-10-28 | 1983-10-28 | zoom lens barrel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6074114U true JPS6074114U (en) | 1985-05-24 |
Family
ID=30363513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16599183U Pending JPS6074114U (en) | 1983-10-28 | 1983-10-28 | zoom lens barrel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6074114U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019066894A (en) * | 2019-02-04 | 2019-04-25 | 株式会社nittoh | Adjustment device for generatrix-circumferential direction angle of cylindrical lens, and lens barrel having adjustment device for generatrix-circumferential direction angle of cylindrical lens |
JP2019066893A (en) * | 2019-02-04 | 2019-04-25 | 株式会社nittoh | Adjustment device for generatrix-circumferential direction angle of cylindrical lens, and lens barrel having adjustment device for generatrix-circumferential direction angle of cylindrical lens |
-
1983
- 1983-10-28 JP JP16599183U patent/JPS6074114U/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019066894A (en) * | 2019-02-04 | 2019-04-25 | 株式会社nittoh | Adjustment device for generatrix-circumferential direction angle of cylindrical lens, and lens barrel having adjustment device for generatrix-circumferential direction angle of cylindrical lens |
JP2019066893A (en) * | 2019-02-04 | 2019-04-25 | 株式会社nittoh | Adjustment device for generatrix-circumferential direction angle of cylindrical lens, and lens barrel having adjustment device for generatrix-circumferential direction angle of cylindrical lens |
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