JPS58195204U - Cam ring for zoom lens - Google Patents
Cam ring for zoom lensInfo
- Publication number
- JPS58195204U JPS58195204U JP9292582U JP9292582U JPS58195204U JP S58195204 U JPS58195204 U JP S58195204U JP 9292582 U JP9292582 U JP 9292582U JP 9292582 U JP9292582 U JP 9292582U JP S58195204 U JPS58195204 U JP S58195204U
- Authority
- JP
- Japan
- Prior art keywords
- cam ring
- variable power
- lens group
- zoom lens
- lens
- 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図はズームレンズの断面図、第２図は従来のカム環
の展開図、第３図は本考案によるカム環片の斜視図、第
４図は第３図のカム環片の展開図である。
１３・・・・・・カムｉ、１７． １８． １９−−−
−−−カム環片、２０・・・・・・凸ピン、２１・・・
・・・凹孔、１５．１６・・・・・・カム溝。Fig. 1 is a sectional view of the zoom lens, Fig. 2 is a developed view of a conventional cam ring, Fig. 3 is a perspective view of a cam ring piece according to the present invention, and Fig. 4 is a developed view of the cam ring piece of Fig. 3. It is. 13...cam i, 17. 18. 19---
---Cam ring piece, 20... Convex pin, 21...
... Recessed hole, 15.16 ... Cam groove.
Claims (1)
を補正するための補正レンズ群と、該変倍レンズ群と該
補正レンズ群をズーミング操作によって同時に所期位置
に移動させるカム環よりなるズームレンズの前記カム環
において、複数に分割成形したカム環片を、合体接合す
ることによって前記両レンズ群のレンズ枠との保合用溝
を構成することを特徴としたズームレンズ用カム環。A variable power lens group for variable power, a correction lens group for correcting aberrations caused by variable power, and a cam ring for simultaneously moving the variable power lens group and the correction lens group to a desired position by a zooming operation. The cam ring for a zoom lens is characterized in that a plurality of cam ring pieces formed separately are combined and joined to form a groove for engagement with the lens frames of both the lens groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9292582U JPS58195204U (en) | 1982-06-23 | 1982-06-23 | Cam ring for zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9292582U JPS58195204U (en) | 1982-06-23 | 1982-06-23 | Cam ring for zoom lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58195204U true JPS58195204U (en) | 1983-12-26 |
Family
ID=30223383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9292582U Pending JPS58195204U (en) | 1982-06-23 | 1982-06-23 | Cam ring for zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58195204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63120215U (en) * | 1987-01-27 | 1988-08-03 | ||
| JPS63287919A (en) * | 1987-05-21 | 1988-11-25 | Konica Corp | Zoom lens barrel |
-
1982
- 1982-06-23 JP JP9292582U patent/JPS58195204U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63120215U (en) * | 1987-01-27 | 1988-08-03 | ||
| JPS63287919A (en) * | 1987-05-21 | 1988-11-25 | Konica Corp | Zoom lens barrel |
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