JPS62118217U - - Google Patents
Info
- Publication number
- JPS62118217U JPS62118217U JP452286U JP452286U JPS62118217U JP S62118217 U JPS62118217 U JP S62118217U JP 452286 U JP452286 U JP 452286U JP 452286 U JP452286 U JP 452286U JP S62118217 U JPS62118217 U JP S62118217U
- Authority
- JP
- Japan
- Prior art keywords
- moving ring
- holds
- optical axis
- guide bar
- zoom 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
- 230000003287 optical effect Effects 0.000 claims 2
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案に係るズームレンズ鏡筒の実施
例の要部断面図、第２図はその要部正面図、第３
図は従来例のズームレンズ鏡筒の縦断面図、第４
図はその移動環の拡大正面図、第５図は第４図の
Ａ−Ａ線断面図である。
Ｌ１２……変倍レンズ、Ｌ１３……補正レンズ
、２３……変倍移動環、２４……補正移動環、２
３ａ，２４ａ……スリーブ嵌合部の前側部、２３
ｂ，２４ｂ……スリーブ嵌合部の後側部、２５…
…ガイドバー、４０……スリーブ部材、４０ａ…
…案内部、４０ｂ……軸コロ。
FIG. 1 is a cross-sectional view of the main parts of an embodiment of the zoom lens barrel according to the present invention, FIG. 2 is a front view of the main parts, and FIG.
The figure is a longitudinal sectional view of a conventional zoom lens barrel.
The figure is an enlarged front view of the moving ring, and FIG. 5 is a sectional view taken along the line A--A in FIG. 4. L 12 ... variable power lens, L 13 ... correction lens, 23 ... variable power moving ring, 24 ... correction moving ring, 2
3a, 24a...Front side part of sleeve fitting part, 23
b, 24b... Rear side of sleeve fitting part, 25...
...Guide bar, 40...Sleeve member, 40a...
...Guide part, 40b...Shaft roller.
Claims (1)
に変倍レンズを保持する変倍移動環と補正レンズ
を保持する補正移動環をそれぞれ光軸方向に移動
するようスリーブ嵌合部で嵌合されているズーム
レンズ鏡筒において、該スリーブ嵌合部の一方の
嵌合径の大きい部分に該ガイドバーに嵌合する案
内部とカム筒のカム溝に係合する軸コロとる一体
成形したスリーブ部材を固着して成るズームレン
ズ鏡筒。 A variable magnification moving ring that holds a variable magnification lens and a correction moving ring that holds a correction lens are fitted to a guide bar supported in a fixed cylinder parallel to the optical axis at a sleeve fitting portion so as to move in the optical axis direction. In the zoom lens barrel, one part of the sleeve fitting part has a large fitting diameter and is integrally formed with a guide part that fits into the guide bar and a shaft roller that engages with the cam groove of the cam barrel. A zoom lens barrel made of fixed parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP452286U JPS62118217U (en) | 1986-01-18 | 1986-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP452286U JPS62118217U (en) | 1986-01-18 | 1986-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62118217U true JPS62118217U (en) | 1987-07-27 |
Family
ID=30785257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP452286U Pending JPS62118217U (en) | 1986-01-18 | 1986-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62118217U (en) |
-
1986
- 1986-01-18 JP JP452286U patent/JPS62118217U/ja active Pending