JPH01173716U - - Google Patents
Info
- Publication number
- JPH01173716U JPH01173716U JP7162888U JP7162888U JPH01173716U JP H01173716 U JPH01173716 U JP H01173716U JP 7162888 U JP7162888 U JP 7162888U JP 7162888 U JP7162888 U JP 7162888U JP H01173716 U JPH01173716 U JP H01173716U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group lens
- rear group
- holder
- fixed tube
- 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 description 2
Landscapes
- Lenses (AREA)
- Lens Barrels (AREA)
Description
第１図は本考案に係る変倍装置を装着したカメ
ラの外観図である。第２図は本考案に係る変倍装
置のノーマル状態の垂直断面図である。第３図は
第２図の変倍装置のレンズ防護状態の垂直断面図
である。第４図は第２図の変倍装置の超広角状態
の垂直断面図である。第５図は本考案に係る変倍
装置の要部分解斜視図である。
１０……変倍装置、１１……カメラ、１２……
前群レンズ、１２ａ……超広角用前群レンズ、１
２ｂ……ノーマル用前群レンズ、１３……回転レ
ンズホルダ、１３ａ……ガード部材、１６……固
定鏡筒、１７……前カバー、２６……光軸。
FIG. 1 is an external view of a camera equipped with a variable magnification device according to the present invention. FIG. 2 is a vertical sectional view of the variable power device according to the present invention in its normal state. FIG. 3 is a vertical cross-sectional view of the variable magnification device of FIG. 2 in a lens protected state. FIG. 4 is a vertical sectional view of the variable magnification device of FIG. 2 in an ultra-wide angle state. FIG. 5 is an exploded perspective view of essential parts of the variable power device according to the present invention. 10... Magnification variable device, 11... Camera, 12...
Front group lens, 12a...Ultra wide-angle front group lens, 1
2b... Normal front group lens, 13... Rotating lens holder, 13a... Guard member, 16... Fixed lens barrel, 17... Front cover, 26... Optical axis.
Claims (1)
光軸と直交する軸を中心にして固定筒に対して回
動自在に設けられたレンズホルダと、このレンズ
ホルダに設けられた前群レンズ、レンズカバー、
開口窓とからなり、レンズホルダの回転位置を選
択することによつて、後群レンズの前方に前群レ
ンズ、レンズカバー、開口窓を択一して整列させ
るようにしたことを特徴とする変倍装置。 A fixed tube with a built-in rear group lens, a lens holder that is rotatable with respect to the fixed tube around an axis perpendicular to the optical axis of the rear group lens, and a front group lens installed in this lens holder. , lens cover,
and an aperture window, and by selecting the rotational position of the lens holder, the front group lens, lens cover, and aperture window can be selectively aligned in front of the rear group lens. Double device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7162888U JPH01173716U (en) | 1988-05-30 | 1988-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7162888U JPH01173716U (en) | 1988-05-30 | 1988-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01173716U true JPH01173716U (en) | 1989-12-11 |
Family
ID=31296830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7162888U Pending JPH01173716U (en) | 1988-05-30 | 1988-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01173716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015173313A1 (en) * | 2014-05-16 | 2015-11-19 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Laser machining head comprising a lens-changing system |
-
1988
- 1988-05-30 JP JP7162888U patent/JPH01173716U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015173313A1 (en) * | 2014-05-16 | 2015-11-19 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Laser machining head comprising a lens-changing system |
| DE102014209308B4 (en) * | 2014-05-16 | 2016-12-15 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Laser processing head with lens change system |
| CN106457469A (en) * | 2014-05-16 | 2017-02-22 | 通快机床两合公司 | Laser machining head comprising a lens-changing system |
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