JPS59153502U - macro zoom lens - Google Patents
macro zoom lensInfo
- Publication number
- JPS59153502U JPS59153502U JP4739383U JP4739383U JPS59153502U JP S59153502 U JPS59153502 U JP S59153502U JP 4739383 U JP4739383 U JP 4739383U JP 4739383 U JP4739383 U JP 4739383U JP S59153502 U JPS59153502 U JP S59153502U
- Authority
- JP
- Japan
- Prior art keywords
- macro
- optical axis
- axis direction
- plate cam
- lens system
- 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図は本考案の実施例の断面図、第２図は第１図のマ
クロつまみとマクロ伝達板の保合部の拡大図である。
〔主要部分の符号の説明〕、Ｌｌ・・・・・・合焦レン
ズ系、Ｌ２．Ｌ３・・・・・・変倍レンズ系、Ｌ４・・
・・・・マクロレンズ系、２・・曲ズーム環、１０・・
曲マクロつまみ、１１・・・・・・板カム、１２・・・
・・・マクロ伝達板、１３・・・・・・周溝。FIG. 1 is a cross-sectional view of an embodiment of the present invention, and FIG. 2 is an enlarged view of the retaining portion of the macro knob and macro transmission plate in FIG. 1. [Explanation of symbols of main parts], Ll...Focusing lens system, L2. L3... variable magnification lens system, L4...
...Macro lens system, 2...Curved zoom ring, 10...
Song macro knob, 11...Plate cam, 12...
... Macro transmission plate, 13 ... Circumferential groove.
Claims (2)
、変倍のために光軸方向に変位する変倍レンズ系と、マ
クロ状態への切換のために光軸方向に変位するマクロレ
ンズ系とを有するマクロズームレンズにおいて、 光軸を中心にして回動操作されて前記変倍レンズ系を光
軸方向に変位させるズーム環と；該ズーム環上にその半
径方向を中心にして回動可能に軸支されたマクロつまみ
と； 該マクロつまみと一体的に回動可能であって、前記ズー
ム環の内周部から突出した板カムと；前記ズーム環の内
周側において光軸方向に変位可能なマスク伝達板とを有
し、 該伝達板は、前記板カムとマクロレンズとに連係してお
り、該板カムの半径方向を中心にしだ回動に伴い光軸方
向に変位して前記マクロレンズを光軸方向に変位させ、
該板カムの光軸を中心にした回動では光軸方向に変位す
ることがないように構成されていることを特徴とするマ
クロズームレンズ。(1) A focusing lens system that is displaced in the optical axis direction for focusing, a variable magnification lens system that is displaced in the optical axis direction for zooming, and a magnification lens system that is displaced in the optical axis direction for switching to the macro state. a macro zoom lens having a macro lens system, the zoom ring being rotatably operated around the optical axis to displace the variable power lens system in the optical axis direction; a macro knob rotatably supported by a shaft; a plate cam rotatable integrally with the macro knob and protruding from an inner periphery of the zoom ring; It has a mask transmission plate that is displaceable in the axial direction, and the transmission plate is linked to the plate cam and the macro lens, and is moved in the optical axis direction as the plate cam rotates about the radial direction. displacing the macro lens in the optical axis direction;
A macro zoom lens characterized in that the plate cam is configured so as not to be displaced in the optical axis direction when the plate cam is rotated about the optical axis.
有し、前記板カムは該周溝内に嵌入されていることを特
徴とする実用新案登録請求の範囲第１項記載のマクロズ
ームレンズ。(2) The macro transmission plate has a circumferential groove extending in the circumferential direction.
The macro zoom lens according to claim 1, wherein the plate cam is fitted into the circumferential groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4739383U JPS59153502U (en) | 1983-03-31 | 1983-03-31 | macro zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4739383U JPS59153502U (en) | 1983-03-31 | 1983-03-31 | macro zoom lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59153502U true JPS59153502U (en) | 1984-10-15 |
Family
ID=30177941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4739383U Pending JPS59153502U (en) | 1983-03-31 | 1983-03-31 | macro zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59153502U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5063919A (en) * | 1973-10-08 | 1975-05-30 | ||
| JPS57124317A (en) * | 1981-01-24 | 1982-08-03 | Nippon Kogaku Kk <Nikon> | Lens barrel |
-
1983
- 1983-03-31 JP JP4739383U patent/JPS59153502U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5063919A (en) * | 1973-10-08 | 1975-05-30 | ||
| JPS57124317A (en) * | 1981-01-24 | 1982-08-03 | Nippon Kogaku Kk <Nikon> | Lens barrel |
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