JPH0343624U - - Google Patents
Info
- Publication number
- JPH0343624U JPH0343624U JP10471489U JP10471489U JPH0343624U JP H0343624 U JPH0343624 U JP H0343624U JP 10471489 U JP10471489 U JP 10471489U JP 10471489 U JP10471489 U JP 10471489U JP H0343624 U JPH0343624 U JP H0343624U
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- optical system
- transparent plates
- prism
- transparent
- 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 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Description
第１図はこの考案に係る液体プリズムを用いた
防振光学系の一実施例を模式的に示す説明図、第
２図は第１図の光学系が傾斜した場合の作用を示
す説明図、第３図はこの考案の色消しプリズムを
用いるのに適した望遠レンズのレンズ断面図、第
４図は第３図に示したレンズの収差図、第５図は
第３図に示したレンズのスポツトダイアグラム、
第６図は第３図のレンズの最も物体側に光路偏向
部を設けた例を示すレンズ断面図、第７図は第６
図のレンズが傾斜した状態を示すレンズ断面図、
第８図は第７図に示した状態でのスポツトダイア
グラムである。
１０……撮像面、２０……撮影レンズ系（結像
光学系）、３０……光路偏向部、３１〜３３……
第１〜第３の透明板、３５，３６……第１、第２
液体プリズム、４０……アクチユエータ（傾動機
構）。
FIG. 1 is an explanatory diagram schematically showing an example of an anti-vibration optical system using a liquid prism according to this invention, and FIG. 2 is an explanatory diagram showing the effect when the optical system of FIG. 1 is tilted. Fig. 3 is a lens cross-sectional view of a telephoto lens suitable for using the achromatic prism of this invention, Fig. 4 is an aberration diagram of the lens shown in Fig. 3, and Fig. 5 is a lens cross-sectional view of the lens shown in Fig. 3. spot diagram,
6 is a cross-sectional view of the lens shown in FIG. 3, showing an example in which the optical path deflection section is provided closest to the object side, and FIG.
A cross-sectional view of the lens showing the tilted state of the lens shown in the figure.
FIG. 8 is a spot diagram in the state shown in FIG. 10... Imaging surface, 20... Photographing lens system (imaging optical system), 30... Optical path deflection unit, 31 to 33...
1st to 3rd transparent plates, 35, 36...first, second
Liquid prism, 40...actuator (tilting mechanism).
Claims (1)
第１、第２の透明板の間に、前記光軸に対して傾
動可能な第３の透明板を設け、第１、第３の透明
板の間に第１の液体を封入して第１液体プリズム
とし、前記第２、第３の透明板の間に第２の液体
を封入して第２液体プリズムとし、第１の液体の
屈折率及びアツベ数をそれぞれｎｄ１，νｄ１、
第２の液体の屈折率及びアツベ数をそれぞれｎｄ
２，νｄ２として、 （ｎｄ１−１）／νｄ１≒（ｎｄ２−１）／ν
ｄ２ の条件を満足する光路偏向部と、 前記撮影光学系が傾斜した場合に、傾斜角度に
応じて前記第３の透明板を傾動させることによつ
て前記各液体プリズムの頂角を変化させて静止画
を得る傾動機構とを備えることを特徴とする色消
し液体プリズムを用いた防振光学系。[Claims for Utility Model Registration] Between an imaging optical system and first and second transparent plates fixed perpendicularly to the optical axis of the imaging optical system, there is provided a first transparent plate that is tiltable with respect to the optical axis. 3 transparent plates are provided, a first liquid is sealed between the first and third transparent plates to form a first liquid prism, and a second liquid is sealed between the second and third transparent plates to form a second liquid prism. A liquid prism is used, and the refractive index and Atsube number of the first liquid are n d1 , ν d1 ,
The refractive index and Atsube number of the second liquid are n d
2 , ν d2 , (nd d1 -1)/ν d1 ≒ (nd 2 -1)/ν
an optical path deflection unit that satisfies the condition d2 ; and when the photographing optical system is tilted, the apex angle of each of the liquid prisms is changed by tilting the third transparent plate according to the tilt angle. A vibration-proof optical system using an achromatic liquid prism, characterized by comprising a tilting mechanism for obtaining a still image.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10471489U JPH0343624U (en) | 1989-09-06 | 1989-09-06 | |
| US07/578,202 US5280387A (en) | 1989-09-06 | 1990-09-06 | Image stabilizing apparatus |
| DE4028359A DE4028359C2 (en) | 1989-09-06 | 1990-09-06 | Image stabilization device |
| GB9019426A GB2235788A (en) | 1989-09-06 | 1990-09-06 | Image stabilizing apparatus |
| US08/026,752 US5461513A (en) | 1989-09-06 | 1993-03-05 | Image stabilizing apparatus |
| GB9318926A GB2268285B (en) | 1989-09-06 | 1993-09-13 | Image stabilizing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10471489U JPH0343624U (en) | 1989-09-06 | 1989-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0343624U true JPH0343624U (en) | 1991-04-24 |
Family
ID=31653498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10471489U Pending JPH0343624U (en) | 1989-09-06 | 1989-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343624U (en) |
-
1989
- 1989-09-06 JP JP10471489U patent/JPH0343624U/ja active Pending
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