JPS61137917U - - Google Patents
Info
- Publication number
- JPS61137917U JPS61137917U JP2230985U JP2230985U JPS61137917U JP S61137917 U JPS61137917 U JP S61137917U JP 2230985 U JP2230985 U JP 2230985U JP 2230985 U JP2230985 U JP 2230985U JP S61137917 U JPS61137917 U JP S61137917U
- Authority
- JP
- Japan
- Prior art keywords
- distance
- larger
- image photographs
- fresnel lens
- registration request
- 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 4
- 230000001179 pupillary effect Effects 0.000 claims description 2
- 210000001747 pupil Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Description
第１図はこの考案の実施例の略縦断面図、第２
図は同実施例におけるフレネルレンズと画像写真
との位置関係を示す平面図、第３図は同実施例の
動作説明のための光路図、第４図及び第５図は従
来の立体写真観察器の説明図である。
１２……画像写真、１３及び１３Ｒ……フレネ
ルレンズ、１４及び１４Ｒ……両眼、ＯＬ及びＯ
Ｒ……フレネルレンズの光学中心、Ｄ……瞳孔間
隔、ｄ……画像中心間隔、Ｌ……フレネルレンズ
の光学中心間距離。
Figure 1 is a schematic vertical cross-sectional view of an embodiment of this invention;
The figure is a plan view showing the positional relationship between the Fresnel lens and the image photograph in the same embodiment, FIG. 3 is an optical path diagram for explaining the operation of the same embodiment, and FIGS. 4 and 5 are conventional stereophotographic observation devices. FIG. 12...Image photograph, 13 and 13R...Fresnel lens, 14 and 14R...binocular, OL and O
R...Optical center of Fresnel lens, D...Pupillary distance, d...Image center distance, L...Distance between optical centers of Fresnel lens.
Claims (1)
右の画像写真と、左右の各眼と上記各画像写真と
の間にそれぞれ介在するフレネルレンズとよりな
り、これらフレネルレンズの光学中心間の距離は
上記瞳孔間隔より大きく選ばれている立体写真観
察器。 It consists of left and right image photographs located with a center distance larger than the pupil distance, and a Fresnel lens interposed between each of the left and right eyes and each of the above image photographs, and the distance between the optical centers of these Fresnel lenses is as described above. A stereoscopic photographic observation device that is selected to be larger than the pupillary distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2230985U JPS61137917U (en) | 1985-02-18 | 1985-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2230985U JPS61137917U (en) | 1985-02-18 | 1985-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61137917U true JPS61137917U (en) | 1986-08-27 |
Family
ID=30514487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2230985U Pending JPS61137917U (en) | 1985-02-18 | 1985-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61137917U (en) |
-
1985
- 1985-02-18 JP JP2230985U patent/JPS61137917U/ja active Pending
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