JPS59176001U - Imaging optical system using molded lens - Google Patents
Imaging optical system using molded lensInfo
- Publication number
- JPS59176001U JPS59176001U JP6929583U JP6929583U JPS59176001U JP S59176001 U JPS59176001 U JP S59176001U JP 6929583 U JP6929583 U JP 6929583U JP 6929583 U JP6929583 U JP 6929583U JP S59176001 U JPS59176001 U JP S59176001U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- imaging optical
- molded lens
- molded
- light
- 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
- Focusing (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図は従来の遮光枠の構成を示す断面図、第２図は本
考案に係る光学系の構成を示す斜視図、第３図は本考案
に係るモールドレンズの構成を示すもので、ａはモール
ドレンズの光軸を含む断面図、ｂはモールドレンズの光
軸に垂直な断面図である。
Ｌ・・・レンズ、Ｓ・・・遮光枠、Ｘ・・・光軸、１，
２・・・撮影レンズ前群、３・・・絞り、４・・・撮影
レンズ後群、ｌａ、４ａ・・・遮光溝、５・・・撮影画
面。Fig. 1 is a sectional view showing the structure of a conventional light-shielding frame, Fig. 2 is a perspective view showing the structure of an optical system according to the present invention, and Fig. 3 is a diagram showing the structure of a molded lens according to the present invention. is a sectional view including the optical axis of the molded lens, and b is a sectional view perpendicular to the optical axis of the molded lens. L...lens, S...shading frame, X...optical axis, 1,
2... Photographing lens front group, 3... Aperture, 4... Photographing lens rear group, la, 4a... Light shielding groove, 5... Photographing screen.
Claims (3)
モールドレンズの少なくとも１つのモールドレンズの外
周部に該結像光学系の有効結像面の荊状に応じた形状の
遮光加工を施した遮光溝を設けたことを特徴とするモー
ルドレンズを用いた結像光学系。(1) An imaging optical system using molded lenses, in which at least one of the molded lenses has a light-shielding process on the outer periphery of the molded lens in a shape corresponding to the peg shape of the effective imaging surface of the imaging optical system. An imaging optical system using a molded lens characterized by having a light-shielding groove.
レンズは該絞りから光軸１離れた位置に設けられている
ことを特徴とする実用新案登録請求の範囲第（１）項記
載のモールドレンズを用いた結像光学系。(2) The imaging optical system has a diaphragm, and the molded lens is provided at a position one optical axis away from the diaphragm. Imaging optical system using molded lenses.
る実用新案登録請求の範囲第（１）項又は第（２）項記
載のモールドレンズを用いた結像光学系。(3) An imaging optical system using a molded lens according to claim 1 or 2, wherein the light shielding groove has a rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6929583U JPS59176001U (en) | 1983-05-10 | 1983-05-10 | Imaging optical system using molded lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6929583U JPS59176001U (en) | 1983-05-10 | 1983-05-10 | Imaging optical system using molded lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59176001U true JPS59176001U (en) | 1984-11-24 |
Family
ID=30199449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6929583U Pending JPS59176001U (en) | 1983-05-10 | 1983-05-10 | Imaging optical system using molded lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59176001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000162498A (en) * | 1998-11-25 | 2000-06-16 | Matsushita Electric Works Ltd | Wide angle lens |
-
1983
- 1983-05-10 JP JP6929583U patent/JPS59176001U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000162498A (en) * | 1998-11-25 | 2000-06-16 | Matsushita Electric Works Ltd | Wide angle lens |
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