JPS5958420U - Lens flare prevention device - Google Patents
Lens flare prevention deviceInfo
- Publication number
- JPS5958420U JPS5958420U JP15302582U JP15302582U JPS5958420U JP S5958420 U JPS5958420 U JP S5958420U JP 15302582 U JP15302582 U JP 15302582U JP 15302582 U JP15302582 U JP 15302582U JP S5958420 U JPS5958420 U JP S5958420U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- prevention device
- light shielding
- lens system
- flare prevention
- 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
- Optical Elements Other Than Lenses (AREA)
- Lens Barrels (AREA)
- Blocking Light For Cameras (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図は本考案のレンズ系によって得られる像面の例を
示す正面図、第２図はある種のレンズ系を通して光が上
記像面の各点に到達する状態を示す光学配置図、第３図
は上記像面を形成するに必要なレンズの有効範囲の例を
示す正面図、第４図は本考案の一実施例を示す光学配置
図、第５図は本考案の他の実施例を示す側面断面図、第
６図は本考案のさらに他の実施例を示す一つのレンズの
側面断面図、第７図は同上実施例の背面図、第８図は本
考案のさらに他の実施例を示すブつのレンズの側面断面
図である。
３・・・絞り、５・・・最終レンズ、６・・・固定絞り
、７ａ・・・レンズ押え、１２・・・塗装又は墨塗り部
分、１３、ａ・・・遮光溝。FIG. 1 is a front view showing an example of the image plane obtained by the lens system of the present invention, FIG. 2 is an optical layout diagram showing the state in which light reaches each point on the image plane through a certain type of lens system, Figure 3 is a front view showing an example of the effective range of the lens necessary to form the image plane, Figure 4 is an optical layout diagram showing one embodiment of the present invention, and Figure 5 is another embodiment of the present invention. FIG. 6 is a side sectional view of one lens showing still another embodiment of the present invention, FIG. 7 is a rear view of the same embodiment, and FIG. 8 is a still another embodiment of the present invention. FIG. 3 is a side cross-sectional view of an example lens. 3... Aperture, 5... Final lens, 6... Fixed aperture, 7a... Lens holder, 12... Painted or blackened portion, 13, a... Light shielding groove.
Claims (1)
、矩形又は矩形と円を合成してなる光軸に対し回転非対
称な形状の開口をもつ遮光体を配設したことを特徴とす
るフレア防止装置。 ２ 遮光体は、固定絞りである実用新案登録請求の範囲
第１項記載のレンズ系のフレア防止装置。 ３ 遮光体は、レンズ鏡筒内のレンズ押えである実用新
案登録請求の範囲第１項記載のレンズ系のフレア防止装
置。 ４ 遮光体は、レンズ研摩面への塗装又は墨塗りである
実用新案登録請求の範囲第１項記載のレンズ系のフレア
防止装置。 ５ 遮光体は、レンズのコバ面に施された遮光溝である
実用新案登録請求の範囲第１項記載のレンズ系のフレア
防止装置。[Claims for Utility Model Registration] 1. A lens system that is rotationally symmetrical with respect to the optical axis. A flare characterized in that a light shielding body having an aperture having a rectangular shape or a rotationally asymmetrical shape with respect to the optical axis formed by combining a rectangular shape and a circle is arranged behind the aperture stop and in front of the final lens. Prevention device. 2. The flare prevention device for a lens system according to claim 1, wherein the light shielding body is a fixed aperture. 3. The flare prevention device for a lens system according to claim 1, wherein the light shielding body is a lens holder in a lens barrel. 4. The flare prevention device for a lens system according to claim 1, wherein the light shielding member is painted or blackened on the polished surface of the lens. 5. The flare prevention device for a lens system according to claim 1, wherein the light shielding member is a light shielding groove provided on the edge surface of the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15302582U JPS5958420U (en) | 1982-10-08 | 1982-10-08 | Lens flare prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15302582U JPS5958420U (en) | 1982-10-08 | 1982-10-08 | Lens flare prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5958420U true JPS5958420U (en) | 1984-04-16 |
Family
ID=30338673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15302582U Pending JPS5958420U (en) | 1982-10-08 | 1982-10-08 | Lens flare prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5958420U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6129826A (en) * | 1984-07-23 | 1986-02-10 | Canon Inc | Lens fastening member |
| JPS6168223U (en) * | 1984-06-16 | 1986-05-10 | ||
| JPS61226725A (en) * | 1985-03-30 | 1986-10-08 | Shimadzu Corp | Head-up display |
| JPS62119606U (en) * | 1986-01-22 | 1987-07-29 | ||
| WO2017090670A1 (en) * | 2015-11-24 | 2017-06-01 | カムイ・イノベーション株式会社 | Ghost reducing device, imaging device including same, ghost reducing method, and imaging optical system |
-
1982
- 1982-10-08 JP JP15302582U patent/JPS5958420U/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6168223U (en) * | 1984-06-16 | 1986-05-10 | ||
| JPS6129826A (en) * | 1984-07-23 | 1986-02-10 | Canon Inc | Lens fastening member |
| JPS61226725A (en) * | 1985-03-30 | 1986-10-08 | Shimadzu Corp | Head-up display |
| JPS62119606U (en) * | 1986-01-22 | 1987-07-29 | ||
| WO2017090670A1 (en) * | 2015-11-24 | 2017-06-01 | カムイ・イノベーション株式会社 | Ghost reducing device, imaging device including same, ghost reducing method, and imaging optical system |
| US10845674B2 (en) | 2015-11-24 | 2020-11-24 | Kamuy Innovation Corporation | Ghost reducing device, imaging device including same, ghost reducing method, and imaging optical system |
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