JPH01176807U - - Google Patents
Info
- Publication number
- JPH01176807U JPH01176807U JP7264388U JP7264388U JPH01176807U JP H01176807 U JPH01176807 U JP H01176807U JP 7264388 U JP7264388 U JP 7264388U JP 7264388 U JP7264388 U JP 7264388U JP H01176807 U JPH01176807 U JP H01176807U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- outer peripheral
- imaging plane
- peripheral part
- enter
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案のレンズの一実施例を示す構成
図、第２図、第３図及び第４図は夫々本考案のレ
ンズの他の実施例を示す構成図、第５図は従来の
レンズの一例を示す構成図である。
１０，２０，３０，６０は夫々レンズ、１２，
１４，２３，３２，３４，６１，６２は夫々周辺
部、２４は端面である。
FIG. 1 is a block diagram showing one embodiment of the lens of the present invention, FIGS. 2, 3, and 4 are block diagrams showing other embodiments of the lens of the present invention, and FIG. 5 is a block diagram of a conventional lens. FIG. 2 is a configuration diagram showing an example of a lens. 10, 20, 30, 60 are lenses, 12,
14, 23, 32, 34, 61, and 62 are peripheral portions, respectively, and 24 is an end surface.
Claims (1)
該レンズ外周部の表面形状を中央部とは変化させ
、このレンズ外周部を通る不要光線を上記結像面
に入射しないようにしたことを特徴とするレンズ
。 In a lens that forms an image of incident light on an imaging plane,
A lens characterized in that the surface shape of the outer peripheral part of the lens is different from that of the central part so that unnecessary light rays passing through the outer peripheral part of the lens do not enter the imaging plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7264388U JPH01176807U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7264388U JPH01176807U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01176807U true JPH01176807U (en) | 1989-12-18 |
Family
ID=31297801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7264388U Pending JPH01176807U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01176807U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0561738U (en) * | 1992-01-28 | 1993-08-13 | コニカ株式会社 | Film unit with lens |
| JP2002341222A (en) * | 2001-05-14 | 2002-11-27 | Dainippon Screen Mfg Co Ltd | Image formation optical device |
| JP2005025074A (en) * | 2003-07-04 | 2005-01-27 | Olympus Corp | Image pickup unit |
| JP2013041061A (en) * | 2011-08-12 | 2013-02-28 | Sony Corp | Optical unit, method of producing the same, and image pickup apparatus |
| JP2016224414A (en) * | 2015-05-28 | 2016-12-28 | 株式会社ミツトヨ | Telecentric optical device |
-
1988
- 1988-05-31 JP JP7264388U patent/JPH01176807U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0561738U (en) * | 1992-01-28 | 1993-08-13 | コニカ株式会社 | Film unit with lens |
| JP2002341222A (en) * | 2001-05-14 | 2002-11-27 | Dainippon Screen Mfg Co Ltd | Image formation optical device |
| JP2005025074A (en) * | 2003-07-04 | 2005-01-27 | Olympus Corp | Image pickup unit |
| JP2013041061A (en) * | 2011-08-12 | 2013-02-28 | Sony Corp | Optical unit, method of producing the same, and image pickup apparatus |
| JP2016224414A (en) * | 2015-05-28 | 2016-12-28 | 株式会社ミツトヨ | Telecentric optical device |
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