JPH01101214U - - Google Patents
Info
- Publication number
- JPH01101214U JPH01101214U JP19601087U JP19601087U JPH01101214U JP H01101214 U JPH01101214 U JP H01101214U JP 19601087 U JP19601087 U JP 19601087U JP 19601087 U JP19601087 U JP 19601087U JP H01101214 U JPH01101214 U JP H01101214U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- optical system
- utility
- elements
- model registration
- 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 21
- 239000011521 glass Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案による光学系の一実施例を示す
概略構成図である。第２図は第１図の光学系の前
群を構成するレンズの接合前の状態を示す図であ
る。第３図及び第４図はプレス成形によりレンズ
を製造する場合の工程を示す概略断面図である。
第５図は第１図に示される前群及び後群を鏡筒に
組込んだ状態を示す部分断面側面図である。第６
図は鏡筒に組込まれた従来の光学系の一例を示す
部分断面側面図である。
２，４：鏡筒、３２，３４，３６，３８，４０
，４２，４４：レンズ、３２ａ，３４ａ，３４ｂ
，３８ａ：接合部、６２，６４：押え環。
FIG. 1 is a schematic diagram showing an embodiment of an optical system according to the present invention. FIG. 2 is a diagram showing the state of the lenses constituting the front group of the optical system shown in FIG. 1 before being joined together. FIGS. 3 and 4 are schematic cross-sectional views showing the steps of manufacturing a lens by press molding.
FIG. 5 is a partially sectional side view showing a state in which the front group and rear group shown in FIG. 1 are assembled into a lens barrel. 6th
The figure is a partially sectional side view showing an example of a conventional optical system incorporated into a lens barrel. 2, 4: Lens barrel, 32, 34, 36, 38, 40
, 42, 44: lens, 32a, 34a, 34b
, 38a: joint portion, 62, 64: presser ring.
Claims (1)
て、該光学素子のうちのいくつかが素子間隔設定
及び光軸合せのための他の光学素子との接合部を
有し、該光学素子の接合部どうしが接合されてい
ることを特徴とする、光学系。 (2) 上記光学素子の接合部が光学素子外周部に
形成された光軸方向に沿うテーパ部である、実用
新案登録請求の範囲第１項記載の光学系。 (3) 上記テーパ部が光軸方向に対し３０〜８０
度の角度をなしている、実用新案登録請求の範囲
第２項記載の光学系。 (4) 上記光学素子の接合部どうしが接着固定さ
れている、実用新案登録請求の範囲第１項記載の
光学系。 (5) 上記光学素子がガラスからなる、実用新案
登録請求の範囲第１項記載の光学系。 (6) 鏡筒に組込まれている、実用新案登録請求
の範囲第１項記載の光学系。[Claims for Utility Model Registration] (1) An optical system including a plurality of optical elements, in which some of the optical elements are connected to other optical elements for element spacing and optical axis alignment. An optical system comprising a joint, and the joints of the optical elements are joined to each other. (2) The optical system according to claim 1, wherein the joint portion of the optical element is a tapered portion formed on the outer periphery of the optical element and extending along the optical axis direction. (3) The above taper part is 30 to 80 degrees in the optical axis direction.
The optical system according to claim 2 of the utility model registration claim, which forms an angle of degrees. (4) The optical system according to claim 1, wherein the joint portions of the optical elements are adhesively fixed to each other. (5) The optical system according to claim 1, wherein the optical element is made of glass. (6) The optical system according to claim 1 of the utility model registration, which is incorporated into a lens barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19601087U JPH01101214U (en) | 1987-12-25 | 1987-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19601087U JPH01101214U (en) | 1987-12-25 | 1987-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01101214U true JPH01101214U (en) | 1989-07-07 |
Family
ID=31486653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19601087U Pending JPH01101214U (en) | 1987-12-25 | 1987-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01101214U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005018024A (en) * | 2003-05-30 | 2005-01-20 | Konica Minolta Opto Inc | Lens unit, imaging unit equipped with lens unit, and portable terminal |
| JP2005513523A (en) * | 2001-12-14 | 2005-05-12 | レイセオン・カンパニー | Precisely aligned lens structure and manufacturing method thereof |
| JP2005338869A (en) * | 2005-06-27 | 2005-12-08 | Kantatsu Co Ltd | Method for positioning and fixing two or more lenses in lens barrel and optical equipment applying the same |
| JP2013020134A (en) * | 2011-07-12 | 2013-01-31 | Nikon Corp | Objective lens and microscope |
| WO2014162770A1 (en) * | 2013-04-04 | 2014-10-09 | オリンパス株式会社 | Lens unit structure for molded lens, and die for molding molded lens |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5988706A (en) * | 1982-11-15 | 1984-05-22 | Sony Corp | Plastic lens with collar |
| JPS60213916A (en) * | 1984-04-09 | 1985-10-26 | Olympus Optical Co Ltd | Holding device of optical element |
-
1987
- 1987-12-25 JP JP19601087U patent/JPH01101214U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5988706A (en) * | 1982-11-15 | 1984-05-22 | Sony Corp | Plastic lens with collar |
| JPS60213916A (en) * | 1984-04-09 | 1985-10-26 | Olympus Optical Co Ltd | Holding device of optical element |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005513523A (en) * | 2001-12-14 | 2005-05-12 | レイセオン・カンパニー | Precisely aligned lens structure and manufacturing method thereof |
| JP2005018024A (en) * | 2003-05-30 | 2005-01-20 | Konica Minolta Opto Inc | Lens unit, imaging unit equipped with lens unit, and portable terminal |
| JP2005338869A (en) * | 2005-06-27 | 2005-12-08 | Kantatsu Co Ltd | Method for positioning and fixing two or more lenses in lens barrel and optical equipment applying the same |
| JP2013020134A (en) * | 2011-07-12 | 2013-01-31 | Nikon Corp | Objective lens and microscope |
| WO2014162770A1 (en) * | 2013-04-04 | 2014-10-09 | オリンパス株式会社 | Lens unit structure for molded lens, and die for molding molded lens |
| JP2014202906A (en) * | 2013-04-04 | 2014-10-27 | オリンパス株式会社 | Lens unit structure of mold lens and molding die of mold lens |
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