JPH0337409U - - Google Patents
Info
- Publication number
- JPH0337409U JPH0337409U JP9864789U JP9864789U JPH0337409U JP H0337409 U JPH0337409 U JP H0337409U JP 9864789 U JP9864789 U JP 9864789U JP 9864789 U JP9864789 U JP 9864789U JP H0337409 U JPH0337409 U JP H0337409U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- cylindrical lens
- anamorphic
- edge
- lens barrel
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Lenses (AREA)
Description
第１図は本考案のアナモフイツクレンズ装置の
一実施例の構成を示す縦断面図、第２図ａ、ｂは
同実施例の構成要素の詳細を示す縦断面図、第３
図はアナモフイツクレンズ装置の原理説明図、第
４図は同装置の具体的製作図、第５図は同装置の
光路図、第６図は従来のアナモフイツクレンズ装
置の縦断面図である。
１ａ……凸シリンドリカルレンズ、２ａ……凹
シリンドリカルレンズ、３ａ，４ａ……鏡筒、５
，６……フランジ状縁部、１０ａ……アナモフイ
ツクレンズ装置、１２ａ，１５ａ……押えリング
、１３，１６……ネジリング。
FIG. 1 is a longitudinal cross-sectional view showing the configuration of an embodiment of the anamorphic cleansing device of the present invention, FIGS. 2 a and b are longitudinal cross-sectional views showing details of the components of the same embodiment, and FIG.
The figure is a diagram explaining the principle of the Anamorphic Cleanse device, Figure 4 is a detailed manufacturing diagram of the device, Figure 5 is an optical path diagram of the device, and Figure 6 is a vertical cross-sectional view of a conventional Anamorphic Cleanse device. be. 1a...Convex cylindrical lens, 2a...Concave cylindrical lens, 3a, 4a... Lens barrel, 5
, 6...Flanged edge, 10a... Anamorphic cleaning device, 12a, 15a... Holding ring, 13, 16... Screw ring.
Claims (1)
と、凹シリンドリカリレンズを収納した第２の鏡
筒とが所定の位置関係にて一体的に接合されたア
ナモフイツクレンズ装置において、前記凸シリン
ドリカルレンズおよび凹シリンドリカルレンズの
少なくとも一方が、フランジ状に段付け加工され
たフランジ状縁部を備え、このフランジ状縁部の
一面を前記鏡筒の内側の段付け加工面に直接押し
当てて固定したことを特徴とするアナモフイツク
レンズ装置。 In an anamorphic lens device in which a first lens barrel housing a convex cylindrical lens and a second lens barrel housing a concave cylindrical lens are integrally joined in a predetermined positional relationship, the convex cylindrical lens At least one of the lens and the concave cylindrical lens has a stepped flange-like edge, and one side of the flange-like edge is directly pressed against and fixed to the stepped surface inside the lens barrel. This is an anamorphic cleansing device that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9864789U JPH0337409U (en) | 1989-08-24 | 1989-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9864789U JPH0337409U (en) | 1989-08-24 | 1989-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0337409U true JPH0337409U (en) | 1991-04-11 |
Family
ID=31647730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9864789U Pending JPH0337409U (en) | 1989-08-24 | 1989-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005164824A (en) * | 2003-12-01 | 2005-06-23 | Seiko Epson Corp | Projector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54151831A (en) * | 1978-05-22 | 1979-11-29 | Shinano Kikaku Co Ltd | Optical device for cinemascope |
-
1989
- 1989-08-24 JP JP9864789U patent/JPH0337409U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54151831A (en) * | 1978-05-22 | 1979-11-29 | Shinano Kikaku Co Ltd | Optical device for cinemascope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005164824A (en) * | 2003-12-01 | 2005-06-23 | Seiko Epson Corp | Projector |