DE2617727C2 - - Google Patents
Info
- Publication number
- DE2617727C2 DE2617727C2 DE2617727A DE2617727A DE2617727C2 DE 2617727 C2 DE2617727 C2 DE 2617727C2 DE 2617727 A DE2617727 A DE 2617727A DE 2617727 A DE2617727 A DE 2617727A DE 2617727 C2 DE2617727 C2 DE 2617727C2
- Authority
- DE
- Germany
- Prior art keywords
- lens
- group
- sub
- collecting
- diverging
- 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.)
- Expired
Links
- 230000005499 meniscus Effects 0.000 claims description 3
- 230000004075 alteration Effects 0.000 description 36
- 201000009310 astigmatism Diseases 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 206010010071 Coma Diseases 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50049384A JPS51124421A (en) | 1975-04-23 | 1975-04-23 | Tele-ph0t0 lens |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2617727A1 DE2617727A1 (de) | 1976-11-04 |
DE2617727C2 true DE2617727C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-11-19 |
Family
ID=12829514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19762617727 Granted DE2617727A1 (de) | 1975-04-23 | 1976-04-23 | Schnell fokussierbares teleobjektiv |
Country Status (3)
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52117126A (en) * | 1976-03-26 | 1977-10-01 | Minolta Camera Co Ltd | Telephoto lens system |
JPS6032849B2 (ja) * | 1977-06-28 | 1985-07-30 | キヤノン株式会社 | 望遠レンズ |
JPS6033249B2 (ja) * | 1977-11-16 | 1985-08-01 | キヤノン株式会社 | 望遠レンズ |
JPS5476148A (en) * | 1977-11-29 | 1979-06-18 | Olympus Optical Co Ltd | Focusing method for photo graphic lens |
JPS56114918A (en) * | 1980-02-15 | 1981-09-09 | Canon Inc | Large-diameter lens with easy focusing |
JPS578513A (en) * | 1980-06-18 | 1982-01-16 | Canon Inc | Objective lens of large aperture ratio |
US4492437A (en) * | 1980-11-04 | 1985-01-08 | Minolta Camera Kabushiki Kaisha | Zoom lens system |
JPS59107522U (ja) * | 1982-12-28 | 1984-07-19 | 松下電工株式会社 | 露出スイツチボツクス |
JPS59214008A (ja) * | 1983-05-19 | 1984-12-03 | Asahi Optical Co Ltd | 望遠レンズ |
US4620774A (en) * | 1984-10-12 | 1986-11-04 | Vivitar Corporation | Internal focusing lens |
JPS6216910U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1986-06-24 | 1987-01-31 | ||
US4961503A (en) * | 1988-03-17 | 1990-10-09 | Kapak Corporation | Tamper evident notched sealing envelope |
JPH0240606A (ja) * | 1988-07-30 | 1990-02-09 | Asahi Optical Co Ltd | 望遠写真レンズ |
JP5963360B2 (ja) * | 2012-11-21 | 2016-08-03 | カンタツ株式会社 | 撮像レンズ |
JP6363783B1 (ja) * | 2017-10-19 | 2018-07-25 | エーエーシー テクノロジーズ ピーティーイー リミテッドAac Technologies Pte.Ltd. | 撮像光学レンズ |
JP6372905B1 (ja) * | 2017-10-19 | 2018-08-15 | エーエーシー テクノロジーズ ピーティーイー リミテッドAac Technologies Pte.Ltd. | 撮像光学レンズ |
JP6362198B1 (ja) * | 2017-10-30 | 2018-07-25 | エーエーシー テクノロジーズ ピーティーイー リミテッドAac Technologies Pte.Ltd. | 撮像光学レンズ |
JP6375433B1 (ja) * | 2017-10-30 | 2018-08-15 | エーエーシー テクノロジーズ ピーティーイー リミテッドAac Technologies Pte.Ltd. | 撮像光学レンズ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2503789A (en) * | 1946-09-21 | 1950-04-11 | Eastman Kodak Co | Focusing objective lens |
JPS5221367B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-02-10 | 1977-06-10 | ||
JPS5116135B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-05-10 | 1976-05-21 | ||
JPS5539803B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-06-07 | 1980-10-14 |
-
1975
- 1975-04-23 JP JP50049384A patent/JPS51124421A/ja active Pending
-
1976
- 1976-04-19 US US05/678,364 patent/US4068929A/en not_active Expired - Lifetime
- 1976-04-23 DE DE19762617727 patent/DE2617727A1/de active Granted
-
1979
- 1979-02-27 US US06/015,644 patent/USRE30728E/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS51124421A (en) | 1976-10-29 |
US4068929A (en) | 1978-01-17 |
USRE30728E (en) | 1981-09-01 |
DE2617727A1 (de) | 1976-11-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |