JPS5746224A - Lens system equipped with auxiliary lens - Google Patents
Lens system equipped with auxiliary lensInfo
- Publication number
- JPS5746224A JPS5746224A JP55122179A JP12217980A JPS5746224A JP S5746224 A JPS5746224 A JP S5746224A JP 55122179 A JP55122179 A JP 55122179A JP 12217980 A JP12217980 A JP 12217980A JP S5746224 A JPS5746224 A JP S5746224A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- positive
- auxiliary
- turned
- image
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/62—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six components only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55122179A JPS5746224A (en) | 1980-09-03 | 1980-09-03 | Lens system equipped with auxiliary lens |
US06/296,649 US4394071A (en) | 1980-09-03 | 1981-08-27 | Lens system with fill-in lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55122179A JPS5746224A (en) | 1980-09-03 | 1980-09-03 | Lens system equipped with auxiliary lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5746224A true JPS5746224A (en) | 1982-03-16 |
JPS6119008B2 JPS6119008B2 (ja) | 1986-05-15 |
Family
ID=14829527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55122179A Granted JPS5746224A (en) | 1980-09-03 | 1980-09-03 | Lens system equipped with auxiliary lens |
Country Status (2)
Country | Link |
---|---|
US (1) | US4394071A (ja) |
JP (1) | JPS5746224A (ja) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5918916A (ja) * | 1982-07-23 | 1984-01-31 | Canon Inc | テツサ−型の撮影レンズ |
JPS5984212A (ja) * | 1982-11-05 | 1984-05-15 | Canon Inc | 補助レンズを備えたレンズ系 |
US4532199A (en) * | 1983-03-01 | 1985-07-30 | Tokyo Shibaura Denki Kabushiki Kaisha | Method of forming amorphous silicon film |
JPS61284716A (ja) * | 1985-06-10 | 1986-12-15 | Canon Inc | アタツチメントレンズ |
US4653870A (en) * | 1984-03-07 | 1987-03-31 | Olympus Optical Co., Ltd. | Compact vari-focal photographic lens system |
US4715693A (en) * | 1984-02-16 | 1987-12-29 | Olympus Optical Co., Ltd. | Vari-focal photographic lens system of rear lens group exchange type |
US4749263A (en) * | 1986-01-09 | 1988-06-07 | Minolta Camera Kabushiki Kaisha | Rear conversion lens system |
US4768868A (en) * | 1984-02-28 | 1988-09-06 | Nippon Kogaku K. K. | Rear conversion lens |
US4823178A (en) * | 1984-09-29 | 1989-04-18 | Kabushiki Kaisha Toshiba | Photosensor suited for image sensor |
US4830473A (en) * | 1987-03-23 | 1989-05-16 | Minolta Camera Kabushiki Kaisha | Rear conversion lens system |
JP2018054991A (ja) * | 2016-09-30 | 2018-04-05 | キヤノン株式会社 | コンバージョンレンズおよびそれを有する撮影光学系、光学機器 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5929214A (ja) * | 1982-08-11 | 1984-02-16 | Ricoh Co Ltd | 焦点距離の変換可能なレンズ系 |
US4830474A (en) * | 1985-12-12 | 1989-05-16 | Canon Kabushiki Kaisha | Variable magnification optical system |
US4929068A (en) * | 1986-09-01 | 1990-05-29 | Canon Kabushiki Kaisha | Conversion lens |
US5327291A (en) * | 1992-03-30 | 1994-07-05 | Polaroid Corporation | Compact objective lens |
US5499069A (en) * | 1994-05-24 | 1996-03-12 | Eastman Kodak Company | Camera system and an optical adapter to reduce image format size |
JPH11311739A (ja) * | 1998-04-28 | 1999-11-09 | Asahi Optical Co Ltd | 望遠鏡対物レンズ系 |
US6400515B1 (en) | 1999-02-01 | 2002-06-04 | Minolta Co., Ltd. | Taking optical system, image taking apparatus, and method for converting frame-format in a taking optical system |
JP5601857B2 (ja) * | 2009-04-07 | 2014-10-08 | 富士フイルム株式会社 | 撮像レンズおよび撮像装置、ならびに携帯端末機器 |
US20140211009A1 (en) * | 2013-01-25 | 2014-07-31 | Magna Electronics Inc. | Lens assembly for vehicle vision system camera |
CN109507782B (zh) * | 2017-09-15 | 2021-05-11 | 信泰光学(深圳)有限公司 | 成像镜头 |
CN108594405A (zh) * | 2018-05-29 | 2018-09-28 | 中国计量大学 | 一种折衍混合广角镜头 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB995932A (en) * | 1963-04-19 | 1965-06-23 | Thomas Ballantyne Clerk | Improvements in or relating to lens systems |
US3741621A (en) * | 1971-04-01 | 1973-06-26 | Xerox Corp | Add lens projection system with balanced performance |
JPS5425820A (en) * | 1977-07-29 | 1979-02-27 | Nippon Chemical Ind | Rear conversion lens |
-
1980
- 1980-09-03 JP JP55122179A patent/JPS5746224A/ja active Granted
-
1981
- 1981-08-27 US US06/296,649 patent/US4394071A/en not_active Expired - Lifetime
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5918916A (ja) * | 1982-07-23 | 1984-01-31 | Canon Inc | テツサ−型の撮影レンズ |
JPH0415923B2 (ja) * | 1982-07-23 | 1992-03-19 | Canon Kk | |
JPS5984212A (ja) * | 1982-11-05 | 1984-05-15 | Canon Inc | 補助レンズを備えたレンズ系 |
US4532199A (en) * | 1983-03-01 | 1985-07-30 | Tokyo Shibaura Denki Kabushiki Kaisha | Method of forming amorphous silicon film |
US4715693A (en) * | 1984-02-16 | 1987-12-29 | Olympus Optical Co., Ltd. | Vari-focal photographic lens system of rear lens group exchange type |
US4768868A (en) * | 1984-02-28 | 1988-09-06 | Nippon Kogaku K. K. | Rear conversion lens |
US4653870A (en) * | 1984-03-07 | 1987-03-31 | Olympus Optical Co., Ltd. | Compact vari-focal photographic lens system |
US4823178A (en) * | 1984-09-29 | 1989-04-18 | Kabushiki Kaisha Toshiba | Photosensor suited for image sensor |
JPS61284716A (ja) * | 1985-06-10 | 1986-12-15 | Canon Inc | アタツチメントレンズ |
US4749263A (en) * | 1986-01-09 | 1988-06-07 | Minolta Camera Kabushiki Kaisha | Rear conversion lens system |
US4830473A (en) * | 1987-03-23 | 1989-05-16 | Minolta Camera Kabushiki Kaisha | Rear conversion lens system |
JP2018054991A (ja) * | 2016-09-30 | 2018-04-05 | キヤノン株式会社 | コンバージョンレンズおよびそれを有する撮影光学系、光学機器 |
Also Published As
Publication number | Publication date |
---|---|
US4394071A (en) | 1983-07-19 |
JPS6119008B2 (ja) | 1986-05-15 |
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