JPS492548A - - Google Patents

Info

Publication number
JPS492548A
JPS492548A JP47038980A JP3898072A JPS492548A JP S492548 A JPS492548 A JP S492548A JP 47038980 A JP47038980 A JP 47038980A JP 3898072 A JP3898072 A JP 3898072A JP S492548 A JPS492548 A JP S492548A
Authority
JP
Japan
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
Application number
JP47038980A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP47038980A priority Critical patent/JPS492548A/ja
Priority to US00348070A priority patent/US3848969A/en
Priority to DE2319725A priority patent/DE2319725C2/de
Priority to GB1864673A priority patent/GB1423907A/en
Publication of JPS492548A publication Critical patent/JPS492548A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/177—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP47038980A 1972-04-18 1972-04-18 Pending JPS492548A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP47038980A JPS492548A (ja) 1972-04-18 1972-04-18
US00348070A US3848969A (en) 1972-04-18 1973-04-05 A short physical length zoom lens
DE2319725A DE2319725C2 (de) 1972-04-18 1973-04-18 Mechanisch kompensiertes Vario-Objektiv
GB1864673A GB1423907A (en) 1972-04-18 1973-04-18 Zoom lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47038980A JPS492548A (ja) 1972-04-18 1972-04-18

Publications (1)

Publication Number Publication Date
JPS492548A true JPS492548A (ja) 1974-01-10

Family

ID=12540284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47038980A Pending JPS492548A (ja) 1972-04-18 1972-04-18

Country Status (4)

Country Link
US (1) US3848969A (ja)
JP (1) JPS492548A (ja)
DE (1) DE2319725C2 (ja)
GB (1) GB1423907A (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51144653A (en) * 1975-06-06 1976-12-11 Canon Inc Zoom lens system
JPS52153752A (en) * 1976-06-17 1977-12-21 Olympus Optical Co Ltd Wide angle zoom lens
DE2758688A1 (de) * 1977-01-21 1978-07-27 Minolta Camera Kk Linsensystem mit veraenderlicher brennweite
JPS54114236A (en) * 1978-02-24 1979-09-06 Minolta Camera Co Ltd Zoom lens system
JPS5535334A (en) * 1978-09-01 1980-03-12 Fuji Photo Optical Co Ltd Posterior iris zoom lens
JPS55117118A (en) * 1979-03-02 1980-09-09 Olympus Optical Co Ltd Wide-angle zoom lens
US4523813A (en) * 1983-01-27 1985-06-18 Olympus Optical Co., Ltd. Zoom lens system
JPS61116315A (ja) * 1985-05-27 1986-06-03 Canon Inc 変倍光学系
US4607918A (en) * 1983-02-02 1986-08-26 Olympus Optical Co., Ltd. Zoom lens system
JPH01191113A (ja) * 1988-01-26 1989-08-01 Canon Inc 防振機能を有した変倍光学系
US5325236A (en) * 1991-03-04 1994-06-28 Canon Kabushiki Kaisha Ultra-wide-angle type zoom lens

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523492A (en) * 1974-12-28 1978-09-06 Nippon Kogaku Kk Zoom lens system
JPS5513334B2 (ja) * 1975-01-18 1980-04-08
US4153339A (en) * 1975-06-06 1979-05-08 Canon Kabushiki Kaisha Zoom lens
US4159865A (en) * 1975-08-22 1979-07-03 Canon Kabushiki Kaisha Zoom lens system
JPS6034734B2 (ja) * 1975-08-22 1985-08-10 キヤノン株式会社 ズ−ムレンズ系
JPS52109930A (en) * 1976-03-11 1977-09-14 Nippon Chemical Ind Rear conversion lens
US4189212A (en) 1976-05-06 1980-02-19 Nippon Kogaku K.K. Wide angle zoom lens system
JPS594682B2 (ja) 1976-05-10 1984-01-31 旭光学工業株式会社 ズ−ムレンズ系
JPS6046688B2 (ja) * 1976-11-11 1985-10-17 富士写真光機株式会社 ズ−ムレンズ
US4159165A (en) * 1976-12-15 1979-06-26 Vivitar Corporation Zoom lens
JPS53132360A (en) * 1977-04-25 1978-11-18 Canon Inc Wide angle zoom lens of small size
JPS5423555A (en) * 1977-07-23 1979-02-22 Olympus Optical Co Ltd Zoom lens
JPS5811607B2 (ja) * 1977-10-19 1983-03-03 旭光学工業株式会社 歪曲収差の小さなズ−ムレンズ
JPS5850327B2 (ja) * 1977-12-02 1983-11-10 旭光学工業株式会社 広角を包括する歪曲収差の小さなズ−ムレンズ
JPS54127322A (en) * 1978-03-27 1979-10-03 Canon Inc Zoom lens
JPS559550A (en) * 1978-07-06 1980-01-23 Canon Inc Zoom lens system
JPS5532037A (en) * 1978-08-29 1980-03-06 Nippon Kogaku Kk <Nikon> Zoom lens system for near distance
JPS55113012A (en) * 1979-02-23 1980-09-01 Olympus Optical Co Ltd Wide angle zoom lens
JPS5619022A (en) * 1979-07-24 1981-02-23 Canon Inc Zoom lens of small size
US4756609A (en) * 1987-07-13 1988-07-12 Eastman Kodak Company Four component compact zoom lens
JPH0833526B2 (ja) * 1988-11-28 1996-03-29 キヤノン株式会社 光学的ローパスフィルターを有した撮影レンズ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143590A (en) * 1961-02-28 1964-08-04 Nippon Kogaku Kk Zoom lens

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51144653A (en) * 1975-06-06 1976-12-11 Canon Inc Zoom lens system
JPS5913003B2 (ja) * 1975-06-06 1984-03-27 キヤノン株式会社 ズ−ムレンズ系
JPS5832683B2 (ja) * 1976-06-17 1983-07-14 オリンパス光学工業株式会社 広角用ズ−ムレンズ
JPS52153752A (en) * 1976-06-17 1977-12-21 Olympus Optical Co Ltd Wide angle zoom lens
DE2758688A1 (de) * 1977-01-21 1978-07-27 Minolta Camera Kk Linsensystem mit veraenderlicher brennweite
JPS6142246B2 (ja) * 1978-02-24 1986-09-19 Minolta Camera Kk
JPS54114236A (en) * 1978-02-24 1979-09-06 Minolta Camera Co Ltd Zoom lens system
JPS5724525B2 (ja) * 1978-09-01 1982-05-25
JPS5535334A (en) * 1978-09-01 1980-03-12 Fuji Photo Optical Co Ltd Posterior iris zoom lens
JPS55117118A (en) * 1979-03-02 1980-09-09 Olympus Optical Co Ltd Wide-angle zoom lens
JPS6154202B2 (ja) * 1979-03-02 1986-11-21 Olympus Optical Co
US4523813A (en) * 1983-01-27 1985-06-18 Olympus Optical Co., Ltd. Zoom lens system
US4607918A (en) * 1983-02-02 1986-08-26 Olympus Optical Co., Ltd. Zoom lens system
JPS61116315A (ja) * 1985-05-27 1986-06-03 Canon Inc 変倍光学系
JPH033205B2 (ja) * 1985-05-27 1991-01-18 Canon Kk
JPH01191113A (ja) * 1988-01-26 1989-08-01 Canon Inc 防振機能を有した変倍光学系
US5325236A (en) * 1991-03-04 1994-06-28 Canon Kabushiki Kaisha Ultra-wide-angle type zoom lens

Also Published As

Publication number Publication date
GB1423907A (en) 1976-02-04
DE2319725A1 (de) 1973-10-25
US3848969A (en) 1974-11-19
DE2319725C2 (de) 1983-04-21

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