JPS5040144A - - Google Patents

Info

Publication number
JPS5040144A
JPS5040144A JP48092113A JP9211373A JPS5040144A JP S5040144 A JPS5040144 A JP S5040144A JP 48092113 A JP48092113 A JP 48092113A JP 9211373 A JP9211373 A JP 9211373A JP S5040144 A JPS5040144 A JP S5040144A
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
JP48092113A
Other languages
Japanese (ja)
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 JP48092113A priority Critical patent/JPS5040144A/ja
Priority to GB214374A priority patent/GB1432072A/en
Priority to CA190,623A priority patent/CA990987A/en
Priority to DE2412847A priority patent/DE2412847C2/en
Priority to FR7409739A priority patent/FR2241084B1/fr
Publication of JPS5040144A publication Critical patent/JPS5040144A/ja
Priority to US05/595,885 priority patent/US3961845A/en
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
    • G02B15/146—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 having more than five groups

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP48092113A 1973-08-17 1973-08-17 Pending JPS5040144A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP48092113A JPS5040144A (en) 1973-08-17 1973-08-17
GB214374A GB1432072A (en) 1973-08-17 1974-01-17 Zoom lens systems cyclohexene carboxyaldehyde derivative and its use in
CA190,623A CA990987A (en) 1973-08-17 1974-01-18 Zoom lens system
DE2412847A DE2412847C2 (en) 1973-08-17 1974-03-18 Varifocal lens
FR7409739A FR2241084B1 (en) 1973-08-17 1974-03-21
US05/595,885 US3961845A (en) 1973-08-17 1975-07-14 Zoom lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48092113A JPS5040144A (en) 1973-08-17 1973-08-17

Publications (1)

Publication Number Publication Date
JPS5040144A true JPS5040144A (en) 1975-04-12

Family

ID=14045360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48092113A Pending JPS5040144A (en) 1973-08-17 1973-08-17

Country Status (5)

Country Link
JP (1) JPS5040144A (en)
CA (1) CA990987A (en)
DE (1) DE2412847C2 (en)
FR (1) FR2241084B1 (en)
GB (1) GB1432072A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237445A (en) * 1975-09-20 1977-03-23 Minolta Camera Co Ltd Lens system rendering variable characteristics of an image plane
JPS52128153A (en) * 1976-04-20 1977-10-27 Olympus Optical Co Ltd Highly variable multiplying zoom lens which instals correction gap of short range image-pickup capacity
JPS52128152A (en) * 1976-04-20 1977-10-27 Olympus Optical Co Ltd Highly variable multiplying zoom lens
JPS53149045A (en) * 1977-05-31 1978-12-26 Fuji Photo Optical Co Ltd Zoom lens
JPS548172U (en) * 1977-06-20 1979-01-19
JPS5595921A (en) * 1979-01-12 1980-07-21 Zeiss Stiftung Photograph lens with continuously variable focal distance
JPS57135912A (en) * 1981-02-16 1982-08-21 Asahi Optical Co Ltd Zoom lens
JPS58127909A (en) * 1982-01-26 1983-07-30 Canon Inc Zoom lens
JPS60208723A (en) * 1984-04-02 1985-10-21 Canon Inc Fast zoom lens of high variable power

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3088112B2 (en) * 1990-10-12 2000-09-18 旭光学工業株式会社 Zoom lens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103046B (en) * 1959-11-06 1961-03-23 Schneider Co Optische Werke Vario lens, preferably Vario attachment system
CH482207A (en) * 1967-01-16 1969-11-30 Rank Organisation Ltd Variable focal length lens

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237445A (en) * 1975-09-20 1977-03-23 Minolta Camera Co Ltd Lens system rendering variable characteristics of an image plane
JPS52128153A (en) * 1976-04-20 1977-10-27 Olympus Optical Co Ltd Highly variable multiplying zoom lens which instals correction gap of short range image-pickup capacity
JPS52128152A (en) * 1976-04-20 1977-10-27 Olympus Optical Co Ltd Highly variable multiplying zoom lens
JPS5832686B2 (en) * 1976-04-20 1983-07-14 オリンパス光学工業株式会社 High variable power zoom lens
JPS53149045A (en) * 1977-05-31 1978-12-26 Fuji Photo Optical Co Ltd Zoom lens
JPS6137604B2 (en) * 1977-05-31 1986-08-25 Fuji Photo Optical Co Ltd
JPS548172U (en) * 1977-06-20 1979-01-19
JPS5595921A (en) * 1979-01-12 1980-07-21 Zeiss Stiftung Photograph lens with continuously variable focal distance
JPS57135912A (en) * 1981-02-16 1982-08-21 Asahi Optical Co Ltd Zoom lens
JPS6229768B2 (en) * 1981-02-16 1987-06-29 Asahi Optical Co Ltd
JPS58127909A (en) * 1982-01-26 1983-07-30 Canon Inc Zoom lens
JPS60208723A (en) * 1984-04-02 1985-10-21 Canon Inc Fast zoom lens of high variable power

Also Published As

Publication number Publication date
DE2412847C2 (en) 1983-12-08
FR2241084A1 (en) 1975-03-14
GB1432072A (en) 1976-04-14
DE2412847A1 (en) 1975-02-27
CA990987A (en) 1976-06-15
FR2241084B1 (en) 1976-06-25

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