JPS59116711A - 変倍光学系 - Google Patents

変倍光学系

Info

Publication number
JPS59116711A
JPS59116711A JP57230449A JP23044982A JPS59116711A JP S59116711 A JPS59116711 A JP S59116711A JP 57230449 A JP57230449 A JP 57230449A JP 23044982 A JP23044982 A JP 23044982A JP S59116711 A JPS59116711 A JP S59116711A
Authority
JP
Japan
Prior art keywords
lens group
optical system
lens
refractive power
variable
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
Application number
JP57230449A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0437964B2 (enrdf_load_stackoverflow
Inventor
Keiji Ikemori
敬二 池森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 by Canon Inc filed Critical Canon Inc
Priority to JP57230449A priority Critical patent/JPS59116711A/ja
Priority to US06/556,705 priority patent/US4836661A/en
Publication of JPS59116711A publication Critical patent/JPS59116711A/ja
Publication of JPH0437964B2 publication Critical patent/JPH0437964B2/ja
Granted 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
    • G02B15/142—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 two groups only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP57230449A 1982-12-01 1982-12-24 変倍光学系 Granted JPS59116711A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57230449A JPS59116711A (ja) 1982-12-24 1982-12-24 変倍光学系
US06/556,705 US4836661A (en) 1982-12-01 1983-11-30 Optical system of variable magnification power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57230449A JPS59116711A (ja) 1982-12-24 1982-12-24 変倍光学系

Publications (2)

Publication Number Publication Date
JPS59116711A true JPS59116711A (ja) 1984-07-05
JPH0437964B2 JPH0437964B2 (enrdf_load_stackoverflow) 1992-06-23

Family

ID=16908053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57230449A Granted JPS59116711A (ja) 1982-12-01 1982-12-24 変倍光学系

Country Status (1)

Country Link
JP (1) JPS59116711A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60254013A (ja) * 1984-05-30 1985-12-14 Canon Inc 変倍光学系
JPS6180213A (ja) * 1984-09-28 1986-04-23 Canon Inc 変倍光学系
JPS6187116A (ja) * 1984-09-28 1986-05-02 Canon Inc 変倍光学系
JPS61156213A (ja) * 1984-12-28 1986-07-15 Canon Inc ズ−ムレンズ
DE3702188A1 (de) * 1986-01-27 1987-07-30 Canon Kk Optisches vergroesserungswechselsystem
JPS62173419A (ja) * 1986-01-28 1987-07-30 Canon Inc ズ−ムレンズ系
JP2005258138A (ja) * 2004-03-12 2005-09-22 Konica Minolta Opto Inc ズームレンズ
US7317580B2 (en) 2004-03-12 2008-01-08 Konica Minolta Opto, Inc. Zoom lens

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60254013A (ja) * 1984-05-30 1985-12-14 Canon Inc 変倍光学系
JPS6180213A (ja) * 1984-09-28 1986-04-23 Canon Inc 変倍光学系
JPS6187116A (ja) * 1984-09-28 1986-05-02 Canon Inc 変倍光学系
JPS61156213A (ja) * 1984-12-28 1986-07-15 Canon Inc ズ−ムレンズ
DE3702188A1 (de) * 1986-01-27 1987-07-30 Canon Kk Optisches vergroesserungswechselsystem
JPS62173419A (ja) * 1986-01-28 1987-07-30 Canon Inc ズ−ムレンズ系
DE3702351A1 (de) * 1986-01-28 1987-07-30 Canon Kk Varioobjektiv mit einem objektivglied von veraenderlicher vergroesserung
DE3702351C2 (enrdf_load_stackoverflow) * 1986-01-28 1993-06-24 Canon K.K., Tokio/Tokyo, Jp
JP2005258138A (ja) * 2004-03-12 2005-09-22 Konica Minolta Opto Inc ズームレンズ
US7317580B2 (en) 2004-03-12 2008-01-08 Konica Minolta Opto, Inc. Zoom lens
US7573648B2 (en) 2004-03-12 2009-08-11 Konica Minolta Opto, Inc. Zoom lens

Also Published As

Publication number Publication date
JPH0437964B2 (enrdf_load_stackoverflow) 1992-06-23

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