JPS5188243A - - Google Patents

Info

Publication number
JPS5188243A
JPS5188243A JP50151699A JP15169975A JPS5188243A JP S5188243 A JPS5188243 A JP S5188243A JP 50151699 A JP50151699 A JP 50151699A JP 15169975 A JP15169975 A JP 15169975A JP S5188243 A JPS5188243 A JP S5188243A
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
JP50151699A
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
Publication of JPS5188243A publication Critical patent/JPS5188243A/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
    • G02B15/143—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 three groups only
    • G02B15/1431—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 three groups only the first group being positive
    • G02B15/143105—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 three groups only the first group being positive arranged +-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP50151699A 1974-12-20 1975-12-19 Pending JPS5188243A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1019274A AT334109B (de) 1974-12-20 1974-12-20 Pankratisches objektiv

Publications (1)

Publication Number Publication Date
JPS5188243A true JPS5188243A (enrdf_load_stackoverflow) 1976-08-02

Family

ID=3620552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50151699A Pending JPS5188243A (enrdf_load_stackoverflow) 1974-12-20 1975-12-19

Country Status (3)

Country Link
JP (1) JPS5188243A (enrdf_load_stackoverflow)
AT (1) AT334109B (enrdf_load_stackoverflow)
DE (1) DE2556964A1 (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58162922A (ja) * 1982-03-23 1983-09-27 Canon Inc ズ−ムレンズ
JPS58200208A (ja) * 1982-05-19 1983-11-21 Canon Inc 小型の広角ズ−ムレンズ
JPS58215620A (ja) * 1982-06-09 1983-12-15 Konishiroku Photo Ind Co Ltd 小型な可変焦点距離レンズ系
JPS5913211A (ja) * 1982-07-14 1984-01-24 Canon Inc ズ−ムレンズ
JPS6014214A (ja) * 1983-07-06 1985-01-24 Nippon Kogaku Kk <Nikon> 広画角を含むズ−ムレンズ
JPH01128031A (ja) * 1987-11-13 1989-05-19 Olympus Optical Co Ltd 撮像光学系
US5009491A (en) * 1987-08-07 1991-04-23 Minolta Camera Kabushiki Kaisha Compact zoom lens system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647160A (en) * 1981-12-24 1987-03-03 Canon Kabushiki Kaisha Small-sized wide angle zoom objective
US4466708A (en) * 1981-12-28 1984-08-21 Vivitar Corporation Zoom lens
JPH0610698B2 (ja) * 1983-12-05 1994-02-09 オリンパス光学工業株式会社 コンパクトなズ−ムレンズ

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58162922A (ja) * 1982-03-23 1983-09-27 Canon Inc ズ−ムレンズ
JPS58200208A (ja) * 1982-05-19 1983-11-21 Canon Inc 小型の広角ズ−ムレンズ
JPS58215620A (ja) * 1982-06-09 1983-12-15 Konishiroku Photo Ind Co Ltd 小型な可変焦点距離レンズ系
JPS5913211A (ja) * 1982-07-14 1984-01-24 Canon Inc ズ−ムレンズ
JPS6014214A (ja) * 1983-07-06 1985-01-24 Nippon Kogaku Kk <Nikon> 広画角を含むズ−ムレンズ
US5009491A (en) * 1987-08-07 1991-04-23 Minolta Camera Kabushiki Kaisha Compact zoom lens system
JPH01128031A (ja) * 1987-11-13 1989-05-19 Olympus Optical Co Ltd 撮像光学系

Also Published As

Publication number Publication date
DE2556964A1 (de) 1976-07-01
ATA1019274A (de) 1976-04-15
AT334109B (de) 1976-12-27

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