JPS512439A - Makurozuumurenzukei - Google Patents

Makurozuumurenzukei

Info

Publication number
JPS512439A
JPS512439A JP49068883A JP6888374A JPS512439A JP S512439 A JPS512439 A JP S512439A JP 49068883 A JP49068883 A JP 49068883A JP 6888374 A JP6888374 A JP 6888374A JP S512439 A JPS512439 A JP S512439A
Authority
JP
Japan
Prior art keywords
makurozuumurenzukei
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.)
Pending
Application number
JP49068883A
Other languages
English (en)
Japanese (ja)
Inventor
Sadahiko Tsuji
Jujiro Uetoshi
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 JP49068883A priority Critical patent/JPS512439A/ja
Priority to DE19752526847 priority patent/DE2526847A1/de
Priority to GB2572375A priority patent/GB1497551A/en
Publication of JPS512439A publication Critical patent/JPS512439A/ja
Priority to US05/857,692 priority patent/US4113355A/en
Priority to US05/903,174 priority patent/US4178076A/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
    • G02B15/22—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 movable lens means specially adapted for focusing at close distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP49068883A 1974-06-17 1974-06-17 Makurozuumurenzukei Pending JPS512439A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP49068883A JPS512439A (en) 1974-06-17 1974-06-17 Makurozuumurenzukei
DE19752526847 DE2526847A1 (de) 1974-06-17 1975-06-16 Makrogummilinse
GB2572375A GB1497551A (en) 1974-06-17 1975-06-17 Zoom lens systems
US05/857,692 US4113355A (en) 1974-06-17 1977-12-05 Macro zoom lens
US05/903,174 US4178076A (en) 1974-06-17 1978-05-05 Macro zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49068883A JPS512439A (en) 1974-06-17 1974-06-17 Makurozuumurenzukei

Publications (1)

Publication Number Publication Date
JPS512439A true JPS512439A (en) 1976-01-10

Family

ID=13386487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49068883A Pending JPS512439A (en) 1974-06-17 1974-06-17 Makurozuumurenzukei

Country Status (3)

Country Link
JP (1) JPS512439A (enExample)
DE (1) DE2526847A1 (enExample)
GB (1) GB1497551A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5168244A (en) * 1974-12-10 1976-06-12 Minolta Camera Kk Shikinkyorisatsueino kanonazuumurenzukei
JPS599516A (ja) * 1982-07-07 1984-01-18 Takamisawa Saibaneteitsukusu:Kk 急峻な波形の描写方法
JPS61259210A (ja) * 1985-05-14 1986-11-17 Canon Inc 倍率切換装置
US5752095A (en) * 1985-05-14 1998-05-12 Canon Kabushiki Kaisha Magnification change-over device for camera

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105212A (ja) * 1986-10-24 1989-04-21 Asahi Optical Co Ltd 広角を包括する高変倍ズームレンズのマクロ方式
DE4143421C2 (de) * 1990-02-14 1996-05-30 Asahi Optical Co Ltd Zoomobjektivkamera mit Makroaufnahmefunktion
JP3723643B2 (ja) * 1996-08-12 2005-12-07 ペンタックス株式会社 高変倍ズームレンズ系

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391973A (en) * 1962-11-15 1968-07-09 Paillard Sa Variable focus objective lens
JPS4882840A (enExample) * 1972-02-04 1973-11-06
JPS4917540A (enExample) * 1972-06-14 1974-02-16

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391973A (en) * 1962-11-15 1968-07-09 Paillard Sa Variable focus objective lens
JPS4882840A (enExample) * 1972-02-04 1973-11-06
JPS4917540A (enExample) * 1972-06-14 1974-02-16

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5168244A (en) * 1974-12-10 1976-06-12 Minolta Camera Kk Shikinkyorisatsueino kanonazuumurenzukei
JPS599516A (ja) * 1982-07-07 1984-01-18 Takamisawa Saibaneteitsukusu:Kk 急峻な波形の描写方法
JPS61259210A (ja) * 1985-05-14 1986-11-17 Canon Inc 倍率切換装置
US5752095A (en) * 1985-05-14 1998-05-12 Canon Kabushiki Kaisha Magnification change-over device for camera
US5774749A (en) * 1985-05-14 1998-06-30 Canon Kabushiki Kaisha Camera having a magnification change-over device
US5819121A (en) * 1985-05-14 1998-10-06 Canon Kabushiki Kaisha Magnification change-over device for camera

Also Published As

Publication number Publication date
GB1497551A (en) 1978-01-12
DE2526847A1 (de) 1976-01-02

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