DE2222536C2 - Varioobjektiv - Google Patents

Varioobjektiv

Info

Publication number
DE2222536C2
DE2222536C2 DE19722222536 DE2222536A DE2222536C2 DE 2222536 C2 DE2222536 C2 DE 2222536C2 DE 19722222536 DE19722222536 DE 19722222536 DE 2222536 A DE2222536 A DE 2222536A DE 2222536 C2 DE2222536 C2 DE 2222536C2
Authority
DE
Germany
Prior art keywords
lens group
compensator
lens
variator
focal point
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.)
Expired
Application number
DE19722222536
Other languages
German (de)
English (en)
Other versions
DE2222536A1 (de
Inventor
Keiichi Yokohama Kanagawa Sakaguchi
Atsushi Machida Tokyo Someya
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
Priority claimed from JP9284171A external-priority patent/JPS5443373B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE2222536A1 publication Critical patent/DE2222536A1/de
Application granted granted Critical
Publication of DE2222536C2 publication Critical patent/DE2222536C2/de
Expired 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/105—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens with movable lens means specially adapted for focusing at close distances
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Lenses (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
DE19722222536 1971-05-08 1972-05-08 Varioobjektiv Expired DE2222536C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP46030735 1971-05-08
JP9284171A JPS5443373B2 (enExample) 1971-11-18 1971-11-18

Publications (2)

Publication Number Publication Date
DE2222536A1 DE2222536A1 (de) 1972-11-23
DE2222536C2 true DE2222536C2 (de) 1984-02-23

Family

ID=26369137

Family Applications (3)

Application Number Title Priority Date Filing Date
DE19722222536 Expired DE2222536C2 (de) 1971-05-08 1972-05-08 Varioobjektiv
DE19722265634 Expired DE2265634C2 (de) 1971-05-08 1972-05-08 Anzeigevorrichtung für ein Kameraobjektiv mit drehbarem Linsentubus
DE19722265635 Expired DE2265635C2 (de) 1971-05-08 1972-05-08 Zoomobjektiv mit Makroeinstellbereich

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE19722265634 Expired DE2265634C2 (de) 1971-05-08 1972-05-08 Anzeigevorrichtung für ein Kameraobjektiv mit drehbarem Linsentubus
DE19722265635 Expired DE2265635C2 (de) 1971-05-08 1972-05-08 Zoomobjektiv mit Makroeinstellbereich

Country Status (4)

Country Link
DE (3) DE2222536C2 (enExample)
FR (1) FR2137598B1 (enExample)
GB (1) GB1392224A (enExample)
NL (4) NL167030C (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588481B2 (ja) * 1974-06-18 1983-02-16 キヤノン株式会社 ズ−ムレンズの広角化方式
JPS5567716A (en) * 1978-11-17 1980-05-22 Canon Inc Lens structural body
JPS61156213A (ja) * 1984-12-28 1986-07-15 Canon Inc ズ−ムレンズ
DE19755392C2 (de) * 1997-12-12 2001-05-10 Zentrum Fuer Neuroinformatik G Abbildendes optisches System
CN111702346B (zh) * 2020-05-22 2021-04-20 中国科学院西安光学精密机械研究所 一种可变焦深激光切割头

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101793B (de) * 1959-02-03 1961-03-09 Zeiss Carl Fa Photographisches Objektiv mit kontinuierlich veraenderlicher Brennweite
DE1250650B (enExample) * 1961-07-26
US3570382A (en) * 1967-09-09 1971-03-16 Agfa Gevaert Ag Photographic camera with film type indicating means
CH532796A (de) * 1969-06-27 1973-01-15 Vockenhuber Karl Optisches System mit zwei unabhängig voneinander verstellbaren Entfernungseinstellern
JPS4832387B1 (enExample) * 1969-07-26 1973-10-05
DE2040722A1 (de) * 1969-09-22 1971-04-15 Hauser Raimund Dr Pankratisches Objektiv,insbesondere fuer photographische Aufnahmen

Also Published As

Publication number Publication date
NL167030C (nl) 1981-10-15
NL8100591A (nl) 1981-06-01
DE2222536A1 (de) 1972-11-23
FR2137598A1 (enExample) 1972-12-29
DE2265635C2 (de) 1982-10-21
NL7206208A (enExample) 1972-11-10
NL8100592A (nl) 1981-07-01
GB1392224A (en) 1975-04-30
FR2137598B1 (enExample) 1975-03-21
NL167030B (nl) 1981-05-15
NL8100590A (nl) 1981-06-01
DE2265634C2 (de) 1982-10-21

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Legal Events

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OI Miscellaneous see part 1
OI Miscellaneous see part 1
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