FR2137598B1 - - Google Patents

Info

Publication number
FR2137598B1
FR2137598B1 FR7216280A FR7216280A FR2137598B1 FR 2137598 B1 FR2137598 B1 FR 2137598B1 FR 7216280 A FR7216280 A FR 7216280A FR 7216280 A FR7216280 A FR 7216280A FR 2137598 B1 FR2137598 B1 FR 2137598B1
Authority
FR
France
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
FR7216280A
Other versions
FR2137598A1 (fr
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 FR2137598A1 publication Critical patent/FR2137598A1/fr
Application granted granted Critical
Publication of FR2137598B1 publication Critical patent/FR2137598B1/fr
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)
  • Lenses (AREA)
  • Lens Barrels (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
FR7216280A 1971-05-08 1972-05-05 Expired FR2137598B1 (fr)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FR2137598A1 FR2137598A1 (fr) 1972-12-29
FR2137598B1 true FR2137598B1 (fr) 1975-03-21

Family

ID=26369137

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216280A Expired FR2137598B1 (fr) 1971-05-08 1972-05-05

Country Status (4)

Country Link
DE (3) DE2265634C2 (fr)
FR (1) FR2137598B1 (fr)
GB (1) GB1392224A (fr)
NL (4) NL167030C (fr)

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 (fr) * 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 (fr) * 1969-07-26 1973-10-05
DE7030757U (de) * 1969-09-22 1975-08-21 Hauser Raimund Ddr Pankratisches objektiv, insbesondere fuer photographische aufnahmen.

Also Published As

Publication number Publication date
NL167030C (nl) 1981-10-15
GB1392224A (en) 1975-04-30
FR2137598A1 (fr) 1972-12-29
DE2222536A1 (de) 1972-11-23
DE2222536C2 (de) 1984-02-23
NL8100592A (nl) 1981-07-01
NL8100591A (nl) 1981-06-01
NL7206208A (fr) 1972-11-10
NL8100590A (nl) 1981-06-01
NL167030B (nl) 1981-05-15
DE2265634C2 (de) 1982-10-21
DE2265635C2 (de) 1982-10-21

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