JPS542759A - Zoom objective - Google Patents

Zoom objective

Info

Publication number
JPS542759A
JPS542759A JP6562378A JP6562378A JPS542759A JP S542759 A JPS542759 A JP S542759A JP 6562378 A JP6562378 A JP 6562378A JP 6562378 A JP6562378 A JP 6562378A JP S542759 A JPS542759 A JP S542759A
Authority
JP
Japan
Prior art keywords
zoom objective
zoom
objective
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
JP6562378A
Other languages
English (en)
Inventor
Musutsumansukii Toruude
Yohanesu Perushiyuto Furantsu
Geeburu Irumugaruto
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS542759A publication Critical patent/JPS542759A/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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP6562378A 1977-06-02 1978-05-31 Zoom objective Pending JPS542759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT389177A AT348273B (de) 1977-06-02 1977-06-02 Pankratisches objektiv

Publications (1)

Publication Number Publication Date
JPS542759A true JPS542759A (en) 1979-01-10

Family

ID=3556839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6562378A Pending JPS542759A (en) 1977-06-02 1978-05-31 Zoom objective

Country Status (4)

Country Link
US (1) US4261648A (ja)
JP (1) JPS542759A (ja)
AT (1) AT348273B (ja)
DE (1) DE2822371A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221113A (ja) * 1985-07-22 1987-01-29 Konishiroku Photo Ind Co Ltd ズ−ムレンズ

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459988A1 (fr) * 1979-06-26 1981-01-16 Angenieux P Ets Dispositif d'objectif a focale variable
JP3363688B2 (ja) * 1996-01-10 2003-01-08 キヤノン株式会社 ズームレンズ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784283A (en) * 1971-04-14 1974-01-08 Vockenhuber Karl Zoom lens for super-8 film
JPS5833532B2 (ja) * 1975-02-26 1983-07-20 キヤノン株式会社 ダイコウケイズ−ムレンズ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221113A (ja) * 1985-07-22 1987-01-29 Konishiroku Photo Ind Co Ltd ズ−ムレンズ
JPH0511603B2 (ja) * 1985-07-22 1993-02-16 Konishiroku Photo Ind

Also Published As

Publication number Publication date
AT348273B (de) 1979-02-12
US4261648A (en) 1981-04-14
ATA389177A (de) 1978-06-15
DE2822371A1 (de) 1978-12-07

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