DE2364055A1 - Zoom-objektiv - Google Patents

Zoom-objektiv

Info

Publication number
DE2364055A1
DE2364055A1 DE2364055A DE2364055A DE2364055A1 DE 2364055 A1 DE2364055 A1 DE 2364055A1 DE 2364055 A DE2364055 A DE 2364055A DE 2364055 A DE2364055 A DE 2364055A DE 2364055 A1 DE2364055 A1 DE 2364055A1
Authority
DE
Germany
Prior art keywords
lens
lens group
zoom
focal length
distortion
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
DE2364055A
Other languages
German (de)
English (en)
Inventor
Eiichi Takano
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
Publication of DE2364055A1 publication Critical patent/DE2364055A1/de
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
    • G02B15/145—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 five groups only
    • G02B15/1451—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 five groups only the first group being positive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE2364055A 1972-12-27 1973-12-21 Zoom-objektiv Pending DE2364055A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47130037A JPS4990148A (enrdf_load_stackoverflow) 1972-12-27 1972-12-27

Publications (1)

Publication Number Publication Date
DE2364055A1 true DE2364055A1 (de) 1974-07-04

Family

ID=15024563

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2364055A Pending DE2364055A1 (de) 1972-12-27 1973-12-21 Zoom-objektiv

Country Status (2)

Country Link
JP (1) JPS4990148A (enrdf_load_stackoverflow)
DE (1) DE2364055A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127322A (en) * 1978-03-27 1979-10-03 Canon Inc Zoom lens
JP2010175955A (ja) * 2009-01-30 2010-08-12 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2010175956A (ja) * 2009-01-30 2010-08-12 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム

Also Published As

Publication number Publication date
JPS4990148A (enrdf_load_stackoverflow) 1974-08-28

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