FR2321134A1 - Objectif additionnel afocal - Google Patents

Objectif additionnel afocal

Info

Publication number
FR2321134A1
FR2321134A1 FR7624280A FR7624280A FR2321134A1 FR 2321134 A1 FR2321134 A1 FR 2321134A1 FR 7624280 A FR7624280 A FR 7624280A FR 7624280 A FR7624280 A FR 7624280A FR 2321134 A1 FR2321134 A1 FR 2321134A1
Authority
FR
France
Prior art keywords
afocal
additional objective
objective
additional
afocal additional
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
FR7624280A
Other languages
English (en)
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 FR2321134A1 publication Critical patent/FR2321134A1/fr
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
    • G02B15/1445—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 negative
    • G02B15/144511—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 negative arranged -+-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
FR7624280A 1975-08-11 1976-08-09 Objectif additionnel afocal Pending FR2321134A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT623175A AT339067B (de) 1975-08-11 1975-08-11 Afokaler vorsatz

Publications (1)

Publication Number Publication Date
FR2321134A1 true FR2321134A1 (fr) 1977-03-11

Family

ID=3584197

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624280A Pending FR2321134A1 (fr) 1975-08-11 1976-08-09 Objectif additionnel afocal

Country Status (6)

Country Link
US (1) US4094587A (fr)
JP (1) JPS5260148A (fr)
AT (1) AT339067B (fr)
DE (1) DE2636043A1 (fr)
FR (1) FR2321134A1 (fr)
IT (1) IT1070398B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63221313A (ja) * 1987-03-11 1988-09-14 Olympus Optical Co Ltd ズ−ムフアインダ−
US4952041A (en) * 1989-05-17 1990-08-28 Sandall Vern R Scope with powered zoom
US5521757A (en) * 1991-09-03 1996-05-28 Olson; Kevin Adjustment lever for attachment to a scope adjustment ring
US5276554A (en) * 1992-09-28 1994-01-04 Nassivera Theodore S Magnification adjustment system for a variable power rifle scope
US6014775A (en) * 1999-05-03 2000-01-18 Misco Enterprises, Inc. Magnetic golf glove
JP2001264630A (ja) 2000-03-22 2001-09-26 Fuji Photo Optical Co Ltd 実像式ズームファインダ
US7158311B1 (en) * 2005-07-29 2007-01-02 Eastman Kodak Company Interchangeable lens system
CN115166942B (zh) * 2022-07-13 2023-09-05 江西晶超光学有限公司 光学系统、摄像模组和电子设备

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466113A (en) * 1963-08-28 1969-09-09 Ludwig Bertele Varifocal objective with movable lens component of positive refractivity

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB449434A (en) * 1935-11-04 1936-06-26 Hugh Ivan Gramatzki Improvements in photographic and like objectives

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466113A (en) * 1963-08-28 1969-09-09 Ludwig Bertele Varifocal objective with movable lens component of positive refractivity

Also Published As

Publication number Publication date
DE2636043A1 (de) 1977-03-03
US4094587A (en) 1978-06-13
IT1070398B (it) 1985-03-29
ATA623175A (de) 1977-01-15
JPS5260148A (en) 1977-05-18
AT339067B (de) 1977-09-26

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