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FR1102390A - Optical system with interchangeable elements to modify the magnification of the image - Google Patents

Optical system with interchangeable elements to modify the magnification of the image

Info

Publication number
FR1102390A
FR1102390A FR1102390DA FR1102390A FR 1102390 A FR1102390 A FR 1102390A FR 1102390D A FR1102390D A FR 1102390DA FR 1102390 A FR1102390 A FR 1102390A
Authority
FR
France
Prior art keywords
magnification
modify
image
optical system
interchangeable elements
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
Other languages
French (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.)
Jos Schneider Optische Werke GmbH
Original Assignee
Jos Schneider Optische Werke GmbH
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 Jos Schneider Optische Werke GmbH filed Critical Jos Schneider Optische Werke GmbH
Application granted granted Critical
Publication of FR1102390A publication Critical patent/FR1102390A/en
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
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/04—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
    • G02B15/06—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part by changing the front part

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1102390D 1953-06-27 1954-06-15 Optical system with interchangeable elements to modify the magnification of the image Expired FR1102390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1102390X 1953-06-27

Publications (1)

Publication Number Publication Date
FR1102390A true FR1102390A (en) 1955-10-19

Family

ID=7722852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1102390D Expired FR1102390A (en) 1953-06-27 1954-06-15 Optical system with interchangeable elements to modify the magnification of the image

Country Status (1)

Country Link
FR (1) FR1102390A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780139A (en) * 1954-09-30 1957-02-05 Zeiss Carl Lens system for a photographic objective
US2816482A (en) * 1955-11-19 1957-12-17 Zeiss Carl Interchangeable lens system for photographic purposes
US2824494A (en) * 1955-07-13 1958-02-25 Schneider Co Optische Werke Optical objective system with interchangeable elements for focallength variations
US2831396A (en) * 1954-10-20 1958-04-22 Schneider Co Optische Werke Optical system with interchangeable components for variation of image scale
US2923203A (en) * 1958-04-17 1960-02-02 Farrand Optical Co Inc High speed photographic objective with large field of view
DE1080316B (en) * 1957-09-25 1960-04-21 Zeiss Carl Fa Replacement lens system for a photographic lens

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780139A (en) * 1954-09-30 1957-02-05 Zeiss Carl Lens system for a photographic objective
US2831396A (en) * 1954-10-20 1958-04-22 Schneider Co Optische Werke Optical system with interchangeable components for variation of image scale
US2824494A (en) * 1955-07-13 1958-02-25 Schneider Co Optische Werke Optical objective system with interchangeable elements for focallength variations
US2816482A (en) * 1955-11-19 1957-12-17 Zeiss Carl Interchangeable lens system for photographic purposes
DE1080316B (en) * 1957-09-25 1960-04-21 Zeiss Carl Fa Replacement lens system for a photographic lens
US2923203A (en) * 1958-04-17 1960-02-02 Farrand Optical Co Inc High speed photographic objective with large field of view

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