DE2144941A1 - Vario-Objektiv - Google Patents

Vario-Objektiv

Info

Publication number
DE2144941A1
DE2144941A1 DE19712144941 DE2144941A DE2144941A1 DE 2144941 A1 DE2144941 A1 DE 2144941A1 DE 19712144941 DE19712144941 DE 19712144941 DE 2144941 A DE2144941 A DE 2144941A DE 2144941 A1 DE2144941 A1 DE 2144941A1
Authority
DE
Germany
Prior art keywords
lens
iii
varifocal
lenses
compensating
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
DE19712144941
Other languages
German (de)
English (en)
Inventor
William Hoyt; Straw Kimball; Rochester N.Y. Price (V.StA.)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE2144941A1 publication Critical patent/DE2144941A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/006—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly setting of both diaphragm and distance
    • 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
    • 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
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE19712144941 1970-09-08 1971-09-08 Vario-Objektiv Pending DE2144941A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7017070A 1970-09-08 1970-09-08
US7016970A 1970-09-08 1970-09-08

Publications (1)

Publication Number Publication Date
DE2144941A1 true DE2144941A1 (de) 1972-03-16

Family

ID=26750857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712144941 Pending DE2144941A1 (de) 1970-09-08 1971-09-08 Vario-Objektiv

Country Status (3)

Country Link
DE (1) DE2144941A1 (enExample)
FR (1) FR2106359B1 (enExample)
GB (1) GB1366326A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320566A1 (fr) * 1975-08-06 1977-03-04 Bolex Int Sa Systeme optique

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7436599B2 (en) 2001-05-14 2008-10-14 Olympus Corporation Electronic image pickup system
WO2003085438A1 (en) * 2002-04-05 2003-10-16 Olympus Corporation Zoom lens and electronic imaging apparatus using it
US7177094B2 (en) 2002-04-05 2007-02-13 Olympus Corporation Zoom lens, and electronic imaging system using the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1247678A (fr) * 1960-02-08 1960-12-02 Kamera & Kinowerke Dresden Veb Objectif lumineux de distance focale variable ayant au moins un intervalle de variation sextuple
GB1214341A (en) * 1968-06-06 1970-12-02 Rank Organisation Ltd Improvements in or relating to objectives of variable focal length

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320566A1 (fr) * 1975-08-06 1977-03-04 Bolex Int Sa Systeme optique

Also Published As

Publication number Publication date
GB1366326A (en) 1974-09-11
FR2106359A1 (enExample) 1972-05-05
FR2106359B1 (enExample) 1975-04-18

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Legal Events

Date Code Title Description
OHA Expiration of time for request for examination