FR1336300A - Système optique à distance focale variable - Google Patents

Système optique à distance focale variable

Info

Publication number
FR1336300A
FR1336300A FR903659A FR903659A FR1336300A FR 1336300 A FR1336300 A FR 1336300A FR 903659 A FR903659 A FR 903659A FR 903659 A FR903659 A FR 903659A FR 1336300 A FR1336300 A FR 1336300A
Authority
FR
France
Prior art keywords
optical system
focal length
variable focal
length optical
variable
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
FR903659A
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.)
Societe dOptique et de Mecanique de Haute Precision
Original Assignee
Societe dOptique et de Mecanique de Haute Precision
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 Societe dOptique et de Mecanique de Haute Precision filed Critical Societe dOptique et de Mecanique de Haute Precision
Priority to FR903659A priority Critical patent/FR1336300A/fr
Priority to CH746263A priority patent/CH404233A/fr
Priority to GB25798/63A priority patent/GB1044016A/en
Priority to US293358A priority patent/US3316051A/en
Priority to DE1963S0086089 priority patent/DE1447265B2/de
Application granted granted Critical
Publication of FR1336300A publication Critical patent/FR1336300A/fr
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
    • G02B15/14—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
    • G02B15/143—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 three groups only
    • G02B15/1431—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 three groups only the first group being positive
    • G02B15/143103—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 three groups only the first group being positive arranged ++-
    • 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
    • G02B15/143—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 three groups only
    • G02B15/1431—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 three groups only the first group being positive
    • G02B15/143105—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 three groups only the first group being positive arranged +-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Particle Accelerators (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Eyeglasses (AREA)
FR903659A 1962-07-11 1962-07-11 Système optique à distance focale variable Expired FR1336300A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR903659A FR1336300A (fr) 1962-07-11 1962-07-11 Système optique à distance focale variable
CH746263A CH404233A (fr) 1962-07-11 1963-06-15 Système optique à distance focale variable
GB25798/63A GB1044016A (en) 1962-07-11 1963-06-28 Optical system of variable focal length
US293358A US3316051A (en) 1962-07-11 1963-07-08 Optical system of variable focal length having three consecutive movable elements
DE1963S0086089 DE1447265B2 (de) 1962-07-11 1963-07-10 Optisches system mit variabler vergroesserung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR903659A FR1336300A (fr) 1962-07-11 1962-07-11 Système optique à distance focale variable

Publications (1)

Publication Number Publication Date
FR1336300A true FR1336300A (fr) 1963-08-30

Family

ID=8782971

Family Applications (1)

Application Number Title Priority Date Filing Date
FR903659A Expired FR1336300A (fr) 1962-07-11 1962-07-11 Système optique à distance focale variable

Country Status (5)

Country Link
US (1) US3316051A (fr)
CH (1) CH404233A (fr)
DE (1) DE1447265B2 (fr)
FR (1) FR1336300A (fr)
GB (1) GB1044016A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1622993B1 (de) * 1967-01-25 1970-10-29 Optique Prec Soc D Pankratisches Objektiv
DE1622994B1 (de) * 1967-01-27 1970-11-12 Optique Prec Soc D Pankratisches Objektiv für kinematographische Aufnahmen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299903B (de) * 1963-08-27 1969-07-24 Nippon Kogaku Kk Pankratisches Objektiv
US4637690A (en) * 1981-04-06 1987-01-20 Konishiroku Photo Industry Co., Ltd. Telecentric zoom lens system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB760588A (en) * 1953-10-09 1956-11-07 Watson W & Sons Ltd Improvements in or relating to variable magnification optical systems
US3192829A (en) * 1961-06-16 1965-07-06 Yamaji Keizo Varifocal lens system of wide varifocal range

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1622993B1 (de) * 1967-01-25 1970-10-29 Optique Prec Soc D Pankratisches Objektiv
DE1622994B1 (de) * 1967-01-27 1970-11-12 Optique Prec Soc D Pankratisches Objektiv für kinematographische Aufnahmen

Also Published As

Publication number Publication date
DE1447265B2 (de) 1977-01-27
GB1044016A (en) 1966-09-28
CH404233A (fr) 1965-12-15
DE1447265A1 (de) 1968-12-19
US3316051A (en) 1967-04-25

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