FR2466790B1 - - Google Patents

Info

Publication number
FR2466790B1
FR2466790B1 FR8021073A FR8021073A FR2466790B1 FR 2466790 B1 FR2466790 B1 FR 2466790B1 FR 8021073 A FR8021073 A FR 8021073A FR 8021073 A FR8021073 A FR 8021073A FR 2466790 B1 FR2466790 B1 FR 2466790B1
Authority
FR
France
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
FR8021073A
Other versions
FR2466790A1 (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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of FR2466790A1 publication Critical patent/FR2466790A1/fr
Application granted granted Critical
Publication of FR2466790B1 publication Critical patent/FR2466790B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Structure And Mechanism Of Cameras (AREA)
FR8021073A 1979-10-01 1980-10-01 Systeme d'objectif de mise au point par zone notamment pour appareil de prise de vues photographique Granted FR2466790A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/080,433 US4240724A (en) 1979-10-01 1979-10-01 Zone focusing optical system

Publications (2)

Publication Number Publication Date
FR2466790A1 FR2466790A1 (fr) 1981-04-10
FR2466790B1 true FR2466790B1 (fr) 1984-11-16

Family

ID=22157346

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8021073A Granted FR2466790A1 (fr) 1979-10-01 1980-10-01 Systeme d'objectif de mise au point par zone notamment pour appareil de prise de vues photographique

Country Status (7)

Country Link
US (1) US4240724A (fr)
JP (1) JPS5695223A (fr)
CA (1) CA1133306A (fr)
DE (1) DE3036916A1 (fr)
FR (1) FR2466790A1 (fr)
GB (1) GB2060195B (fr)
IE (1) IE50693B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438380A (en) * 1992-08-17 1995-08-01 Fuji Photo Film Co., Ltd. Lens-fitted photographic film unit and photofinishing method using the same
DE102005032128A1 (de) * 2005-07-07 2007-01-18 Gubela Sen., Hans-Erich Wechsellinse

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US494128A (en) * 1893-03-28 Lens for cameras
US1651493A (en) * 1922-07-27 1927-12-06 Warmisham Arthur Telescopic attachment for hand cameras
US1810598A (en) * 1929-02-26 1931-06-16 Gen Electric Scanning disk
US1973203A (en) * 1932-09-15 1934-09-11 Zeiss Ikon Ag Dresden Nipkow disk for television
US2063178A (en) * 1934-01-30 1936-12-08 Zeiss Carl Fa Photographic objective
US2327859A (en) * 1941-03-28 1943-08-24 Bolsey Jacques Combined view-finding and focusing device
GB561597A (en) * 1942-12-08 1944-05-25 Gunther Loeck Improvements in or relating to optical systems
US2482571A (en) * 1945-03-31 1949-09-20 Fairchild Camera Instr Co Camera focusing structure having pivoted supplementary lens
US2586418A (en) * 1950-09-29 1952-02-19 American Optical Corp Two element photographic lens system
US2669709A (en) * 1950-10-19 1954-02-16 American Optical Corp Image projection optical system
US3388650A (en) * 1964-12-07 1968-06-18 Leonard F. Westphalen Multifocal camera
US3418908A (en) * 1966-09-06 1968-12-31 Polaroid Corp Range finding-focusing apparatus for a photographic camera
FR1542937A (fr) * 1966-12-08 Ibm Système de lentilles à réduction variable
US3479942A (en) * 1967-09-19 1969-11-25 Polaroid Corp Camera apparatus
US3648056A (en) * 1970-01-12 1972-03-07 Honeywell Inc Optical detector with radiant energy absorbing chamber
DE2352076C3 (de) * 1973-10-17 1978-08-31 Kodak Ag, 7000 Stuttgart Photographische Kamera mit mehreren wahlweise verwendbaren Objektiven und einem Blendenverschluß
JPS5096222A (fr) * 1973-12-22 1975-07-31
US3902792A (en) * 1974-01-02 1975-09-02 Polaroid Corp Landscape lens
JPS5170650A (ja) * 1974-12-16 1976-06-18 Hitachi Ltd Kogakukansatsusochi
US4105308A (en) * 1977-01-03 1978-08-08 Polaroid Corporation Aspheric plastic triplet
CH623139A5 (en) * 1977-12-02 1981-05-15 Bolex Int Sa Lens system
US4167316A (en) * 1978-06-26 1979-09-11 Polaroid Corporation Sonar controlled lens focus apparatus

Also Published As

Publication number Publication date
DE3036916A1 (de) 1981-04-09
GB2060195A (en) 1981-04-29
CA1133306A (fr) 1982-10-12
IE50693B1 (en) 1986-06-25
FR2466790A1 (fr) 1981-04-10
GB2060195B (en) 1983-09-21
IE802037L (en) 1981-04-01
DE3036916C2 (fr) 1992-10-01
JPH0326369B2 (fr) 1991-04-10
US4240724A (en) 1980-12-23
JPS5695223A (en) 1981-08-01

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