FR2296193A1 - Teleobjectif a groupe mobile de lentilles - Google Patents

Teleobjectif a groupe mobile de lentilles

Info

Publication number
FR2296193A1
FR2296193A1 FR7539842A FR7539842A FR2296193A1 FR 2296193 A1 FR2296193 A1 FR 2296193A1 FR 7539842 A FR7539842 A FR 7539842A FR 7539842 A FR7539842 A FR 7539842A FR 2296193 A1 FR2296193 A1 FR 2296193A1
Authority
FR
France
Prior art keywords
lens
mobile
telephoto
telephoto lens
mobile lens
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.)
Granted
Application number
FR7539842A
Other languages
English (en)
Other versions
FR2296193B1 (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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of FR2296193A1 publication Critical patent/FR2296193A1/fr
Application granted granted Critical
Publication of FR2296193B1 publication Critical patent/FR2296193B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
FR7539842A 1974-12-28 1975-12-26 Teleobjectif a groupe mobile de lentilles Granted FR2296193A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50001298A JPS5178326A (en) 1974-12-28 1974-12-28 Boenrenzu

Publications (2)

Publication Number Publication Date
FR2296193A1 true FR2296193A1 (fr) 1976-07-23
FR2296193B1 FR2296193B1 (fr) 1978-05-19

Family

ID=11497552

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7539842A Granted FR2296193A1 (fr) 1974-12-28 1975-12-26 Teleobjectif a groupe mobile de lentilles

Country Status (5)

Country Link
US (1) US4113357A (fr)
JP (1) JPS5178326A (fr)
DE (1) DE2556611C2 (fr)
FR (1) FR2296193A1 (fr)
GB (1) GB1527618A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53134425A (en) * 1977-04-28 1978-11-24 Nippon Chemical Ind Large aperture ratio telescopic lens
JPS6048011B2 (ja) * 1979-03-12 1985-10-24 旭光学工業株式会社 望遠率の小さい望遠レンズ
JPS55140810A (en) * 1979-04-20 1980-11-04 Canon Inc Telephoto lens
JPS5741608A (en) 1980-08-27 1982-03-08 Nippon Kogaku Kk <Nikon> Lens for closeup photographing
JPS5882217A (ja) * 1981-11-11 1983-05-17 Asahi Optical Co Ltd 明るい望遠レンズ
JPS5878423U (ja) * 1981-11-21 1983-05-27 ダイキン工業株式会社 換気装置
JPS58205124A (ja) * 1982-05-26 1983-11-30 Nippon Kogaku Kk <Nikon> 反射屈折型望遠レンズ
JPS5923314A (ja) * 1982-07-30 1984-02-06 Nippon Kogaku Kk <Nikon> 内部合焦ズ−ムレンズ
US4610514A (en) * 1982-10-07 1986-09-09 Minolta Camera Kabushiki Kaisha Telephoto lens system
US4500315A (en) * 1982-11-08 1985-02-19 Personal Products Company Superthin absorbent product
JPS59147314A (ja) * 1983-02-12 1984-08-23 Minolta Camera Co Ltd ズ−ムレンズ系
JPS60418A (ja) * 1983-06-17 1985-01-05 Olympus Optical Co Ltd 望遠レンズ
JPS6028612A (ja) * 1983-07-27 1985-02-13 Nippon Kogaku Kk <Nikon> 大口径比望遠レンズ
JPS62227111A (ja) * 1986-03-28 1987-10-06 Asahi Optical Co Ltd 接写可能な望遠レンズ系
JPS6331041Y2 (fr) * 1986-06-12 1988-08-19
US5323270A (en) * 1991-01-23 1994-06-21 Nikon Corporation Internal focusing telephoto lens
JPH085907A (ja) * 1994-06-23 1996-01-12 Nikon Corp 望遠レンズ光学系
JP3505099B2 (ja) * 1999-02-04 2004-03-08 ペンタックス株式会社 中望遠レンズ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578847A (en) * 1969-10-03 1971-05-18 Polaroid Corp Three element objective lens

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440088A (en) * 1943-04-22 1948-04-20 Polaroid Corp Optical lens system
US2582085A (en) * 1950-09-01 1952-01-08 Eastman Kodak Co Wide-angle lens attachment with front element of high index glass
US3152209A (en) * 1961-04-28 1964-10-06 Bell & Howell Co Wide angle lens attachment
CH381878A (fr) * 1962-11-15 1964-09-15 Paillard Sa Objectif à focale variable
JPS3935289Y1 (fr) * 1964-04-27 1964-11-26
JPS512369B1 (fr) * 1971-04-09 1976-01-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578847A (en) * 1969-10-03 1971-05-18 Polaroid Corp Three element objective lens

Also Published As

Publication number Publication date
US4113357A (en) 1978-09-12
JPS5540847B2 (fr) 1980-10-21
FR2296193B1 (fr) 1978-05-19
GB1527618A (en) 1978-10-04
DE2556611A1 (de) 1976-07-08
JPS5178326A (en) 1976-07-07
DE2556611C2 (de) 1986-03-06

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