JPS5776506A - Zoom lens barrel - Google Patents

Zoom lens barrel

Info

Publication number
JPS5776506A
JPS5776506A JP55151493A JP15149380A JPS5776506A JP S5776506 A JPS5776506 A JP S5776506A JP 55151493 A JP55151493 A JP 55151493A JP 15149380 A JP15149380 A JP 15149380A JP S5776506 A JPS5776506 A JP S5776506A
Authority
JP
Japan
Prior art keywords
ring
engagement
pin
force
group 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.)
Pending
Application number
JP55151493A
Other languages
English (en)
Inventor
Takeshi Muryoi
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
Nikon Corp
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 Nikon Corp, Nippon Kogaku KK filed Critical Nikon Corp
Priority to JP55151493A priority Critical patent/JPS5776506A/ja
Priority to US06/315,441 priority patent/US4472031A/en
Publication of JPS5776506A publication Critical patent/JPS5776506A/ja
Pending 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
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
JP55151493A 1980-10-30 1980-10-30 Zoom lens barrel Pending JPS5776506A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55151493A JPS5776506A (en) 1980-10-30 1980-10-30 Zoom lens barrel
US06/315,441 US4472031A (en) 1980-10-30 1981-10-27 Zoom lens barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55151493A JPS5776506A (en) 1980-10-30 1980-10-30 Zoom lens barrel

Publications (1)

Publication Number Publication Date
JPS5776506A true JPS5776506A (en) 1982-05-13

Family

ID=15519694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55151493A Pending JPS5776506A (en) 1980-10-30 1980-10-30 Zoom lens barrel

Country Status (2)

Country Link
US (1) US4472031A (ja)
JP (1) JPS5776506A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953308U (ja) * 1982-09-30 1984-04-07 株式会社ニコン ズ−ムレンズ鏡筒
JPH01287506A (ja) * 1988-05-14 1989-11-20 Minolta Camera Co Ltd ズームレンズ

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822138A (en) * 1985-11-27 1989-04-18 Canon Kabushiki Kaisha Lens tube unit and method for producing the same
US4974949B1 (en) * 1987-12-21 1996-06-04 Asahi Optical Co Ltd Zoom lens barrel
US5636064A (en) * 1994-07-05 1997-06-03 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel with flat faced helicoid threading
JPH0968641A (ja) * 1995-08-31 1997-03-11 Tochigi Nikon:Kk ズームレンズ鏡筒
JP3587324B2 (ja) * 1996-02-16 2004-11-10 富士写真光機株式会社 インナーフォーカス式ズームレンズ
EP1870753A1 (de) * 2006-06-22 2007-12-26 BCI Finanz AG Aus mehreren optischen Baugruppen gebildetes Projektionsobjektiv mit fester Brennweite für die digitale Projektion
CN100510831C (zh) * 2006-12-31 2009-07-08 深圳市大族激光科技股份有限公司 变倍扩束镜

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5569111A (en) * 1978-11-17 1980-05-24 Minolta Camera Co Ltd Single operation ring type zoom lens barrel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5562412A (en) * 1978-11-04 1980-05-10 Minolta Camera Co Ltd Fixed magnification image pickup device in single operation ring type zoom lens barrel
JPS6020089Y2 (ja) * 1978-11-17 1985-06-17 ミノルタ株式会社 ズ−ムレンズ鏡胴
JPS5926323Y2 (ja) * 1979-03-24 1984-07-31 キヤノン株式会社 レンズ鏡胴の移動胴保持機構

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5569111A (en) * 1978-11-17 1980-05-24 Minolta Camera Co Ltd Single operation ring type zoom lens barrel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953308U (ja) * 1982-09-30 1984-04-07 株式会社ニコン ズ−ムレンズ鏡筒
JPH01287506A (ja) * 1988-05-14 1989-11-20 Minolta Camera Co Ltd ズームレンズ

Also Published As

Publication number Publication date
US4472031A (en) 1984-09-18

Similar Documents

Publication Publication Date Title
JPS53149319A (en) Lens system changeover type camera
JPS55133006A (en) Close-up photographing changeover device of zoom lens barrel
JPS5776506A (en) Zoom lens barrel
JPS5614225A (en) Focusing device
JPS55153909A (en) Change-over device of zoom lens barrel to close range taking
GB1452357A (en) Optical system
JPS57212421A (en) Automatic focus detecting zoom lens
JPS55134809A (en) Lens barrel of closeup photographable zoom lens
JPS56130727A (en) Intermediate lens barrel of camera
JPS5562412A (en) Fixed magnification image pickup device in single operation ring type zoom lens barrel
JPS5245330A (en) Lens barrel for the zoom lens system able for macro shooting
JPS5764202A (en) Macrozoom lens barrel
JPS55106409A (en) Lens barrel of zoom lens capable of taking close-up
JPS57148707A (en) Lens barrel
JPS5559410A (en) Zoom lens barrel which permits operation in two kinds of directions
JPS566226A (en) Taking magnification imprintable lens
JPS5390928A (en) Telephoto lens
JPS56114908A (en) Zoom lens barrel
JPS56122003A (en) Zoom lens barrel capable of selection of operating part
JPS5237447A (en) Device for constructing an optical system for a wide-angle door viewer
JPS5333623A (en) Barrel for aberration variable lens
JPS5459932A (en) Lens barrel
JPS57124317A (en) Lens barrel
JPS53122426A (en) Projector
JPS6435515A (en) Zoom lens