DE3318677A1 - Linsenverstellmechanismus bei einer kamera - Google Patents

Linsenverstellmechanismus bei einer kamera

Info

Publication number
DE3318677A1
DE3318677A1 DE3318677A DE3318677A DE3318677A1 DE 3318677 A1 DE3318677 A1 DE 3318677A1 DE 3318677 A DE3318677 A DE 3318677A DE 3318677 A DE3318677 A DE 3318677A DE 3318677 A1 DE3318677 A1 DE 3318677A1
Authority
DE
Germany
Prior art keywords
ring
lens
tube
pinion
lens adjustment
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
DE3318677A
Other languages
German (de)
English (en)
Other versions
DE3318677C2 (de
Inventor
Shinsuke Tokyo Kohmoto
Zenichi Okura
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of DE3318677A1 publication Critical patent/DE3318677A1/de
Application granted granted Critical
Publication of DE3318677C2 publication Critical patent/DE3318677C2/de
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
DE3318677A 1982-06-07 1983-05-21 Schärfeneinstellmechanismus bei einem Teleobjektiv Expired DE3318677C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982084235U JPS58188614U (ja) 1982-06-07 1982-06-07 レンズ繰り出し機構

Publications (2)

Publication Number Publication Date
DE3318677A1 true DE3318677A1 (de) 1983-12-08
DE3318677C2 DE3318677C2 (de) 1987-02-12

Family

ID=13824804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3318677A Expired DE3318677C2 (de) 1982-06-07 1983-05-21 Schärfeneinstellmechanismus bei einem Teleobjektiv

Country Status (3)

Country Link
US (1) US4560237A (US20020128544A1-20020912-M00022.png)
JP (1) JPS58188614U (US20020128544A1-20020912-M00022.png)
DE (1) DE3318677C2 (US20020128544A1-20020912-M00022.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730901A (en) * 1986-01-10 1988-03-15 Canon Kabushiki Kaisha Lens barrel with internal motor focusing
US4805991A (en) * 1986-03-13 1989-02-21 Canon Kabushiki Kaisha Multi-layer resin molded article and method of making the same
US5262898A (en) * 1988-06-03 1993-11-16 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel and camera incorporating such barrel
CA1331429C (en) * 1988-06-03 1994-08-16 Hiroshi Nomura Zoom lens barrel and camera incorporating such barrel
US5231449A (en) * 1988-06-03 1993-07-27 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel and camera incorporating such barrel
US5255124A (en) * 1989-03-09 1993-10-19 Asahi Kogaku Kogyo Kabushiki Kaisha Cam ring of lens barrel and method for manufacturing same
JPH03209411A (ja) * 1989-09-19 1991-09-12 Asahi Optical Co Ltd 光学部品の保持構造
GB2237406B (en) * 1989-10-27 1993-11-03 Asahi Optical Co Ltd Zoom lens barrel
SG47529A1 (en) * 1993-08-27 1998-04-17 Asahi Optical Co Ltd Zoom lens barrel
US5537262A (en) * 1993-10-19 1996-07-16 Asahi Kogaku Kogyo Kabushiki Kaisha Rotational torque setting apparatus for screw mechanism
JP2597356Y2 (ja) * 1993-12-06 1999-07-05 旭光学工業株式会社 ズームレンズ鏡筒の直進案内装置
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
US8749892B2 (en) 2011-06-17 2014-06-10 DigitalOptics Corporation Europe Limited Auto-focus actuator for field curvature correction of zoom lenses
JP7218127B2 (ja) * 2018-08-31 2023-02-06 キヤノン株式会社 レンズ装置およびカメラシステム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238498A (en) * 1939-10-11 1941-04-15 Eastman Kodak Co Focusing lens mount for cameras
DE746060C (de) * 1938-09-09 1944-06-15 Kodak Ag Rollfilmkamera
DE1783546U (de) * 1958-08-30 1959-02-19 Rodenstock Optik G Vorrichtung zum scharfstellen von aufnahmeobjektiven.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB292470A (en) * 1927-06-18 1929-10-14 Anciens Ets Huet Et Cie Improvements relating to binocular field, opera or like glasses
US3233514A (en) * 1962-02-24 1966-02-08 Schneider Co Optische Werke Control mechanism for varifocal objective and the like
DE1273975B (de) * 1966-07-16 1968-07-25 Schneider Co Optische Werke Einrichtung an photographischen oder kinematographischen Objektiven
US3709132A (en) * 1970-11-27 1973-01-09 Polaroid Corp Photographic focus adjustment apparatus
GB1477501A (en) * 1974-05-22 1977-06-22 Bud H Counting devices
JPS5612605A (en) * 1979-07-13 1981-02-07 Nippon Kogaku Kk <Nikon> Lens barrel
DE3123745A1 (de) * 1980-06-19 1982-03-04 Canon K.K., Tokyo "verfahren zur herstellung einer linsenfassungs-baugruppe"

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746060C (de) * 1938-09-09 1944-06-15 Kodak Ag Rollfilmkamera
US2238498A (en) * 1939-10-11 1941-04-15 Eastman Kodak Co Focusing lens mount for cameras
DE1783546U (de) * 1958-08-30 1959-02-19 Rodenstock Optik G Vorrichtung zum scharfstellen von aufnahmeobjektiven.

Also Published As

Publication number Publication date
JPS58188614U (ja) 1983-12-15
DE3318677C2 (de) 1987-02-12
US4560237A (en) 1985-12-24
JPH0345211Y2 (US20020128544A1-20020912-M00022.png) 1991-09-25

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee