JPS5391729A - Focus and * or focal distance adjusting device - Google Patents

Focus and * or focal distance adjusting device

Info

Publication number
JPS5391729A
JPS5391729A JP13721077A JP13721077A JPS5391729A JP S5391729 A JPS5391729 A JP S5391729A JP 13721077 A JP13721077 A JP 13721077A JP 13721077 A JP13721077 A JP 13721077A JP S5391729 A JPS5391729 A JP S5391729A
Authority
JP
Japan
Prior art keywords
focus
adjusting device
focal distance
distance adjusting
focal
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
JP13721077A
Other languages
English (en)
Inventor
Paaterusu Gotsutofuriito
Ketsunikuru Edouaruto
Furoidenshiyusu Otsutoo
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS5391729A publication Critical patent/JPS5391729A/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
    • G02B7/105—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 with movable lens means specially adapted for focusing at close distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Lenses (AREA)
JP13721077A 1976-11-15 1977-11-15 Focus and * or focal distance adjusting device Pending JPS5391729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT846976A AT345581B (de) 1976-11-15 1976-11-15 Einstelleinrichtung fuer ein pankratisches objektiv

Publications (1)

Publication Number Publication Date
JPS5391729A true JPS5391729A (en) 1978-08-11

Family

ID=3605727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13721077A Pending JPS5391729A (en) 1976-11-15 1977-11-15 Focus and * or focal distance adjusting device

Country Status (5)

Country Link
US (1) US4179191A (ja)
JP (1) JPS5391729A (ja)
AT (1) AT345581B (ja)
DE (1) DE2750580A1 (ja)
FR (1) FR2370992A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55134809A (en) * 1979-04-06 1980-10-21 Canon Inc Lens barrel of closeup photographable zoom lens

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5567716A (en) * 1978-11-17 1980-05-22 Canon Inc Lens structural body
JPS57186872A (en) * 1981-05-13 1982-11-17 Hitachi Ltd Auto-focusing device of video camera
US4812030A (en) * 1985-01-03 1989-03-14 The Boeing Company Catoptric zoom optical device
US5819121A (en) * 1985-05-14 1998-10-06 Canon Kabushiki Kaisha Magnification change-over device for camera
JPH0455014U (ja) * 1990-09-17 1992-05-12
US5353081A (en) * 1993-05-27 1994-10-04 Eastman Kodak Company Camera element position detecting assemblage
CN1069974C (zh) * 1995-02-08 2001-08-22 佳能株式会社 透镜筒
JPH10170801A (ja) * 1996-12-12 1998-06-26 Asahi Optical Co Ltd ズームレンズ鏡筒の駆動装置
US6714359B2 (en) * 2001-10-31 2004-03-30 Pentax Corporation Lens barrel and cam ring
US6879445B2 (en) * 2002-10-25 2005-04-12 Pentax Corporation Power/manual lens barrel having a manual operating ring
TWI262029B (en) * 2005-06-03 2006-09-11 Coretronic Corp Device and method for controlling display

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1422095B1 (de) * 1961-07-29 1969-09-04 Agfa Ag Gummilinsenobjektiv mit Vorrichtung zur wahlweisen Brennweitenverstellung von Hand und durch Motor
US3970368A (en) * 1973-06-14 1976-07-20 Karl Vockenhuber Optical zooming lens
JPS5647533B2 (ja) * 1973-12-14 1981-11-10
AT343937B (de) * 1975-08-06 1978-06-26 Eumig Pankratisches objektiv

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55134809A (en) * 1979-04-06 1980-10-21 Canon Inc Lens barrel of closeup photographable zoom lens
JPS626203B2 (ja) * 1979-04-06 1987-02-09 Canon Kk

Also Published As

Publication number Publication date
ATA846976A (de) 1978-01-15
FR2370992A1 (fr) 1978-06-09
DE2750580A1 (de) 1978-05-18
FR2370992B1 (ja) 1984-02-24
AT345581B (de) 1978-09-25
US4179191A (en) 1979-12-18

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