JPH0328685B2 - - Google Patents

Info

Publication number
JPH0328685B2
JPH0328685B2 JP57219555A JP21955582A JPH0328685B2 JP H0328685 B2 JPH0328685 B2 JP H0328685B2 JP 57219555 A JP57219555 A JP 57219555A JP 21955582 A JP21955582 A JP 21955582A JP H0328685 B2 JPH0328685 B2 JP H0328685B2
Authority
JP
Japan
Prior art keywords
lens barrel
lens
zoom
zoom ratio
focusing
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.)
Expired - Lifetime
Application number
JP57219555A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59109008A (ja
Inventor
Hiroshi Iwata
Toshiji Kashiwabara
Yoichi Iwai
Nobuo Yamashita
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.)
West Electric Co Ltd
Original Assignee
West Electric 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 West Electric Co Ltd filed Critical West Electric Co Ltd
Priority to JP21955582A priority Critical patent/JPS59109008A/ja
Priority to US06/560,993 priority patent/US4585313A/en
Publication of JPS59109008A publication Critical patent/JPS59109008A/ja
Publication of JPH0328685B2 publication Critical patent/JPH0328685B2/ja
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
    • G02B7/02—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)
JP21955582A 1982-12-14 1982-12-14 ズ−ムレンズ装置 Granted JPS59109008A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP21955582A JPS59109008A (ja) 1982-12-14 1982-12-14 ズ−ムレンズ装置
US06/560,993 US4585313A (en) 1982-12-14 1983-12-13 Lens drive device and optical lens assembly utilizing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21955582A JPS59109008A (ja) 1982-12-14 1982-12-14 ズ−ムレンズ装置

Publications (2)

Publication Number Publication Date
JPS59109008A JPS59109008A (ja) 1984-06-23
JPH0328685B2 true JPH0328685B2 (enExample) 1991-04-19

Family

ID=16737335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21955582A Granted JPS59109008A (ja) 1982-12-14 1982-12-14 ズ−ムレンズ装置

Country Status (1)

Country Link
JP (1) JPS59109008A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004170558A (ja) * 2002-11-19 2004-06-17 Nidec Copal Corp 携帯情報端末装置
GB2432917B (en) * 2005-12-01 2008-03-12 Vtc Electronics Corp Surveillence camera assembly with external adjusting rings

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513339U (enExample) * 1974-06-24 1976-01-12
JPS51133244U (enExample) * 1975-04-18 1976-10-27

Also Published As

Publication number Publication date
JPS59109008A (ja) 1984-06-23

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