GB2422437B - Stepwise zoom lens barrel - Google Patents

Stepwise zoom lens barrel

Info

Publication number
GB2422437B
GB2422437B GB0501422A GB0501422A GB2422437B GB 2422437 B GB2422437 B GB 2422437B GB 0501422 A GB0501422 A GB 0501422A GB 0501422 A GB0501422 A GB 0501422A GB 2422437 B GB2422437 B GB 2422437B
Authority
GB
United Kingdom
Prior art keywords
lens barrel
zoom lens
stepwise zoom
stepwise
barrel
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 - Fee Related
Application number
GB0501422A
Other versions
GB0501422D0 (en
GB2422437A (en
Inventor
Hui-Man Wang
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.)
Nucam Corp
Original Assignee
Nucam Corp
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 Nucam Corp filed Critical Nucam Corp
Priority to GB0501422A priority Critical patent/GB2422437B/en
Publication of GB0501422D0 publication Critical patent/GB0501422D0/en
Publication of GB2422437A publication Critical patent/GB2422437A/en
Application granted granted Critical
Publication of GB2422437B publication Critical patent/GB2422437B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B7/102—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 controlled by a microcomputer
    • 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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lens Barrels (AREA)
GB0501422A 2005-01-24 2005-01-24 Stepwise zoom lens barrel Expired - Fee Related GB2422437B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0501422A GB2422437B (en) 2005-01-24 2005-01-24 Stepwise zoom lens barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0501422A GB2422437B (en) 2005-01-24 2005-01-24 Stepwise zoom lens barrel

Publications (3)

Publication Number Publication Date
GB0501422D0 GB0501422D0 (en) 2005-03-02
GB2422437A GB2422437A (en) 2006-07-26
GB2422437B true GB2422437B (en) 2007-05-02

Family

ID=34259562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0501422A Expired - Fee Related GB2422437B (en) 2005-01-24 2005-01-24 Stepwise zoom lens barrel

Country Status (1)

Country Link
GB (1) GB2422437B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6108137A (en) * 1997-04-18 2000-08-22 Nikon Corporation Zoom lens system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6108137A (en) * 1997-04-18 2000-08-22 Nikon Corporation Zoom lens system

Also Published As

Publication number Publication date
GB0501422D0 (en) 2005-03-02
GB2422437A (en) 2006-07-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130124