DE2640454C3 - Objektivfassung für ein Varioobjektiv - Google Patents

Objektivfassung für ein Varioobjektiv

Info

Publication number
DE2640454C3
DE2640454C3 DE2640454A DE2640454A DE2640454C3 DE 2640454 C3 DE2640454 C3 DE 2640454C3 DE 2640454 A DE2640454 A DE 2640454A DE 2640454 A DE2640454 A DE 2640454A DE 2640454 C3 DE2640454 C3 DE 2640454C3
Authority
DE
Germany
Prior art keywords
variator
compensator
sleeve
guide
close
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
Application number
DE2640454A
Other languages
German (de)
English (en)
Other versions
DE2640454B2 (de
DE2640454A1 (de
Inventor
Yukio Suwa Nagano Ito
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.)
Nitto Optical Co Ltd
Original Assignee
Nitto Optical 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 Nitto Optical Co Ltd filed Critical Nitto Optical Co Ltd
Publication of DE2640454A1 publication Critical patent/DE2640454A1/de
Publication of DE2640454B2 publication Critical patent/DE2640454B2/de
Application granted granted Critical
Publication of DE2640454C3 publication Critical patent/DE2640454C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/22—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with movable lens means specially adapted for focusing at close distances
    • 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
    • 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)
DE2640454A 1975-09-08 1976-09-08 Objektivfassung für ein Varioobjektiv Expired DE2640454C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50108674A JPS5232343A (en) 1975-09-08 1975-09-08 Zoom lens being capable of close view photographing

Publications (3)

Publication Number Publication Date
DE2640454A1 DE2640454A1 (de) 1977-03-17
DE2640454B2 DE2640454B2 (de) 1980-12-18
DE2640454C3 true DE2640454C3 (de) 1981-10-01

Family

ID=14490789

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2640454A Expired DE2640454C3 (de) 1975-09-08 1976-09-08 Objektivfassung für ein Varioobjektiv

Country Status (3)

Country Link
US (1) US4099847A (enExample)
JP (1) JPS5232343A (enExample)
DE (1) DE2640454C3 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5590928A (en) * 1978-12-29 1980-07-10 Olympus Optical Co Ltd Endoscope objective lens which performs changing of magnification and focusing simultaneously
JPS55134809A (en) * 1979-04-06 1980-10-21 Canon Inc Lens barrel of closeup photographable zoom lens
JPS5932969Y2 (ja) * 1979-06-29 1984-09-14 株式会社ニコン マクロ撮影の可能なズ−ムレンズ
JPS5923309A (ja) * 1982-07-30 1984-02-06 Sony Corp レンズの移動機構
JP2802950B2 (ja) * 1989-11-20 1998-09-24 旭光学工業株式会社 レンズのカム機構
JP2567258Y2 (ja) * 1990-05-29 1998-04-02 旭光学工業株式会社 レンズ案内装置
JPH04125607A (ja) * 1990-09-18 1992-04-27 Canon Inc 光学機器
JP3045833B2 (ja) * 1991-07-02 2000-05-29 旭光学工業株式会社 防滴防水カメラ用レンズ鏡筒
GB2261298A (en) * 1991-11-08 1993-05-12 Ind Tech Res Inst Zoom lens mount having openended slots
JP3678693B2 (ja) 2001-10-30 2005-08-03 コマツ産機株式会社 熱切断加工機
DE10222041B4 (de) * 2002-05-10 2006-01-26 Leica Microsystems (Schweiz) Ag Afokales Zoomsystem zur Verwendung in Mikroskopen
JP5219669B2 (ja) * 2008-07-28 2013-06-26 キヤノン株式会社 レンズ装置及び光学機器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH381878A (fr) * 1962-11-15 1964-09-15 Paillard Sa Objectif à focale variable
JPS4841903B1 (enExample) * 1969-07-12 1973-12-10
US3817600A (en) * 1971-06-14 1974-06-18 Ponder & Best Zoom lens having close-up focusing mode of operation
US3784285A (en) * 1972-06-01 1974-01-08 Ponder & Best Zoom lens
JPS5220136B2 (enExample) * 1972-11-18 1977-06-01
JPS503354A (enExample) * 1973-05-11 1975-01-14

Also Published As

Publication number Publication date
JPS5232343A (en) 1977-03-11
DE2640454B2 (de) 1980-12-18
DE2640454A1 (de) 1977-03-17
JPS5513336B2 (enExample) 1980-04-08
US4099847A (en) 1978-07-11

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)