JPH0145603B2 - - Google Patents

Info

Publication number
JPH0145603B2
JPH0145603B2 JP55139931A JP13993180A JPH0145603B2 JP H0145603 B2 JPH0145603 B2 JP H0145603B2 JP 55139931 A JP55139931 A JP 55139931A JP 13993180 A JP13993180 A JP 13993180A JP H0145603 B2 JPH0145603 B2 JP H0145603B2
Authority
JP
Japan
Prior art keywords
area
macro
close
region
normal
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
JP55139931A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5764202A (en
Inventor
Takeshi Muryoi
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP55139931A priority Critical patent/JPS5764202A/ja
Priority to US06/308,110 priority patent/US4421389A/en
Publication of JPS5764202A publication Critical patent/JPS5764202A/ja
Publication of JPH0145603B2 publication Critical patent/JPH0145603B2/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
    • 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)
JP55139931A 1980-10-08 1980-10-08 Macrozoom lens barrel Granted JPS5764202A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55139931A JPS5764202A (en) 1980-10-08 1980-10-08 Macrozoom lens barrel
US06/308,110 US4421389A (en) 1980-10-08 1981-10-02 Macro zoom lens barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55139931A JPS5764202A (en) 1980-10-08 1980-10-08 Macrozoom lens barrel

Publications (2)

Publication Number Publication Date
JPS5764202A JPS5764202A (en) 1982-04-19
JPH0145603B2 true JPH0145603B2 (US06277897-20010821-C00009.png) 1989-10-04

Family

ID=15256994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55139931A Granted JPS5764202A (en) 1980-10-08 1980-10-08 Macrozoom lens barrel

Country Status (2)

Country Link
US (1) US4421389A (US06277897-20010821-C00009.png)
JP (1) JPS5764202A (US06277897-20010821-C00009.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4861147A (en) * 1982-08-17 1989-08-29 Canon Kabushiki Kaisha Zoom lens system
JPS6066216A (ja) * 1983-09-21 1985-04-16 Asahi Optical Co Ltd マクロ機構を有するズ−ムレンズ
DE8428377U1 (de) * 1984-09-27 1984-12-13 Fa. Carl Zeiss, 7920 Heidenheim Zoomobjektivfassung
US4720182A (en) * 1984-11-08 1988-01-19 Nippon Kogaku K.K. Zoom lens capable of effecting a macro operation
US4848884A (en) * 1987-02-05 1989-07-18 Ricoh Company, Ltd. Variable focusing lens barrel
JP3435580B2 (ja) * 1993-04-30 2003-08-11 コニカ株式会社 ズームレンズ鏡胴及びカメラ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54139724A (en) * 1978-04-21 1979-10-30 Asahi Optical Co Ltd Device for focusing zoom lens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784285A (en) * 1972-06-01 1974-01-08 Ponder & Best Zoom lens
JPS5638482Y2 (US06277897-20010821-C00009.png) * 1976-04-09 1981-09-08
US4171880A (en) * 1976-12-09 1979-10-23 Fuji Photo Optical Co., Ltd. Zoom lens system for cameras

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54139724A (en) * 1978-04-21 1979-10-30 Asahi Optical Co Ltd Device for focusing zoom lens

Also Published As

Publication number Publication date
JPS5764202A (en) 1982-04-19
US4421389A (en) 1983-12-20

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