JPS5141354B2 - - Google Patents

Info

Publication number
JPS5141354B2
JPS5141354B2 JP48021766A JP2176673A JPS5141354B2 JP S5141354 B2 JPS5141354 B2 JP S5141354B2 JP 48021766 A JP48021766 A JP 48021766A JP 2176673 A JP2176673 A JP 2176673A JP S5141354 B2 JPS5141354 B2 JP S5141354B2
Authority
JP
Japan
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
JP48021766A
Other versions
JPS49112631A (ja
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 filed Critical
Priority to JP48021766A priority Critical patent/JPS5141354B2/ja
Priority to US444178A priority patent/US3918797A/en
Priority to DE19742408871 priority patent/DE2408871A1/de
Publication of JPS49112631A publication Critical patent/JPS49112631A/ja
Publication of JPS5141354B2 publication Critical patent/JPS5141354B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B15/16—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/163—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/173—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
    • 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
    • G02B15/145—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 having five groups only
    • G02B15/1451—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 having five groups only the first group being positive
    • G02B15/145121—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 having five groups only the first group being positive arranged +-+-+
JP48021766A 1973-02-24 1973-02-24 Expired JPS5141354B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP48021766A JPS5141354B2 (ja) 1973-02-24 1973-02-24
US444178A US3918797A (en) 1973-02-24 1974-02-20 Zoom lens having a shiftable diaphragm disposed between two zoom components
DE19742408871 DE2408871A1 (de) 1973-02-24 1974-02-23 Zoomobjektiv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48021766A JPS5141354B2 (ja) 1973-02-24 1973-02-24

Publications (2)

Publication Number Publication Date
JPS49112631A JPS49112631A (ja) 1974-10-26
JPS5141354B2 true JPS5141354B2 (ja) 1976-11-09

Family

ID=12064180

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48021766A Expired JPS5141354B2 (ja) 1973-02-24 1973-02-24

Country Status (3)

Country Link
US (1) US3918797A (ja)
JP (1) JPS5141354B2 (ja)
DE (1) DE2408871A1 (ja)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT340169B (de) * 1975-12-05 1977-11-25 Eumig Pankratisches kameraobjektiv
JPS5426754A (en) * 1977-07-30 1979-02-28 Asahi Optical Co Ltd Zoom lens having small distorted aberration
JPS559550A (en) * 1978-07-06 1980-01-23 Canon Inc Zoom lens system
US4299454A (en) * 1978-09-11 1981-11-10 Vivitar Corporation Wide angle to long focus zoom lens
US4256381A (en) * 1980-01-31 1981-03-17 Vivitar Corporation Zoom lens
USRE32923E (en) * 1980-01-31 1989-05-16 Vivitar Corporation Zoom lens
JPS578515A (en) * 1980-06-19 1982-01-16 Canon Inc Zoom lens
DE3030205A1 (de) * 1980-08-09 1982-03-25 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zum korrektionsausgleich des oeffnungsfehlers bei abbildenden systemen
JPS5774703A (en) * 1980-10-28 1982-05-11 Asahi Optical Co Ltd Aperture structure of zoom lens for facsimile
JPS5782811A (en) * 1980-11-11 1982-05-24 Canon Inc Zoom lens
JPS5898719A (ja) * 1981-12-08 1983-06-11 Olympus Optical Co Ltd ズ−レンズ
US4705363A (en) * 1983-11-29 1987-11-10 Canon Kabushiki Kaisha Aberrational deterioration prevented zoom lens
US4634250A (en) * 1984-06-05 1987-01-06 Olympus Optical Company, Ltd. Zoom lens barrel
JPS61122623A (ja) * 1984-11-19 1986-06-10 Canon Inc 投影装置
JPS62266511A (ja) * 1986-05-14 1987-11-19 Canon Inc ズ−ムレンズ
JP2881744B2 (ja) * 1990-02-14 1999-04-12 旭光学工業株式会社 実像式ファインダー
GB9226806D0 (en) * 1991-12-25 1993-02-17 Asahi Optical Co Ltd Zoom lens system
ATE349239T1 (de) 2002-04-26 2007-01-15 Gl Tool And Mfg Co Inc Ventil
SG153002A1 (en) 2007-11-16 2009-06-29 Millipore Corp Fluid transfer device
US8544497B2 (en) 2009-10-30 2013-10-01 Emd Millipore Corporation Fluid transfer device and system
DE102012214303B9 (de) 2012-08-10 2022-07-07 Carl Zeiss Ag Optisches System zur Abbildung eines Objekts sowie Aufnahmeeinheit mit einem optischen System

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL90813C (ja) * 1950-07-18
GB722325A (en) * 1951-09-11 1955-01-26 Watson W & Sons Ltd Improvements in or relating to variable magnification optical systems
AT248140B (de) * 1963-03-01 1966-07-11 Eumig Optisches System stetig veränderbarer Brennweite

Also Published As

Publication number Publication date
DE2408871A1 (de) 1974-08-29
JPS49112631A (ja) 1974-10-26
US3918797A (en) 1975-11-11

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