MY112554A - Zoom lens of rear focus type. - Google Patents

Zoom lens of rear focus type.

Info

Publication number
MY112554A
MY112554A MYPI92000526A MYPI19920526A MY112554A MY 112554 A MY112554 A MY 112554A MY PI92000526 A MYPI92000526 A MY PI92000526A MY PI19920526 A MYPI19920526 A MY PI19920526A MY 112554 A MY112554 A MY 112554A
Authority
MY
Malaysia
Prior art keywords
lens unit
refractive power
zoom lens
focus type
rear focus
Prior art date
Application number
MYPI92000526A
Inventor
Satoh Hiroshi
Hamano Hiroyuki
Original Assignee
Canon 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 Canon Kk filed Critical Canon Kk
Publication of MY112554A publication Critical patent/MY112554A/en

Links

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  • Lenses (AREA)

Abstract

A ZOOM LENS OF THE REAR FOCUS TYPE IS DISCLOSED, COMPRISING IN THE ORDER FROM THE OBJECT SIDE, A FIRST LENS UNIT (I) HAVING A POSITIVE REFRACTIVE POWER, A SECOND LENS UNIT (II) HAVING A NEGATIVE REFRACTIVE POWER, A THIRD LENS UNIT (III) HAVING A POSITIVE REFRACTIVE POWER, A FOURTH LENS UNIT (IV) HAVING A POSITIVE REFRACTIVE POWER, AND A FIFTH LENS UNIT (V) HAVING A NEGATIVE REFRACTIVE POWER, WHEREIN ZOOMING IS PERFORMED BY MOVING THE SECOND AND FOURTH LENS UNITS (II, IV) AND FOCUSING IS PERFORMED BY MOVING THE FOURTH LENS UNIT (IV). (FIG. 1)
MYPI92000526A 1991-03-29 1992-03-27 Zoom lens of rear focus type. MY112554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6583591A JP2832092B2 (en) 1991-03-29 1991-03-29 Rear focus zoom lens

Publications (1)

Publication Number Publication Date
MY112554A true MY112554A (en) 2001-07-31

Family

ID=13298474

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI92000526A MY112554A (en) 1991-03-29 1992-03-27 Zoom lens of rear focus type.

Country Status (2)

Country Link
JP (1) JP2832092B2 (en)
MY (1) MY112554A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09269452A (en) * 1996-03-29 1997-10-14 Canon Inc Rear focus zoom lens
DE69630833T2 (en) * 1995-05-30 2004-09-23 Canon K.K. Varifocal lens with focus through the rear lens element
JP3478637B2 (en) * 1995-05-30 2003-12-15 キヤノン株式会社 Small zoom lens
JPH0968653A (en) * 1995-08-30 1997-03-11 Olympus Optical Co Ltd Zoom lens
JP3593400B2 (en) * 1995-12-12 2004-11-24 日本電産コパル株式会社 Rear focus zoom lens
JP2002365539A (en) * 2001-06-08 2002-12-18 Sony Corp Zoom lens and imaging apparatus using the same
JP2008102398A (en) * 2006-10-20 2008-05-01 Olympus Imaging Corp Variable power optical system and imaging apparatus using the same

Also Published As

Publication number Publication date
JPH04301612A (en) 1992-10-26
JP2832092B2 (en) 1998-12-02

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