ITTO20080608A1 - Lente per zoom in particolare del tipo utilizzante lenti asferiche con angolo di visione allargato - Google Patents

Lente per zoom in particolare del tipo utilizzante lenti asferiche con angolo di visione allargato

Info

Publication number
ITTO20080608A1
ITTO20080608A1 IT000608A ITTO20080608A ITTO20080608A1 IT TO20080608 A1 ITTO20080608 A1 IT TO20080608A1 IT 000608 A IT000608 A IT 000608A IT TO20080608 A ITTO20080608 A IT TO20080608A IT TO20080608 A1 ITTO20080608 A1 IT TO20080608A1
Authority
IT
Italy
Prior art keywords
zoom
lens
type
aspheric lenses
vision angle
Prior art date
Application number
IT000608A
Other languages
English (en)
Inventor
Mayumi Kawada
Ken Shimizu
Original Assignee
Elmo 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 Elmo Co Ltd filed Critical Elmo Co Ltd
Publication of ITTO20080608A1 publication Critical patent/ITTO20080608A1/it
Application granted granted Critical
Publication of IT1391036B1 publication Critical patent/IT1391036B1/it

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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144113—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 four groups only the first group being positive arranged +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
ITTO2008A000608A 2007-08-03 2008-08-01 Lente per zoom in particolare del tipo utilizzante lenti asferiche con angolo di visione allargato IT1391036B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007202794A JP5159203B2 (ja) 2007-08-03 2007-08-03 ズームレンズ

Publications (2)

Publication Number Publication Date
ITTO20080608A1 true ITTO20080608A1 (it) 2009-02-04
IT1391036B1 IT1391036B1 (it) 2011-10-27

Family

ID=40337841

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2008A000608A IT1391036B1 (it) 2007-08-03 2008-08-01 Lente per zoom in particolare del tipo utilizzante lenti asferiche con angolo di visione allargato

Country Status (3)

Country Link
US (1) US7760440B2 (it)
JP (1) JP5159203B2 (it)
IT (1) IT1391036B1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8320051B2 (en) 2009-10-13 2012-11-27 Panasonic Corporation Zoom lens system, imaging device and camera
WO2012046450A1 (ja) * 2010-10-08 2012-04-12 富士フイルム株式会社 ズームレンズおよび撮像装置
JP5623305B2 (ja) 2011-02-07 2014-11-12 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
CN103322428B (zh) * 2012-03-19 2015-06-03 南京英田光学工程有限公司 一种扇形面-线形光源及使用该光源的动作感应设备
WO2013151153A1 (ja) * 2012-04-06 2013-10-10 コニカミノルタ株式会社 撮像レンズ、撮像レンズユニット及び撮像装置
JP2017146518A (ja) * 2016-02-19 2017-08-24 富士フイルム株式会社 撮像レンズおよび撮像装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3033276B2 (ja) 1991-09-18 2000-04-17 松下電器産業株式会社 広角非球面ズームレンズ
JP2000227552A (ja) 1999-02-08 2000-08-15 Sony Corp ズームレンズ
JP2003140044A (ja) 2001-10-30 2003-05-14 Matsushita Electric Ind Co Ltd ズームレンズ、並びにそれを用いたビデオカメラ及びディジタルスチルカメラ
JP4007258B2 (ja) 2003-01-17 2007-11-14 ソニー株式会社 ズームレンズ及び撮像装置
JP5006575B2 (ja) * 2006-05-25 2012-08-22 キヤノン株式会社 ズームレンズ及びそれを用いた撮像装置
JP4429325B2 (ja) * 2007-01-22 2010-03-10 キヤノン株式会社 リアーフォーカス式のズームレンズ

Also Published As

Publication number Publication date
JP5159203B2 (ja) 2013-03-06
US7760440B2 (en) 2010-07-20
JP2009037105A (ja) 2009-02-19
US20090034089A1 (en) 2009-02-05
IT1391036B1 (it) 2011-10-27

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