TW200619823A - Imaging lens set - Google Patents

Imaging lens set

Info

Publication number
TW200619823A
TW200619823A TW093137077A TW93137077A TW200619823A TW 200619823 A TW200619823 A TW 200619823A TW 093137077 A TW093137077 A TW 093137077A TW 93137077 A TW93137077 A TW 93137077A TW 200619823 A TW200619823 A TW 200619823A
Authority
TW
Taiwan
Prior art keywords
lens
plane
refractive power
imaging lens
lens set
Prior art date
Application number
TW093137077A
Other languages
Chinese (zh)
Other versions
TWI287168B (en
Inventor
Ching-Chin Wu
Wan-Jian Huang
Chao-Hsu Tsai
Pong Lai
Original Assignee
Ind Tech Res Inst
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 Ind Tech Res Inst filed Critical Ind Tech Res Inst
Priority to TW93137077A priority Critical patent/TWI287168B/en
Publication of TW200619823A publication Critical patent/TW200619823A/en
Application granted granted Critical
Publication of TWI287168B publication Critical patent/TWI287168B/en

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  • Lenses (AREA)

Abstract

An imaging lens set includes a first lens, a second lens and a third lens. In order from object plane to image plane, the first lens has a positive refractive power; the second lens has a negative refractive power, and the third lens has a positive refractive power. By respectively controlling the ratio of curvature radius of the plane of the first lens near the image plane to the plane of the second lens near the object plane, the assembly error sensitivity is reduced in order to improve the yield of assembly and production.
TW93137077A 2004-12-01 2004-12-01 Imaging lens set TWI287168B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW93137077A TWI287168B (en) 2004-12-01 2004-12-01 Imaging lens set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW93137077A TWI287168B (en) 2004-12-01 2004-12-01 Imaging lens set

Publications (2)

Publication Number Publication Date
TW200619823A true TW200619823A (en) 2006-06-16
TWI287168B TWI287168B (en) 2007-09-21

Family

ID=39460242

Family Applications (1)

Application Number Title Priority Date Filing Date
TW93137077A TWI287168B (en) 2004-12-01 2004-12-01 Imaging lens set

Country Status (1)

Country Link
TW (1) TWI287168B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI396932B (en) * 2007-12-14 2013-05-21 Hon Hai Prec Ind Co Ltd Method for measuring modulation transfer function value
TWI484216B (en) * 2009-10-19 2015-05-11 Largan Precision Co Ltd Photographing lens system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI408407B (en) * 2010-11-04 2013-09-11 Hon Hai Prec Ind Co Ltd Ultra wide angle lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI396932B (en) * 2007-12-14 2013-05-21 Hon Hai Prec Ind Co Ltd Method for measuring modulation transfer function value
TWI484216B (en) * 2009-10-19 2015-05-11 Largan Precision Co Ltd Photographing lens system

Also Published As

Publication number Publication date
TWI287168B (en) 2007-09-21

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees