JPH0143291B2 - - Google Patents

Info

Publication number
JPH0143291B2
JPH0143291B2 JP17542785A JP17542785A JPH0143291B2 JP H0143291 B2 JPH0143291 B2 JP H0143291B2 JP 17542785 A JP17542785 A JP 17542785A JP 17542785 A JP17542785 A JP 17542785A JP H0143291 B2 JPH0143291 B2 JP H0143291B2
Authority
JP
Japan
Prior art keywords
lens
aberration
condition
correction
light source
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
JP17542785A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235311A (ja
Inventor
Takahiro Sugyama
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP17542785A priority Critical patent/JPS6235311A/ja
Publication of JPS6235311A publication Critical patent/JPS6235311A/ja
Publication of JPH0143291B2 publication Critical patent/JPH0143291B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
JP17542785A 1985-08-09 1985-08-09 光デイスク用レンズ Granted JPS6235311A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17542785A JPS6235311A (ja) 1985-08-09 1985-08-09 光デイスク用レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17542785A JPS6235311A (ja) 1985-08-09 1985-08-09 光デイスク用レンズ

Publications (2)

Publication Number Publication Date
JPS6235311A JPS6235311A (ja) 1987-02-16
JPH0143291B2 true JPH0143291B2 (cs) 1989-09-20

Family

ID=15995909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17542785A Granted JPS6235311A (ja) 1985-08-09 1985-08-09 光デイスク用レンズ

Country Status (1)

Country Link
JP (1) JPS6235311A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642883B1 (cs) * 1989-02-09 1995-06-02 Asahi Optical Co Ltd
US5173809A (en) * 1989-02-28 1992-12-22 Asahi Kogaku Kogyo Kabushiki Kaisha Objective lens system of optical information recording/reproducing apparatus
US5491587A (en) * 1989-02-28 1996-02-13 Asahi Kogaku Kogyo Kabushiki Kaisha Collimating lens for optical system using semiconductor laser
US6788473B2 (en) 2000-12-07 2004-09-07 Samsung Electronics Co., Ltd. Objective lens device for correcting chromatic aberration and optical pickup employing the same
JP4861066B2 (ja) * 2006-06-15 2012-01-25 キヤノン株式会社 画像読取装置及び反射ミラーユニット

Also Published As

Publication number Publication date
JPS6235311A (ja) 1987-02-16

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