JPS6326364B2 - - Google Patents

Info

Publication number
JPS6326364B2
JPS6326364B2 JP10109680A JP10109680A JPS6326364B2 JP S6326364 B2 JPS6326364 B2 JP S6326364B2 JP 10109680 A JP10109680 A JP 10109680A JP 10109680 A JP10109680 A JP 10109680A JP S6326364 B2 JPS6326364 B2 JP S6326364B2
Authority
JP
Japan
Prior art keywords
lens
curvature
radius
condition
spherical aberration
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
JP10109680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5726815A (en
Inventor
Toshiro Ozawa
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.)
TOMIOKA KOGAKU KK
Original Assignee
TOMIOKA KOGAKU 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 TOMIOKA KOGAKU KK filed Critical TOMIOKA KOGAKU KK
Priority to JP10109680A priority Critical patent/JPS5726815A/ja
Publication of JPS5726815A publication Critical patent/JPS5726815A/ja
Publication of JPS6326364B2 publication Critical patent/JPS6326364B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP10109680A 1980-07-25 1980-07-25 Objective lens for video disk Granted JPS5726815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10109680A JPS5726815A (en) 1980-07-25 1980-07-25 Objective lens for video disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10109680A JPS5726815A (en) 1980-07-25 1980-07-25 Objective lens for video disk

Publications (2)

Publication Number Publication Date
JPS5726815A JPS5726815A (en) 1982-02-13
JPS6326364B2 true JPS6326364B2 (enrdf_load_stackoverflow) 1988-05-30

Family

ID=14291554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10109680A Granted JPS5726815A (en) 1980-07-25 1980-07-25 Objective lens for video disk

Country Status (1)

Country Link
JP (1) JPS5726815A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3220408C2 (de) * 1982-05-29 1985-05-15 Optische Werke G. Rodenstock, 8000 München Abtastobjektiv
JPS58219511A (ja) * 1982-06-16 1983-12-21 Olympus Optical Co Ltd 光デイスク用レンズ
JPS607413A (ja) * 1983-06-28 1985-01-16 Matsushita Electric Ind Co Ltd ビ−ム集光用レンズ
JPS60247212A (ja) * 1984-05-14 1985-12-06 Alps Electric Co Ltd 光ピツクアツプ用対物レンズ
JPH07119889B2 (ja) * 1985-09-20 1995-12-20 コニカ株式会社 光情報記録媒体の記録・再生光学系用集光光学系
JPS62245212A (ja) * 1986-04-18 1987-10-26 Konika Corp コリメ−タ−レンズ

Also Published As

Publication number Publication date
JPS5726815A (en) 1982-02-13

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