JPS6257007B2 - - Google Patents

Info

Publication number
JPS6257007B2
JPS6257007B2 JP57090905A JP9090582A JPS6257007B2 JP S6257007 B2 JPS6257007 B2 JP S6257007B2 JP 57090905 A JP57090905 A JP 57090905A JP 9090582 A JP9090582 A JP 9090582A JP S6257007 B2 JPS6257007 B2 JP S6257007B2
Authority
JP
Japan
Prior art keywords
lens
positive
spherical aberration
light source
condition
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
JP57090905A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58208719A (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 JP9090582A priority Critical patent/JPS58208719A/ja
Publication of JPS58208719A publication Critical patent/JPS58208719A/ja
Publication of JPS6257007B2 publication Critical patent/JPS6257007B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP9090582A 1982-05-28 1982-05-28 光デイスク用対物レンズ Granted JPS58208719A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9090582A JPS58208719A (ja) 1982-05-28 1982-05-28 光デイスク用対物レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9090582A JPS58208719A (ja) 1982-05-28 1982-05-28 光デイスク用対物レンズ

Publications (2)

Publication Number Publication Date
JPS58208719A JPS58208719A (ja) 1983-12-05
JPS6257007B2 true JPS6257007B2 (cs) 1987-11-28

Family

ID=14011414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9090582A Granted JPS58208719A (ja) 1982-05-28 1982-05-28 光デイスク用対物レンズ

Country Status (1)

Country Link
JP (1) JPS58208719A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004341013A (ja) * 2003-05-13 2004-12-02 Olympus Corp 結像光学系及びそれを用いた撮像装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915559A (en) * 1974-10-15 1975-10-28 Bell & Howell Co Short focal length large aperture optical system

Also Published As

Publication number Publication date
JPS58208719A (ja) 1983-12-05

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