JPS60150017A - 光ディスク用リレ−レンズ - Google Patents

光ディスク用リレ−レンズ

Info

Publication number
JPS60150017A
JPS60150017A JP671484A JP671484A JPS60150017A JP S60150017 A JPS60150017 A JP S60150017A JP 671484 A JP671484 A JP 671484A JP 671484 A JP671484 A JP 671484A JP S60150017 A JPS60150017 A JP S60150017A
Authority
JP
Japan
Prior art keywords
lens
group
positive
light source
focal length
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.)
Granted
Application number
JP671484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235649B2 (enrdf_load_stackoverflow
Inventor
Takahiro Sugiyama
孝浩 杉山
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 JP671484A priority Critical patent/JPS60150017A/ja
Publication of JPS60150017A publication Critical patent/JPS60150017A/ja
Publication of JPS6235649B2 publication Critical patent/JPS6235649B2/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)
JP671484A 1984-01-18 1984-01-18 光ディスク用リレ−レンズ Granted JPS60150017A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP671484A JPS60150017A (ja) 1984-01-18 1984-01-18 光ディスク用リレ−レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP671484A JPS60150017A (ja) 1984-01-18 1984-01-18 光ディスク用リレ−レンズ

Publications (2)

Publication Number Publication Date
JPS60150017A true JPS60150017A (ja) 1985-08-07
JPS6235649B2 JPS6235649B2 (enrdf_load_stackoverflow) 1987-08-03

Family

ID=11645933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP671484A Granted JPS60150017A (ja) 1984-01-18 1984-01-18 光ディスク用リレ−レンズ

Country Status (1)

Country Link
JP (1) JPS60150017A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012022104A (ja) * 2010-07-14 2012-02-02 Sumitomo Heavy Ind Ltd レーザ加工装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012022104A (ja) * 2010-07-14 2012-02-02 Sumitomo Heavy Ind Ltd レーザ加工装置

Also Published As

Publication number Publication date
JPS6235649B2 (enrdf_load_stackoverflow) 1987-08-03

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