JPS60150018A - 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
JPS60150018A
JPS60150018A JP671584A JP671584A JPS60150018A JP S60150018 A JPS60150018 A JP S60150018A JP 671584 A JP671584 A JP 671584A JP 671584 A JP671584 A JP 671584A JP S60150018 A JPS60150018 A JP S60150018A
Authority
JP
Japan
Prior art keywords
lens
group
light source
positive
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
JP671584A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235650B2 (enrdf_load_html_response
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 JP671584A priority Critical patent/JPS60150018A/ja
Publication of JPS60150018A publication Critical patent/JPS60150018A/ja
Publication of JPS6235650B2 publication Critical patent/JPS6235650B2/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)
JP671584A 1984-01-18 1984-01-18 光ディスク用リレ−レンズ Granted JPS60150018A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP671584A JPS60150018A (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
JP671584A JPS60150018A (ja) 1984-01-18 1984-01-18 光ディスク用リレ−レンズ

Publications (2)

Publication Number Publication Date
JPS60150018A true JPS60150018A (ja) 1985-08-07
JPS6235650B2 JPS6235650B2 (enrdf_load_html_response) 1987-08-03

Family

ID=11645959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP671584A Granted JPS60150018A (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) JPS60150018A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS6235650B2 (enrdf_load_html_response) 1987-08-03

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