JPS6128966B2 - - Google Patents

Info

Publication number
JPS6128966B2
JPS6128966B2 JP3783880A JP3783880A JPS6128966B2 JP S6128966 B2 JPS6128966 B2 JP S6128966B2 JP 3783880 A JP3783880 A JP 3783880A JP 3783880 A JP3783880 A JP 3783880A JP S6128966 B2 JPS6128966 B2 JP S6128966B2
Authority
JP
Japan
Prior art keywords
lens
positive
biconcave
bonded
axial thickness
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
JP3783880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56133708A (en
Inventor
Hideo Yokota
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP3783880A priority Critical patent/JPS56133708A/ja
Publication of JPS56133708A publication Critical patent/JPS56133708A/ja
Publication of JPS6128966B2 publication Critical patent/JPS6128966B2/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 -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G02B9/18—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + only one component having a compound lens
    • G02B9/20—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + only one component having a compound lens the rear component having the compound

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP3783880A 1980-03-25 1980-03-25 Tessar type lens Granted JPS56133708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3783880A JPS56133708A (en) 1980-03-25 1980-03-25 Tessar type lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3783880A JPS56133708A (en) 1980-03-25 1980-03-25 Tessar type lens

Publications (2)

Publication Number Publication Date
JPS56133708A JPS56133708A (en) 1981-10-20
JPS6128966B2 true JPS6128966B2 (enExample) 1986-07-03

Family

ID=12508664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3783880A Granted JPS56133708A (en) 1980-03-25 1980-03-25 Tessar type lens

Country Status (1)

Country Link
JP (1) JPS56133708A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6325611A (ja) * 1986-07-17 1988-02-03 Asahi Optical Co Ltd 読み取り用レンズ
JP2780461B2 (ja) * 1990-08-14 1998-07-30 キヤノン株式会社 トリミング撮影機構を有した撮影装置

Also Published As

Publication number Publication date
JPS56133708A (en) 1981-10-20

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