JPS51135663A - Endoscope - Google Patents

Endoscope

Info

Publication number
JPS51135663A
JPS51135663A JP50060033A JP6003375A JPS51135663A JP S51135663 A JPS51135663 A JP S51135663A JP 50060033 A JP50060033 A JP 50060033A JP 6003375 A JP6003375 A JP 6003375A JP S51135663 A JPS51135663 A JP S51135663A
Authority
JP
Japan
Prior art keywords
endoscope
lens
object lens
widen
distortion
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.)
Pending
Application number
JP50060033A
Other languages
Japanese (ja)
Inventor
Takeo Koyasu
Michihiro Tokuhara
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 JP50060033A priority Critical patent/JPS51135663A/en
Publication of JPS51135663A publication Critical patent/JPS51135663A/en
Pending legal-status Critical Current

Links

Landscapes

  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Lenses (AREA)

Abstract

PURPOSE: To widen the view for an object without making a large object lens by employing a wide-angle lens having an intensified negative aberration of distortion as the object lens.
COPYRIGHT: (C)1976,JPO&Japio
JP50060033A 1975-05-20 1975-05-20 Endoscope Pending JPS51135663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50060033A JPS51135663A (en) 1975-05-20 1975-05-20 Endoscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50060033A JPS51135663A (en) 1975-05-20 1975-05-20 Endoscope

Publications (1)

Publication Number Publication Date
JPS51135663A true JPS51135663A (en) 1976-11-24

Family

ID=13130342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50060033A Pending JPS51135663A (en) 1975-05-20 1975-05-20 Endoscope

Country Status (1)

Country Link
JP (1) JPS51135663A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54175192U (en) * 1978-05-30 1979-12-11
JPS54181782U (en) * 1978-06-14 1979-12-22
JPS5554101U (en) * 1978-10-07 1980-04-12
JPS55151303U (en) * 1979-04-19 1980-10-31

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54175192U (en) * 1978-05-30 1979-12-11
JPS54181782U (en) * 1978-06-14 1979-12-22
JPS5554101U (en) * 1978-10-07 1980-04-12
JPS55151303U (en) * 1979-04-19 1980-10-31

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