JPS52117144A - Wide angle lens - Google Patents

Wide angle lens

Info

Publication number
JPS52117144A
JPS52117144A JP3399076A JP3399076A JPS52117144A JP S52117144 A JPS52117144 A JP S52117144A JP 3399076 A JP3399076 A JP 3399076A JP 3399076 A JP3399076 A JP 3399076A JP S52117144 A JPS52117144 A JP S52117144A
Authority
JP
Japan
Prior art keywords
wide angle
angle lens
spherical
making
distortion aberration
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
JP3399076A
Other languages
Japanese (ja)
Inventor
Tadaharu Tomita
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP3399076A priority Critical patent/JPS52117144A/en
Publication of JPS52117144A publication Critical patent/JPS52117144A/en
Pending legal-status Critical Current

Links

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  • Lenses (AREA)

Abstract

PURPOSE: To reduce distortion aberration by making the lens face composing the system non-spherical.
COPYRIGHT: (C)1977,JPO&Japio
JP3399076A 1976-03-26 1976-03-26 Wide angle lens Pending JPS52117144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3399076A JPS52117144A (en) 1976-03-26 1976-03-26 Wide angle lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3399076A JPS52117144A (en) 1976-03-26 1976-03-26 Wide angle lens

Publications (1)

Publication Number Publication Date
JPS52117144A true JPS52117144A (en) 1977-10-01

Family

ID=12401908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3399076A Pending JPS52117144A (en) 1976-03-26 1976-03-26 Wide angle lens

Country Status (1)

Country Link
JP (1) JPS52117144A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55143505A (en) * 1979-04-27 1980-11-08 Ichikoh Ind Ltd Fade area recognizing device for automobile
JPS5766414A (en) * 1980-10-13 1982-04-22 Ricoh Co Ltd Projection lens device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55143505A (en) * 1979-04-27 1980-11-08 Ichikoh Ind Ltd Fade area recognizing device for automobile
JPS5766414A (en) * 1980-10-13 1982-04-22 Ricoh Co Ltd Projection lens device

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