JPS6232763B2 - - Google Patents

Info

Publication number
JPS6232763B2
JPS6232763B2 JP54072904A JP7290479A JPS6232763B2 JP S6232763 B2 JPS6232763 B2 JP S6232763B2 JP 54072904 A JP54072904 A JP 54072904A JP 7290479 A JP7290479 A JP 7290479A JP S6232763 B2 JPS6232763 B2 JP S6232763B2
Authority
JP
Japan
Prior art keywords
lens
group
single lens
surface facing
convex surface
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
JP54072904A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55164805A (en
Inventor
Sho Tokumaru
Akyoshi Nakamura
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP7290479A priority Critical patent/JPS55164805A/ja
Priority to US06/151,445 priority patent/US4382662A/en
Publication of JPS55164805A publication Critical patent/JPS55164805A/ja
Publication of JPS6232763B2 publication Critical patent/JPS6232763B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
JP7290479A 1979-06-08 1979-06-08 Reverse telephoto type wide-angle lens Granted JPS55164805A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7290479A JPS55164805A (en) 1979-06-08 1979-06-08 Reverse telephoto type wide-angle lens
US06/151,445 US4382662A (en) 1979-06-08 1980-05-19 Inverted telephoto type wide angle lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7290479A JPS55164805A (en) 1979-06-08 1979-06-08 Reverse telephoto type wide-angle lens

Publications (2)

Publication Number Publication Date
JPS55164805A JPS55164805A (en) 1980-12-22
JPS6232763B2 true JPS6232763B2 (bg) 1987-07-16

Family

ID=13502794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7290479A Granted JPS55164805A (en) 1979-06-08 1979-06-08 Reverse telephoto type wide-angle lens

Country Status (1)

Country Link
JP (1) JPS55164805A (bg)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934797A (en) * 1988-09-30 1990-06-19 Asahi Kogaku Kogyo Kabushiki Kaisha Wide-angle lens system of a retrofocus type

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4912822A (bg) * 1972-05-10 1974-02-04
JPS5339759A (en) * 1976-09-22 1978-04-11 Asahi Optical Co Ltd Small sized bright wide zoom lens
JPS53135658A (en) * 1977-04-30 1978-11-27 Asahi Optical Co Ltd Zoom lens including ultraawide lens
JPS5415733A (en) * 1977-06-10 1979-02-05 Asahi Optical Co Ltd Lowwmagnification variableeangleelens system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4912822A (bg) * 1972-05-10 1974-02-04
JPS5339759A (en) * 1976-09-22 1978-04-11 Asahi Optical Co Ltd Small sized bright wide zoom lens
JPS53135658A (en) * 1977-04-30 1978-11-27 Asahi Optical Co Ltd Zoom lens including ultraawide lens
JPS5415733A (en) * 1977-06-10 1979-02-05 Asahi Optical Co Ltd Lowwmagnification variableeangleelens system

Also Published As

Publication number Publication date
JPS55164805A (en) 1980-12-22

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