JPS5434234A - Photographic wide angle lens - Google Patents

Photographic wide angle lens

Info

Publication number
JPS5434234A
JPS5434234A JP10015777A JP10015777A JPS5434234A JP S5434234 A JPS5434234 A JP S5434234A JP 10015777 A JP10015777 A JP 10015777A JP 10015777 A JP10015777 A JP 10015777A JP S5434234 A JPS5434234 A JP S5434234A
Authority
JP
Japan
Prior art keywords
wide angle
angle lens
photographic wide
lens groups
photographic
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
JP10015777A
Other languages
Japanese (ja)
Inventor
Jihei Nakagawa
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP10015777A priority Critical patent/JPS5434234A/en
Publication of JPS5434234A publication Critical patent/JPS5434234A/en
Pending legal-status Critical Current

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  • Lenses (AREA)

Abstract

PURPOSE: To make the wide angle lens compact and effectively correct the aberration by providing the 7-group constitution in which four lens groups are disposed before the stop, the composite focal distance of the four lens groups is negative, yet made to be considerably strong, and further, special requirements between lenses are satisfied.
COPYRIGHT: (C)1979,JPO&Japio
JP10015777A 1977-08-23 1977-08-23 Photographic wide angle lens Pending JPS5434234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10015777A JPS5434234A (en) 1977-08-23 1977-08-23 Photographic wide angle lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10015777A JPS5434234A (en) 1977-08-23 1977-08-23 Photographic wide angle lens

Publications (1)

Publication Number Publication Date
JPS5434234A true JPS5434234A (en) 1979-03-13

Family

ID=14266474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10015777A Pending JPS5434234A (en) 1977-08-23 1977-08-23 Photographic wide angle lens

Country Status (1)

Country Link
JP (1) JPS5434234A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59226315A (en) * 1983-06-08 1984-12-19 Olympus Optical Co Ltd Endoscope objective lens
JP2007225959A (en) * 2006-02-24 2007-09-06 Pentax Corp Wide angle lens system
JP2010176016A (en) * 2009-01-30 2010-08-12 Nikon Corp Wide-angle lens, imaging apparatus, and method for manufacturing the wide-angle lens

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59226315A (en) * 1983-06-08 1984-12-19 Olympus Optical Co Ltd Endoscope objective lens
JPH0414324B2 (en) * 1983-06-08 1992-03-12 Olympus Optical Co
JP2007225959A (en) * 2006-02-24 2007-09-06 Pentax Corp Wide angle lens system
JP4667269B2 (en) * 2006-02-24 2011-04-06 Ｈｏｙａ株式会社 Wide-angle lens system
JP2010176016A (en) * 2009-01-30 2010-08-12 Nikon Corp Wide-angle lens, imaging apparatus, and method for manufacturing the wide-angle lens

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