JPH0434126B2 - - Google Patents

Info

Publication number
JPH0434126B2
JPH0434126B2 JP59191993A JP19199384A JPH0434126B2 JP H0434126 B2 JPH0434126 B2 JP H0434126B2 JP 59191993 A JP59191993 A JP 59191993A JP 19199384 A JP19199384 A JP 19199384A JP H0434126 B2 JPH0434126 B2 JP H0434126B2
Authority
JP
Japan
Prior art keywords
lens
curvature
radius
aspherical
group
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
JP59191993A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6169015A (ja
Inventor
Sadao Okudaira
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP59191993A priority Critical patent/JPS6169015A/ja
Publication of JPS6169015A publication Critical patent/JPS6169015A/ja
Publication of JPH0434126B2 publication Critical patent/JPH0434126B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only
    • G02B15/1425—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only the first group being negative

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP59191993A 1984-09-13 1984-09-13 明るい広角ズ−ムレンズ Granted JPS6169015A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59191993A JPS6169015A (ja) 1984-09-13 1984-09-13 明るい広角ズ−ムレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59191993A JPS6169015A (ja) 1984-09-13 1984-09-13 明るい広角ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS6169015A JPS6169015A (ja) 1986-04-09
JPH0434126B2 true JPH0434126B2 (enrdf_load_stackoverflow) 1992-06-05

Family

ID=16283827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59191993A Granted JPS6169015A (ja) 1984-09-13 1984-09-13 明るい広角ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS6169015A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5283693A (en) * 1990-06-13 1994-02-01 Minolta Camera Kabushiki Kaisha Compact zoom lens system
JP5767710B2 (ja) * 2011-08-29 2015-08-19 富士フイルム株式会社 ズームレンズおよび撮像装置
CN103858045B (zh) * 2011-08-29 2016-02-24 富士胶片株式会社 变焦镜头和成像设备
CN103765286B (zh) * 2011-08-29 2016-05-11 富士胶片株式会社 变焦镜头和成像设备
WO2013031184A1 (ja) * 2011-08-29 2013-03-07 富士フイルム株式会社 ズームレンズおよび撮像装置

Also Published As

Publication number Publication date
JPS6169015A (ja) 1986-04-09

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees