JPH0146044B2 - - Google Patents

Info

Publication number
JPH0146044B2
JPH0146044B2 JP58038625A JP3862583A JPH0146044B2 JP H0146044 B2 JPH0146044 B2 JP H0146044B2 JP 58038625 A JP58038625 A JP 58038625A JP 3862583 A JP3862583 A JP 3862583A JP H0146044 B2 JPH0146044 B2 JP H0146044B2
Authority
JP
Japan
Prior art keywords
lens
lens group
focal length
positive
lenses
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
JP58038625A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59164517A (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 JP58038625A priority Critical patent/JPS59164517A/ja
Priority to US06/506,266 priority patent/US4523814A/en
Priority to DE19833322640 priority patent/DE3322640A1/de
Priority to KR1019830006362A priority patent/KR890005030B1/ko
Publication of JPS59164517A publication Critical patent/JPS59164517A/ja
Publication of JPH0146044B2 publication Critical patent/JPH0146044B2/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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144113—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 four groups only the first group being positive arranged +-++
    • 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
    • G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/20—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having an additional movable lens or lens group for varying the objective focal length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP58038625A 1982-06-23 1983-03-09 ズ−ムレンズ Granted JPS59164517A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP58038625A JPS59164517A (ja) 1983-03-09 1983-03-09 ズ−ムレンズ
US06/506,266 US4523814A (en) 1982-06-23 1983-06-21 Zoom lens
DE19833322640 DE3322640A1 (de) 1982-06-23 1983-06-23 Varioobjektiv
KR1019830006362A KR890005030B1 (ko) 1983-03-09 1983-12-31 줌렌즈

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58038625A JPS59164517A (ja) 1983-03-09 1983-03-09 ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS59164517A JPS59164517A (ja) 1984-09-17
JPH0146044B2 true JPH0146044B2 (en]) 1989-10-05

Family

ID=12530419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58038625A Granted JPS59164517A (ja) 1982-06-23 1983-03-09 ズ−ムレンズ

Country Status (2)

Country Link
JP (1) JPS59164517A (en])
KR (1) KR890005030B1 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3811311B2 (ja) 1999-03-23 2006-08-16 オリンパス株式会社 ズームレンズ系を備えたカメラ
JP4887712B2 (ja) * 2005-09-29 2012-02-29 株式会社ニコン ズームレンズ

Also Published As

Publication number Publication date
KR890005030B1 (ko) 1989-12-06
KR840008985A (ko) 1984-12-20
JPS59164517A (ja) 1984-09-17

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