JPS56150716A - Lens system interchangeable to two kinds of focal length - Google Patents

Lens system interchangeable to two kinds of focal length

Info

Publication number
JPS56150716A
JPS56150716A JP5497780A JP5497780A JPS56150716A JP S56150716 A JPS56150716 A JP S56150716A JP 5497780 A JP5497780 A JP 5497780A JP 5497780 A JP5497780 A JP 5497780A JP S56150716 A JPS56150716 A JP S56150716A
Authority
JP
Japan
Prior art keywords
group
lens
focal length
kinds
lens system
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
JP5497780A
Other languages
English (en)
Inventor
Mitsuaki Horimoto
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 JP5497780A priority Critical patent/JPS56150716A/ja
Publication of JPS56150716A publication Critical patent/JPS56150716A/ja
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP5497780A 1980-04-24 1980-04-24 Lens system interchangeable to two kinds of focal length Pending JPS56150716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5497780A JPS56150716A (en) 1980-04-24 1980-04-24 Lens system interchangeable to two kinds of focal length

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5497780A JPS56150716A (en) 1980-04-24 1980-04-24 Lens system interchangeable to two kinds of focal length

Publications (1)

Publication Number Publication Date
JPS56150716A true JPS56150716A (en) 1981-11-21

Family

ID=12985703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5497780A Pending JPS56150716A (en) 1980-04-24 1980-04-24 Lens system interchangeable to two kinds of focal length

Country Status (1)

Country Link
JP (1) JPS56150716A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6444908A (en) * 1987-08-14 1989-02-17 Olympus Optical Co Focusing system of two-focal length selection type lens system
GB2422438A (en) * 2005-01-24 2006-07-26 Nucam Corp Stepwise variable three group zoom lens system
WO2017145208A1 (ja) * 2016-02-24 2017-08-31 パナソニックＩｐマネジメント株式会社 ズームレンズ系、ズームレンズ系を有する撮像装置及び撮像装置を有する車両

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6444908A (en) * 1987-08-14 1989-02-17 Olympus Optical Co Focusing system of two-focal length selection type lens system
GB2422438A (en) * 2005-01-24 2006-07-26 Nucam Corp Stepwise variable three group zoom lens system
GB2422438B (en) * 2005-01-24 2007-06-13 Nucam Corp Stepwise variable zoom lens system
WO2017145208A1 (ja) * 2016-02-24 2017-08-31 パナソニックＩｐマネジメント株式会社 ズームレンズ系、ズームレンズ系を有する撮像装置及び撮像装置を有する車両
US10967794B2 (en) 2016-02-24 2021-04-06 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, imaging device having zoom lens system, and vehicle having imaging device

Similar Documents

Publication Publication Date Title
JPS54146648A (en) Variable focal length lens
IT8119749A0 (it) Lente oftalmica ad ingrandimento focale progressivamente variabile.
JPS566207A (en) Fresnel lens in accumulated optical system
GB2043277B (en) Automatically focusing camera having interchangeable lenses
JPS5284754A (en) Variable focal length lens
GB2033606B (en) Zoom lenses having two lens groups
GB2083639B (en) Automatic focus camera with interchangeable lens
JPS5411727A (en) Telephoto lens
JPS5298520A (en) Lens shutter for focal plane shutter camera
JPS56150716A (en) Lens system interchangeable to two kinds of focal length
GB2020052B (en) Interchangeable camera lenses
JPS52143013A (en) Interchangeable lens camera
JPS56107209A (en) Photographic lens of large aperture ratio corrected for short distance
JPS54151854A (en) Variable focal length lens
JPS5397451A (en) Zoom lens system
JPS5632112A (en) Optical image forming system having variable focal length
JPS5545080A (en) Zoom lens system which can transfer focal length range
GB2087578B (en) Interchangeable lens camera
JPS52108121A (en) Interchangeable lens camera
GB2054180B (en) Single lens reflex camera
JPS5491223A (en) Zoom objective lens
JPS5333129A (en) Automatic focusing zoom lens aperture
JPS54155834A (en) Large aperture ratio zoom lens
JPS53102769A (en) Photo switch
JPS5424652A (en) Imaging system of zoom lens