GB1422403A - Wide-angle lens systems - Google Patents

Wide-angle lens systems

Info

Publication number
GB1422403A
GB1422403A GB1471873A GB1471873A GB1422403A GB 1422403 A GB1422403 A GB 1422403A GB 1471873 A GB1471873 A GB 1471873A GB 1471873 A GB1471873 A GB 1471873A GB 1422403 A GB1422403 A GB 1422403A
Authority
GB
United Kingdom
Prior art keywords
angle lens
wide
focal length
lens systems
lens
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
GB1471873A
Other languages
English (en)
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
Publication of GB1422403A publication Critical patent/GB1422403A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
GB1471873A 1972-03-28 1973-03-27 Wide-angle lens systems Expired GB1422403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3097572A JPS5737846B2 (cg-RX-API-DMAC7.html) 1972-03-28 1972-03-28

Publications (1)

Publication Number Publication Date
GB1422403A true GB1422403A (en) 1976-01-28

Family

ID=12318651

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1471873A Expired GB1422403A (en) 1972-03-28 1973-03-27 Wide-angle lens systems

Country Status (3)

Country Link
US (1) US3825321A (cg-RX-API-DMAC7.html)
JP (1) JPS5737846B2 (cg-RX-API-DMAC7.html)
GB (1) GB1422403A (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60110269U (ja) * 1983-12-28 1985-07-26 大日本印刷株式会社 開封用切裂溝を有する袋
JP3810106B2 (ja) * 1995-05-19 2006-08-16 オリンパス株式会社 広角レンズ
CN106461918B (zh) * 2014-08-04 2018-08-10 大族激光科技产业集团股份有限公司 光学镜头
JP7703333B2 (ja) * 2021-02-09 2025-07-07 キヤノン株式会社 光学系、レンズ装置、撮像装置

Also Published As

Publication number Publication date
JPS4898824A (cg-RX-API-DMAC7.html) 1973-12-14
DE2314880A1 (de) 1973-10-11
DE2314880B2 (de) 1975-09-25
JPS5737846B2 (cg-RX-API-DMAC7.html) 1982-08-12
US3825321A (en) 1974-07-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee