GB1431368A - - Google Patents

Info

Publication number
GB1431368A
GB1431368A GB2100275A GB2100275A GB1431368A GB 1431368 A GB1431368 A GB 1431368A GB 2100275 A GB2100275 A GB 2100275A GB 2100275 A GB2100275 A GB 2100275A GB 1431368 A GB1431368 A GB 1431368A
Authority
GB
United Kingdom
Prior art keywords
eye
sept
piece
optical
heading
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
GB2100275A
Other languages
English (en)
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 filed Critical
Publication of GB1431368A publication Critical patent/GB1431368A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/001—Eyepieces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eye Examination Apparatus (AREA)
  • Lenses (AREA)
GB2100275A 1972-09-11 1973-09-03 Expired GB1431368A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28820772A 1972-09-11 1972-09-11

Publications (1)

Publication Number Publication Date
GB1431368A true GB1431368A (enExample) 1976-04-07

Family

ID=23106202

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2100275A Expired GB1431368A (enExample) 1972-09-11 1973-09-03

Country Status (2)

Country Link
JP (1) JPS4969148A (enExample)
GB (1) GB1431368A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227918A (en) * 1988-11-10 1993-07-13 Olympus Optical Co., Ltd. Wide field eyepiece lens system
JP3250739B2 (ja) * 1991-10-24 2002-01-28 オリンパス光学工業株式会社 顕微鏡用超広視野接眼レンズ

Also Published As

Publication number Publication date
JPS4969148A (enExample) 1974-07-04

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee