GB1354639A - Triplet lens - Google Patents

Triplet lens

Info

Publication number
GB1354639A
GB1354639A GB4540572A GB4540572A GB1354639A GB 1354639 A GB1354639 A GB 1354639A GB 4540572 A GB4540572 A GB 4540572A GB 4540572 A GB4540572 A GB 4540572A GB 1354639 A GB1354639 A GB 1354639A
Authority
GB
United Kingdom
Prior art keywords
doublets
partial dispersion
abbú
oct
points
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
GB4540572A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1354639A publication Critical patent/GB1354639A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
GB4540572A 1971-10-01 1972-10-02 Triplet lens Expired GB1354639A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18560271A 1971-10-01 1971-10-01
US18563071A 1971-10-01 1971-10-01
US18549671A 1971-10-01 1971-10-01

Publications (1)

Publication Number Publication Date
GB1354639A true GB1354639A (en) 1974-06-05

Family

ID=27391977

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4540572A Expired GB1354639A (en) 1971-10-01 1972-10-02 Triplet lens

Country Status (2)

Country Link
FR (1) FR2154772B1 (enExample)
GB (1) GB1354639A (enExample)

Also Published As

Publication number Publication date
FR2154772A1 (enExample) 1973-05-11
FR2154772B1 (enExample) 1976-01-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee