GB642187A - Improvements in or relating to optical systems - Google Patents

Improvements in or relating to optical systems

Info

Publication number
GB642187A
GB642187A GB217848A GB217848A GB642187A GB 642187 A GB642187 A GB 642187A GB 217848 A GB217848 A GB 217848A GB 217848 A GB217848 A GB 217848A GB 642187 A GB642187 A GB 642187A
Authority
GB
United Kingdom
Prior art keywords
relating
optical systems
optical
systems
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
GB217848A
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
Priority to GB217848A priority Critical patent/GB642187A/en
Publication of GB642187A publication Critical patent/GB642187A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB217848A 1948-01-23 1948-01-23 Improvements in or relating to optical systems Expired GB642187A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB217848A GB642187A (en) 1948-01-23 1948-01-23 Improvements in or relating to optical systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB217848A GB642187A (en) 1948-01-23 1948-01-23 Improvements in or relating to optical systems

Publications (1)

Publication Number Publication Date
GB642187A true GB642187A (en) 1950-08-30

Family

ID=9734946

Family Applications (1)

Application Number Title Priority Date Filing Date
GB217848A Expired GB642187A (en) 1948-01-23 1948-01-23 Improvements in or relating to optical systems

Country Status (1)

Country Link
GB (1) GB642187A (en)

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