GB641069A - Improvements in or relating to optical objectives - Google Patents

Improvements in or relating to optical objectives

Info

Publication number
GB641069A
GB641069A GB2870248A GB2870248A GB641069A GB 641069 A GB641069 A GB 641069A GB 2870248 A GB2870248 A GB 2870248A GB 2870248 A GB2870248 A GB 2870248A GB 641069 A GB641069 A GB 641069A
Authority
GB
United Kingdom
Prior art keywords
relating
optical objectives
objectives
optical
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
GB2870248A
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.)
Taylor Taylor and Hobson Ltd
Original Assignee
Taylor Taylor and Hobson 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 Taylor Taylor and Hobson Ltd filed Critical Taylor Taylor and Hobson Ltd
Priority to GB2870248A priority Critical patent/GB641069A/en
Publication of GB641069A publication Critical patent/GB641069A/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 -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB2870248A 1948-11-04 1948-11-04 Improvements in or relating to optical objectives Expired GB641069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2870248A GB641069A (en) 1948-11-04 1948-11-04 Improvements in or relating to optical objectives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2870248A GB641069A (en) 1948-11-04 1948-11-04 Improvements in or relating to optical objectives

Publications (1)

Publication Number Publication Date
GB641069A true GB641069A (en) 1950-08-02

Family

ID=10279733

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2870248A Expired GB641069A (en) 1948-11-04 1948-11-04 Improvements in or relating to optical objectives

Country Status (1)

Country Link
GB (1) GB641069A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3459469A (en) * 1965-11-04 1969-08-05 Asahi Optical Co Ltd Lens system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3459469A (en) * 1965-11-04 1969-08-05 Asahi Optical Co Ltd Lens system

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