GB165664A - Improvements in photographic objectives - Google Patents

Improvements in photographic objectives

Info

Publication number
GB165664A
GB165664A GB1754620A GB1754620A GB165664A GB 165664 A GB165664 A GB 165664A GB 1754620 A GB1754620 A GB 1754620A GB 1754620 A GB1754620 A GB 1754620A GB 165664 A GB165664 A GB 165664A
Authority
GB
United Kingdom
Prior art keywords
photographic objectives
photographic
objectives
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
GB1754620A
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.)
LLOYD CASSEL BISHOP
Original Assignee
LLOYD CASSEL BISHOP
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 LLOYD CASSEL BISHOP filed Critical LLOYD CASSEL BISHOP
Priority to GB1754620A priority Critical patent/GB165664A/en
Publication of GB165664A publication Critical patent/GB165664A/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
    • G02B13/20—Soft-focus objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB1754620A 1920-06-28 1920-06-28 Improvements in photographic objectives Expired GB165664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1754620A GB165664A (en) 1920-06-28 1920-06-28 Improvements in photographic objectives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1754620A GB165664A (en) 1920-06-28 1920-06-28 Improvements in photographic objectives

Publications (1)

Publication Number Publication Date
GB165664A true GB165664A (en) 1921-07-07

Family

ID=10097067

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1754620A Expired GB165664A (en) 1920-06-28 1920-06-28 Improvements in photographic objectives

Country Status (1)

Country Link
GB (1) GB165664A (en)

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