GB175466A - Lens stops or diaphragms for photographic purposes - Google Patents

Lens stops or diaphragms for photographic purposes

Info

Publication number
GB175466A
GB175466A GB3438620A GB3438620A GB175466A GB 175466 A GB175466 A GB 175466A GB 3438620 A GB3438620 A GB 3438620A GB 3438620 A GB3438620 A GB 3438620A GB 175466 A GB175466 A GB 175466A
Authority
GB
United Kingdom
Prior art keywords
diaphragms
photographic purposes
lens stops
lens
stops
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
GB3438620A
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.)
THOMAS HENRY PEMBERTON
Original Assignee
THOMAS HENRY PEMBERTON
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 THOMAS HENRY PEMBERTON filed Critical THOMAS HENRY PEMBERTON
Priority to GB3438620A priority Critical patent/GB175466A/en
Publication of GB175466A publication Critical patent/GB175466A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB3438620A 1920-12-06 1920-12-06 Lens stops or diaphragms for photographic purposes Expired GB175466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3438620A GB175466A (en) 1920-12-06 1920-12-06 Lens stops or diaphragms for photographic purposes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3438620A GB175466A (en) 1920-12-06 1920-12-06 Lens stops or diaphragms for photographic purposes

Publications (1)

Publication Number Publication Date
GB175466A true GB175466A (en) 1922-02-23

Family

ID=10364998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3438620A Expired GB175466A (en) 1920-12-06 1920-12-06 Lens stops or diaphragms for photographic purposes

Country Status (1)

Country Link
GB (1) GB175466A (en)

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