FR951536A - Improvements to photographic lenses - Google Patents

Improvements to photographic lenses

Info

Publication number
FR951536A
FR951536A FR951536DA FR951536A FR 951536 A FR951536 A FR 951536A FR 951536D A FR951536D A FR 951536DA FR 951536 A FR951536 A FR 951536A
Authority
FR
France
Prior art keywords
photographic lenses
photographic
lenses
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
Other languages
French (fr)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR951536A publication Critical patent/FR951536A/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
FR951536D 1944-06-30 1946-11-29 Improvements to photographic lenses Expired FR951536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US951536XA 1944-06-30 1944-06-30

Publications (1)

Publication Number Publication Date
FR951536A true FR951536A (en) 1949-10-27

Family

ID=22250164

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951536D Expired FR951536A (en) 1944-06-30 1946-11-29 Improvements to photographic lenses

Country Status (1)

Country Link
FR (1) FR951536A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1572700B1 (en) * 1966-12-08 1971-10-07 Ibm Photographic lens of the Gaussian type with interchangeable elements for changing the focal length

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1572700B1 (en) * 1966-12-08 1971-10-07 Ibm Photographic lens of the Gaussian type with interchangeable elements for changing the focal length

Similar Documents

Publication Publication Date Title
FR941852A (en) Improvements to photographic emulsions
FR944294A (en) Improvements to sensitized photographic emulsions
FR951536A (en) Improvements to photographic lenses
FR918325A (en) Improvements to photographic enlargers
FR992756A (en) Advanced projector
FR944075A (en) Improvements to photographic emulsions
FR909155A (en) Improvements to photographic enlargers
FR911091A (en) Improvements to photographic printers
FR929296A (en) Improvements to sound cinematographic projectors
FR944282A (en) Improvements to photographic emulsions
FR950292A (en) Improvements to sensitized photographic emulsions
FR936913A (en) Improvements to cameras
FR931844A (en) Improvements to cameras
FR903228A (en) Improvements to cameras
FR913902A (en) Improvements to cinematographic projectors
FR939226A (en) Improvements to tanning photographic developers
FR943701A (en) Sound cinematographic projector
FR953727A (en) Improvements to light-sensitive diazotype agents
FR944061A (en) Improvements to photographic emulsions
FR907602A (en) Improvements to lenses for cameras
FR905934A (en) Non-flammable cinematographic film
FR896344A (en) Improvements to photographic viewfinders
FR980278A (en) Improvements to photographic developers
FR942828A (en) Improvements to photographic shutters
FR940404A (en) Improvements to photographic lenses