FR970205A - Additional system for photographic lens - Google Patents

Additional system for photographic lens

Info

Publication number
FR970205A
FR970205A FR970205DA FR970205A FR 970205 A FR970205 A FR 970205A FR 970205D A FR970205D A FR 970205DA FR 970205 A FR970205 A FR 970205A
Authority
FR
France
Prior art keywords
photographic lens
additional system
additional
photographic
lens
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 FR970205A publication Critical patent/FR970205A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR970205D 1941-09-03 1947-08-06 Additional system for photographic lens Expired FR970205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US970205XA 1941-09-03 1941-09-03

Publications (1)

Publication Number Publication Date
FR970205A true FR970205A (en) 1951-01-02

Family

ID=22260356

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970205D Expired FR970205A (en) 1941-09-03 1947-08-06 Additional system for photographic lens

Country Status (1)

Country Link
FR (1) FR970205A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1053810B (en) * 1951-02-22 1959-03-26 Alexandre Ivanoff In connection with a photographic lens to be used, with a dispersive effect, spherically, chromatically and astigmatically corrected optical attachment system for imaging or viewing objects under water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1053810B (en) * 1951-02-22 1959-03-26 Alexandre Ivanoff In connection with a photographic lens to be used, with a dispersive effect, spherically, chromatically and astigmatically corrected optical attachment system for imaging or viewing objects under water

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