FR875204A - Transparency viewfinder for cameras and cinematographs - Google Patents

Transparency viewfinder for cameras and cinematographs

Info

Publication number
FR875204A
FR875204A FR875204DA FR875204A FR 875204 A FR875204 A FR 875204A FR 875204D A FR875204D A FR 875204DA FR 875204 A FR875204 A FR 875204A
Authority
FR
France
Prior art keywords
cinematographs
viewfinder
transparency
cameras
transparency viewfinder
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR875204A publication Critical patent/FR875204A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
FR875204D 1940-11-14 1941-09-11 Transparency viewfinder for cameras and cinematographs Expired FR875204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ26089D DE747497C (en) 1940-11-14 1940-11-14 See-through viewers for photographic and cinematographic apparatus

Publications (1)

Publication Number Publication Date
FR875204A true FR875204A (en) 1942-09-11

Family

ID=7626501

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875204D Expired FR875204A (en) 1940-11-14 1941-09-11 Transparency viewfinder for cameras and cinematographs

Country Status (2)

Country Link
DE (1) DE747497C (en)
FR (1) FR875204A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE648955C (en) * 1937-08-11 Harras Lantsch Viewfinder with dragonfly
DE603613C (en) * 1934-10-04 Zeiss Ikon Akt Ges Range finder combined with a see-through viewfinder and coupled with the lens for photographic and cinematographic apparatus
US1879412A (en) * 1929-03-14 1932-09-27 C P Goerz American Optical Com Sighting device
DE601694C (en) * 1933-03-02 1934-08-22 Sylvester Huber Jun Viewfinder with rangefinder

Also Published As

Publication number Publication date
DE747497C (en) 1953-09-28

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