CH290356A - Photographic telephoto lens. - Google Patents

Photographic telephoto lens.

Info

Publication number
CH290356A
CH290356A CH290356DA CH290356A CH 290356 A CH290356 A CH 290356A CH 290356D A CH290356D A CH 290356DA CH 290356 A CH290356 A CH 290356A
Authority
CH
Switzerland
Prior art keywords
telephoto lens
photographic
photographic telephoto
lens
telephoto
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaf Voigtlaender
Original Assignee
Voigtlaender 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 Voigtlaender Ag filed Critical Voigtlaender Ag
Publication of CH290356A publication Critical patent/CH290356A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
CH290356D 1950-12-06 1950-12-06 Photographic telephoto lens. CH290356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH709659X 1950-12-06

Publications (1)

Publication Number Publication Date
CH290356A true CH290356A (en) 1953-04-30

Family

ID=4530667

Family Applications (1)

Application Number Title Priority Date Filing Date
CH290356D CH290356A (en) 1950-12-06 1950-12-06 Photographic telephoto lens.

Country Status (5)

Country Link
CH (1) CH290356A (en)
DE (1) DE973019C (en)
FR (1) FR1045076A (en)
GB (1) GB709659A (en)
NL (1) NL86679C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013088B (en) * 1953-12-23 1957-08-01 Ludwig Bertele Photographic telephoto lens
DE1049120B (en) * 1955-07-19 1959-01-22 Enna Werk Optik Apelt Photographic telephoto lens

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282312B (en) * 1962-12-06 1968-11-07 Zeiss Carl Fa Photographic telephoto lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013088B (en) * 1953-12-23 1957-08-01 Ludwig Bertele Photographic telephoto lens
DE1049120B (en) * 1955-07-19 1959-01-22 Enna Werk Optik Apelt Photographic telephoto lens

Also Published As

Publication number Publication date
NL86679C (en)
FR1045076A (en) 1953-11-24
DE973019C (en) 1959-11-19
GB709659A (en) 1954-06-02

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