FR1116340A - Téléobjectif - Google Patents

Téléobjectif

Info

Publication number
FR1116340A
FR1116340A FR1116340DA FR1116340A FR 1116340 A FR1116340 A FR 1116340A FR 1116340D A FR1116340D A FR 1116340DA FR 1116340 A FR1116340 A FR 1116340A
Authority
FR
France
Prior art keywords
telephoto
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
English (en)
French (fr)
Inventor
Ludwig Bertele
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR1116340A publication Critical patent/FR1116340A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • 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)
FR1116340D 1953-12-23 1954-12-21 Téléobjectif Expired FR1116340A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH319997T 1953-12-23

Publications (1)

Publication Number Publication Date
FR1116340A true FR1116340A (fr) 1956-05-07

Family

ID=4497831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116340D Expired FR1116340A (fr) 1953-12-23 1954-12-21 Téléobjectif

Country Status (3)

Country Link
CH (1) CH319997A (de)
DE (1) DE1013088B (de)
FR (1) FR1116340A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049120B (de) 1955-07-19 1959-01-22 Enna Werk Optik Apelt Fotografisches Tele-Objektiv
JPS5248010B2 (de) * 1973-12-05 1977-12-07
JPS5248011B2 (de) * 1974-05-14 1977-12-07

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL86679C (de) * 1950-12-06

Also Published As

Publication number Publication date
DE1013088B (de) 1957-08-01
CH319997A (de) 1957-03-15

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