FR2124174A1 - Afocal optical system - for portholes and periscopes - Google Patents

Afocal optical system - for portholes and periscopes

Info

Publication number
FR2124174A1
FR2124174A1 FR7104488A FR7104488A FR2124174A1 FR 2124174 A1 FR2124174 A1 FR 2124174A1 FR 7104488 A FR7104488 A FR 7104488A FR 7104488 A FR7104488 A FR 7104488A FR 2124174 A1 FR2124174 A1 FR 2124174A1
Authority
FR
France
Prior art keywords
periscopes
negative
portholes
optical system
combination
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.)
Granted
Application number
FR7104488A
Other languages
English (en)
French (fr)
Other versions
FR2124174B1 (cs
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
Priority to FR7104488A priority Critical patent/FR2124174A1/fr
Publication of FR2124174A1 publication Critical patent/FR2124174A1/fr
Application granted granted Critical
Publication of FR2124174B1 publication Critical patent/FR2124174B1/fr
Granted 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Lenses (AREA)
FR7104488A 1971-02-10 1971-02-10 Afocal optical system - for portholes and periscopes Granted FR2124174A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7104488A FR2124174A1 (en) 1971-02-10 1971-02-10 Afocal optical system - for portholes and periscopes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7104488A FR2124174A1 (en) 1971-02-10 1971-02-10 Afocal optical system - for portholes and periscopes

Publications (2)

Publication Number Publication Date
FR2124174A1 true FR2124174A1 (en) 1972-09-22
FR2124174B1 FR2124174B1 (cs) 1975-02-21

Family

ID=9071691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7104488A Granted FR2124174A1 (en) 1971-02-10 1971-02-10 Afocal optical system - for portholes and periscopes

Country Status (1)

Country Link
FR (1) FR2124174A1 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492117A1 (fr) * 1980-05-08 1982-04-16 Eumig Elektrizitats Metallware Adaptateur d'objectif de prises de vues dans l'air et/ou dans l'eau

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1033010A (fr) * 1951-02-22 1953-07-07 équipement pour prises de vues sous-marines
FR1537880A (fr) * 1967-07-18 1968-08-30 Dispositif afocal pour périscope ou hublot d'observation monobloe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1033010A (fr) * 1951-02-22 1953-07-07 équipement pour prises de vues sous-marines
FR1537880A (fr) * 1967-07-18 1968-08-30 Dispositif afocal pour périscope ou hublot d'observation monobloe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492117A1 (fr) * 1980-05-08 1982-04-16 Eumig Elektrizitats Metallware Adaptateur d'objectif de prises de vues dans l'air et/ou dans l'eau

Also Published As

Publication number Publication date
FR2124174B1 (cs) 1975-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse