FR1437558A - Amplified triplet-type four-lens objective, including a positive bonding seal in the posterior group - Google Patents

Amplified triplet-type four-lens objective, including a positive bonding seal in the posterior group

Info

Publication number
FR1437558A
FR1437558A FR10345A FR10345A FR1437558A FR 1437558 A FR1437558 A FR 1437558A FR 10345 A FR10345 A FR 10345A FR 10345 A FR10345 A FR 10345A FR 1437558 A FR1437558 A FR 1437558A
Authority
FR
France
Prior art keywords
type
lens objective
bonding seal
positive bonding
posterior group
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
FR10345A
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.)
Voigtlander AG
Original Assignee
Voigtlander 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 Voigtlander AG filed Critical Voigtlander AG
Priority to FR10345A priority Critical patent/FR1437558A/en
Application granted granted Critical
Publication of FR1437558A publication Critical patent/FR1437558A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR10345A 1965-03-23 1965-03-23 Amplified triplet-type four-lens objective, including a positive bonding seal in the posterior group Expired FR1437558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR10345A FR1437558A (en) 1965-03-23 1965-03-23 Amplified triplet-type four-lens objective, including a positive bonding seal in the posterior group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR10345A FR1437558A (en) 1965-03-23 1965-03-23 Amplified triplet-type four-lens objective, including a positive bonding seal in the posterior group

Publications (1)

Publication Number Publication Date
FR1437558A true FR1437558A (en) 1966-05-06

Family

ID=8574668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR10345A Expired FR1437558A (en) 1965-03-23 1965-03-23 Amplified triplet-type four-lens objective, including a positive bonding seal in the posterior group

Country Status (1)

Country Link
FR (1) FR1437558A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466118A (en) * 1967-04-25 1969-09-09 Eastman Kodak Co Four element triplet projection lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466118A (en) * 1967-04-25 1969-09-09 Eastman Kodak Co Four element triplet projection lens

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