DE291916C - - Google Patents

Info

Publication number
DE291916C
DE291916C DENDAT291916D DE291916DA DE291916C DE 291916 C DE291916 C DE 291916C DE NDAT291916 D DENDAT291916 D DE NDAT291916D DE 291916D A DE291916D A DE 291916DA DE 291916 C DE291916 C DE 291916C
Authority
DE
Germany
Prior art keywords
lens
converging
diaphragm
cemented
negative lens
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.)
Active
Application number
DENDAT291916D
Other languages
German (de)
English (en)
Publication of DE291916C publication Critical patent/DE291916C/de
Active 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)
  • Eyeglasses (AREA)
DENDAT291916D Active DE291916C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE291916C true DE291916C (enrdf_load_stackoverflow)

Family

ID=546745

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT291916D Active DE291916C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE291916C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2854889A (en) * 1953-09-18 1958-10-07 Agfa Ag Three-membered photographic objective

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2854889A (en) * 1953-09-18 1958-10-07 Agfa Ag Three-membered photographic objective

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