DE344431C - - Google Patents

Info

Publication number
DE344431C
DE344431C DENDAT344431D DE344431DA DE344431C DE 344431 C DE344431 C DE 344431C DE NDAT344431 D DENDAT344431 D DE NDAT344431D DE 344431D A DE344431D A DE 344431DA DE 344431 C DE344431 C DE 344431C
Authority
DE
Germany
Prior art keywords
mark
mirror
beam path
parallel
image
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
DENDAT344431D
Other languages
German (de)
English (en)
Publication of DE344431C publication Critical patent/DE344431C/de
Active legal-status Critical Current

Links

Classifications

    • 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
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/10—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
DENDAT344431D Active DE344431C (fr)

Publications (1)

Publication Number Publication Date
DE344431C true DE344431C (fr)

Family

ID=573267

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT344431D Active DE344431C (fr)

Country Status (1)

Country Link
DE (1) DE344431C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738702A (en) * 1950-10-05 1956-03-20 Angenieux Pierre Projection control device for projectionists
DE1133910B (de) * 1955-01-22 1962-07-26 Svenska Ackumulator Ab Reflexvisiergeraet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738702A (en) * 1950-10-05 1956-03-20 Angenieux Pierre Projection control device for projectionists
DE1133910B (de) * 1955-01-22 1962-07-26 Svenska Ackumulator Ab Reflexvisiergeraet

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