DE153693C - - Google Patents

Info

Publication number
DE153693C
DE153693C DENDAT153693D DE153693DA DE153693C DE 153693 C DE153693 C DE 153693C DE NDAT153693 D DENDAT153693 D DE NDAT153693D DE 153693D A DE153693D A DE 153693DA DE 153693 C DE153693 C DE 153693C
Authority
DE
Germany
Prior art keywords
screen
lens
light
setting screen
compensation 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
DENDAT153693D
Other languages
German (de)
English (en)
Publication of DE153693C publication Critical patent/DE153693C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
DENDAT153693D Active DE153693C (en:Method)

Publications (1)

Publication Number Publication Date
DE153693C true DE153693C (en:Method)

Family

ID=420299

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT153693D Active DE153693C (en:Method)

Country Status (1)

Country Link
DE (1) DE153693C (en:Method)

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