AT127090B - Photographischer Belichtungsmesser. - Google Patents

Photographischer Belichtungsmesser.

Info

Publication number
AT127090B
AT127090B AT127090DA AT127090B AT 127090 B AT127090 B AT 127090B AT 127090D A AT127090D A AT 127090DA AT 127090 B AT127090 B AT 127090B
Authority
AT
Austria
Prior art keywords
photographic light
light meter
meter
photographic
light
Prior art date
Application number
Other languages
English (en)
Inventor
Ernst Bertram
Original Assignee
Ernst Bertram
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 Ernst Bertram filed Critical Ernst Bertram
Application granted granted Critical
Publication of AT127090B publication Critical patent/AT127090B/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/38—Photometry, e.g. photographic exposure meter using wholly visual means
    • G01J1/40—Photometry, e.g. photographic exposure meter using wholly visual means using limit or visibility or extinction effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
AT127090D 1929-08-20 1930-08-01 Photographischer Belichtungsmesser. AT127090B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE361000X 1929-08-20

Publications (1)

Publication Number Publication Date
AT127090B true AT127090B (de) 1932-02-25

Family

ID=6297206

Family Applications (1)

Application Number Title Priority Date Filing Date
AT127090D AT127090B (de) 1929-08-20 1930-08-01 Photographischer Belichtungsmesser.

Country Status (3)

Country Link
AT (1) AT127090B (de)
CH (1) CH149117A (de)
GB (1) GB361000A (de)

Also Published As

Publication number Publication date
CH149117A (de) 1931-08-31
GB361000A (en) 1931-11-19

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