AT183976B - Cover for photometers, in particular for electric light meters - Google Patents

Cover for photometers, in particular for electric light meters

Info

Publication number
AT183976B
AT183976B AT183976DA AT183976B AT 183976 B AT183976 B AT 183976B AT 183976D A AT183976D A AT 183976DA AT 183976 B AT183976 B AT 183976B
Authority
AT
Austria
Prior art keywords
photometers
cover
electric light
light meters
meters
Prior art date
Application number
Other languages
German (de)
Original Assignee
Agfa Camera Werk 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 Agfa Camera Werk Ag filed Critical Agfa Camera Werk Ag
Application granted granted Critical
Publication of AT183976B publication Critical patent/AT183976B/en

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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/04—Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Microscoopes, Condenser (AREA)
  • Spectrometry And Color Measurement (AREA)
AT183976D 1953-05-21 1954-05-14 Cover for photometers, in particular for electric light meters AT183976B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA18057A DE1008017B (en) 1953-05-21 1953-05-21 Aperture device for photometer

Publications (1)

Publication Number Publication Date
AT183976B true AT183976B (en) 1955-12-10

Family

ID=6924056

Family Applications (1)

Application Number Title Priority Date Filing Date
AT183976D AT183976B (en) 1953-05-21 1954-05-14 Cover for photometers, in particular for electric light meters

Country Status (7)

Country Link
AT (1) AT183976B (en)
CH (1) CH325521A (en)
DE (1) DE1008017B (en)
FR (1) FR1106713A (en)
GB (1) GB783607A (en)
IT (1) IT516249A (en)
NL (1) NL186314B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111846954A (en) * 2020-09-02 2020-10-30 钱丹 Variable-pitch material sucking mechanism

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE608427C (en) * 1935-01-23 Gauthier Gmbh A Lens shutter with light meter
DE610294C (en) * 1935-03-07 Gauthier Gmbh A Photographic lens shutter with light meter
DE582033C (en) * 1929-06-09 1933-08-07 Gauthier Gmbh A Photographic lens shutter with light meter
DE704313C (en) * 1935-09-01 1941-03-27 Metrawatt Akt Ges Photoelectric light meter with swiveling measuring range aperture
DE702924C (en) * 1938-07-24 1941-02-25 Fritz Reich Dipl Ing Optical exposure meter on photographic cameras
DE852653C (en) * 1949-09-24 1952-10-16 Egon Fischer Attachment for photographic or cinematographic cameras, preferably for those with a viewfinder lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111846954A (en) * 2020-09-02 2020-10-30 钱丹 Variable-pitch material sucking mechanism

Also Published As

Publication number Publication date
IT516249A (en)
NL186314B (en)
DE1008017B (en) 1957-05-09
CH325521A (en) 1957-11-15
FR1106713A (en) 1955-12-22
GB783607A (en) 1957-09-25

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