CH384359A - For photographic cameras with automatic exposure control device and manual adjustment, the diaphragm consisting of two lamellas can be used - Google Patents

For photographic cameras with automatic exposure control device and manual adjustment, the diaphragm consisting of two lamellas can be used

Info

Publication number
CH384359A
CH384359A CH513161A CH513161A CH384359A CH 384359 A CH384359 A CH 384359A CH 513161 A CH513161 A CH 513161A CH 513161 A CH513161 A CH 513161A CH 384359 A CH384359 A CH 384359A
Authority
CH
Switzerland
Prior art keywords
lamellas
control device
exposure control
manual adjustment
automatic exposure
Prior art date
Application number
CH513161A
Other languages
German (de)
Inventor
Maas Dieter
Landbrecht Franz
Original Assignee
Agfa 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 Ag filed Critical Agfa Ag
Publication of CH384359A publication Critical patent/CH384359A/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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/12—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
    • 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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
CH513161A 1960-05-11 1961-05-02 For photographic cameras with automatic exposure control device and manual adjustment, the diaphragm consisting of two lamellas can be used CH384359A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA34614A DE1140810B (en) 1960-05-11 1960-05-11 Aperture for photographic cameras with exposure control

Publications (1)

Publication Number Publication Date
CH384359A true CH384359A (en) 1964-11-15

Family

ID=6928634

Family Applications (1)

Application Number Title Priority Date Filing Date
CH513161A CH384359A (en) 1960-05-11 1961-05-02 For photographic cameras with automatic exposure control device and manual adjustment, the diaphragm consisting of two lamellas can be used

Country Status (3)

Country Link
CH (1) CH384359A (en)
DE (1) DE1140810B (en)
GB (1) GB906362A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1244563B (en) * 1965-07-26 1967-07-13 Prontor Werk Gauthier Gmbh Lens diaphragm for photographic cameras with two diaphragm blades that can be moved in opposite directions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT208216B (en) * 1957-11-12 1960-03-25 Kamera & Kinowerke Dresden Veb Exposure meters or regulators for photographic or cinematographic purposes with a cover plate arranged in front of the photocell and regulating the incidence of light
AT207683B (en) * 1958-01-25 1960-02-25 Gossen & Co Gmbh P Photoelectric shutter control for cameras

Also Published As

Publication number Publication date
DE1140810B (en) 1962-12-06
GB906362A (en) 1962-09-19

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