DE2658071C3 - Belichtungsinnenmessung bei photographischen Kameras - Google Patents

Belichtungsinnenmessung bei photographischen Kameras

Info

Publication number
DE2658071C3
DE2658071C3 DE2658071A DE2658071A DE2658071C3 DE 2658071 C3 DE2658071 C3 DE 2658071C3 DE 2658071 A DE2658071 A DE 2658071A DE 2658071 A DE2658071 A DE 2658071A DE 2658071 C3 DE2658071 C3 DE 2658071C3
Authority
DE
Germany
Prior art keywords
mirror
taking lens
concave mirror
optical axis
arrangement
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.)
Expired
Application number
DE2658071A
Other languages
German (de)
English (en)
Other versions
DE2658071A1 (de
DE2658071B2 (de
Inventor
Wolfgang Ddr 8122 Radebeul Schulz
Heinz Ddr 8046 Dresden Schulze
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELBE-KAMERA-GESELLSCHAFT MBH DDR 8017 DRESDEN
Original Assignee
ELBE-KAMERA-GESELLSCHAFT MBH DDR 8017 DRESDEN
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 ELBE-KAMERA-GESELLSCHAFT MBH DDR 8017 DRESDEN filed Critical ELBE-KAMERA-GESELLSCHAFT MBH DDR 8017 DRESDEN
Publication of DE2658071A1 publication Critical patent/DE2658071A1/de
Publication of DE2658071B2 publication Critical patent/DE2658071B2/de
Application granted granted Critical
Publication of DE2658071C3 publication Critical patent/DE2658071C3/de
Expired 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
    • 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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09974—Through the lens [TTL] measuring in mirror-reflex cameras using the film or shutter as sensor light reflecting member
    • 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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cameras In General (AREA)
  • Exposure Control For Cameras (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE2658071A 1976-02-04 1976-12-22 Belichtungsinnenmessung bei photographischen Kameras Expired DE2658071C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD191078A DD125543A1 (OSRAM) 1976-02-04 1976-02-04

Publications (3)

Publication Number Publication Date
DE2658071A1 DE2658071A1 (de) 1977-08-11
DE2658071B2 DE2658071B2 (de) 1980-03-06
DE2658071C3 true DE2658071C3 (de) 1980-11-13

Family

ID=5503439

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2658071A Expired DE2658071C3 (de) 1976-02-04 1976-12-22 Belichtungsinnenmessung bei photographischen Kameras
DE19767640153U Expired DE7640153U1 (de) 1976-02-04 1976-12-22 Belichtungsinnenmessung bei photographischen kameras

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19767640153U Expired DE7640153U1 (de) 1976-02-04 1976-12-22 Belichtungsinnenmessung bei photographischen kameras

Country Status (3)

Country Link
DD (1) DD125543A1 (OSRAM)
DE (2) DE2658071C3 (OSRAM)
GB (1) GB1531683A (OSRAM)

Also Published As

Publication number Publication date
DD125543A1 (OSRAM) 1977-05-04
DE7640153U1 (de) 1977-04-28
DE2658071A1 (de) 1977-08-11
GB1531683A (en) 1978-11-08
DE2658071B2 (de) 1980-03-06

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee