JPS5749931A - Correction system for aperture control of interchangeable lens type single-lens reflex camera - Google Patents

Correction system for aperture control of interchangeable lens type single-lens reflex camera

Info

Publication number
JPS5749931A
JPS5749931A JP12678380A JP12678380A JPS5749931A JP S5749931 A JPS5749931 A JP S5749931A JP 12678380 A JP12678380 A JP 12678380A JP 12678380 A JP12678380 A JP 12678380A JP S5749931 A JPS5749931 A JP S5749931A
Authority
JP
Japan
Prior art keywords
aperture
open
illuminance
values
photodetection part
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.)
Granted
Application number
JP12678380A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0440699B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Fumio Urano
Zenichi Okura
Masahiro Kawasaki
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP12678380A priority Critical patent/JPS5749931A/ja
Publication of JPS5749931A publication Critical patent/JPS5749931A/ja
Publication of JPH0440699B2 publication Critical patent/JPH0440699B2/ja
Granted 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
    • G03B7/20—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with change of lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
JP12678380A 1980-09-11 1980-09-11 Correction system for aperture control of interchangeable lens type single-lens reflex camera Granted JPS5749931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12678380A JPS5749931A (en) 1980-09-11 1980-09-11 Correction system for aperture control of interchangeable lens type single-lens reflex camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12678380A JPS5749931A (en) 1980-09-11 1980-09-11 Correction system for aperture control of interchangeable lens type single-lens reflex camera

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP18732787A Division JPS63170630A (ja) 1987-07-27 1987-07-27 レンズ交換可能な一眼レフカメラにおける絞制御の補正方式

Publications (2)

Publication Number Publication Date
JPS5749931A true JPS5749931A (en) 1982-03-24
JPH0440699B2 JPH0440699B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-03

Family

ID=14943820

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12678380A Granted JPS5749931A (en) 1980-09-11 1980-09-11 Correction system for aperture control of interchangeable lens type single-lens reflex camera

Country Status (1)

Country Link
JP (1) JPS5749931A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486434A (en) * 1966-07-30 1969-12-30 Asahi Optical Co Ltd Lens compensated light measuring system in single lens reflex camera
JPS5397422A (en) * 1977-02-04 1978-08-25 Canon Inc Double priority camera
JPS5520503U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1978-07-26 1980-02-08

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486434A (en) * 1966-07-30 1969-12-30 Asahi Optical Co Ltd Lens compensated light measuring system in single lens reflex camera
JPS5397422A (en) * 1977-02-04 1978-08-25 Canon Inc Double priority camera
JPS5520503U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1978-07-26 1980-02-08

Also Published As

Publication number Publication date
JPH0440699B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-03

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