JPS5876818A - Display device for flash photography - Google Patents

Display device for flash photography

Info

Publication number
JPS5876818A
JPS5876818A JP56174926A JP17492681A JPS5876818A JP S5876818 A JPS5876818 A JP S5876818A JP 56174926 A JP56174926 A JP 56174926A JP 17492681 A JP17492681 A JP 17492681A JP S5876818 A JPS5876818 A JP S5876818A
Authority
JP
Japan
Prior art keywords
amplifier
factors
display
distance
inputted
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
JP56174926A
Other languages
Japanese (ja)
Other versions
JPH0415928B2 (en
Inventor
Osamu Yoneda
Hiroshi Hasegawa
Shingi Hagiuda
Kiwa Iida
Original Assignee
Nippon Kogaku Kk <Nikon>
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 Nippon Kogaku Kk <Nikon> filed Critical Nippon Kogaku Kk <Nikon>
Priority to JP56174926A priority Critical patent/JPH0415928B2/ja
Publication of JPS5876818A publication Critical patent/JPS5876818A/en
Publication of JPH0415928B2 publication Critical patent/JPH0415928B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera

Abstract

PURPOSE:To calculate and display photographic distance for flash photography by selecting a TTL light-emission stop signal and an exposure factor for flashing in accordance with pieces of information before and after the start of the photography and whether a light measuring circuit is in operation or not. CONSTITUTION:Exposure factors corresponding to a film photographic speed and an aperture value supplied from a camera side through a connection terminal T2, and an exposure factor set manually through resistances VR4 and VR5 are inputted to an OP amplifier A10 according to whether a mode selection switch SW20 is turned on or off. The output of the amplifier A10 is processed together with other correcting factors to display photographic distance (proper range, proper distance, etc.) as shown by 40. When a switch 21 (forcible output means) is switched to a side (b) even when the mode selection switch 20 is turned on, the manually set factors are inputted to the amplifier A10.
JP56174926A 1981-10-31 1981-10-31 Expired - Lifetime JPH0415928B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56174926A JPH0415928B2 (en) 1981-10-31 1981-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56174926A JPH0415928B2 (en) 1981-10-31 1981-10-31

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP3107429A Division JP2595926B2 (en) 1991-05-13 1991-05-13 Electronic flash device

Publications (2)

Publication Number Publication Date
JPS5876818A true JPS5876818A (en) 1983-05-10
JPH0415928B2 JPH0415928B2 (en) 1992-03-19

Family

ID=15987127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56174926A Expired - Lifetime JPH0415928B2 (en) 1981-10-31 1981-10-31

Country Status (1)

Country Link
JP (1) JPH0415928B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573786A (en) * 1983-05-27 1986-03-04 Minolta Camera Kabushiki Kaisha Flash photographing system
JPH01254928A (en) * 1988-04-05 1989-10-11 Nikon Corp Information setter of electronic flash device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54163649U (en) * 1978-05-08 1979-11-16
JPS5697331A (en) * 1979-12-29 1981-08-06 Minolta Camera Co Ltd Aperture value displaying and warning device at strobe photographing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54163649U (en) * 1978-05-08 1979-11-16
JPS5697331A (en) * 1979-12-29 1981-08-06 Minolta Camera Co Ltd Aperture value displaying and warning device at strobe photographing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573786A (en) * 1983-05-27 1986-03-04 Minolta Camera Kabushiki Kaisha Flash photographing system
JPH01254928A (en) * 1988-04-05 1989-10-11 Nikon Corp Information setter of electronic flash device

Also Published As

Publication number Publication date
JPH0415928B2 (en) 1992-03-19

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