HK60180A - Guide number dial - Google Patents

Guide number dial

Info

Publication number
HK60180A
HK60180A HK60180A HK60180A HK60180A HK 60180 A HK60180 A HK 60180A HK 60180 A HK60180 A HK 60180A HK 60180 A HK60180 A HK 60180A HK 60180 A HK60180 A HK 60180A
Authority
HK
Hong Kong
Prior art keywords
guide number
number dial
dial
guide
Prior art date
Application number
HK60180A
Original Assignee
Sunpak Kk
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 Sunpak Kk filed Critical Sunpak Kk
Publication of HK60180A publication Critical patent/HK60180A/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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C3/00—Arrangements for table look-up, e.g. menstruation table
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/0005—Hand manipulated computing devices characterised by a specific application
    • G06G1/0042—Hand manipulated computing devices characterised by a specific application for optics, for photography

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Optics & Photonics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
HK60180A 1977-12-02 1980-10-23 Guide number dial HK60180A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977160933U JPS6246180Y2 (en) 1977-12-02 1977-12-02

Publications (1)

Publication Number Publication Date
HK60180A true HK60180A (en) 1980-10-31

Family

ID=15725374

Family Applications (1)

Application Number Title Priority Date Filing Date
HK60180A HK60180A (en) 1977-12-02 1980-10-23 Guide number dial

Country Status (3)

Country Link
JP (1) JPS6246180Y2 (en)
GB (1) GB1568948A (en)
HK (1) HK60180A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO832476L (en) * 1983-07-07 1985-01-08 Paal Bjoern Olsen DEVICE FOR COMBINING DATA, PARTICULARLY DURING FLIGHT
GB2148564A (en) * 1983-10-24 1985-05-30 Herbert John Duce Logarithmic calculating appliance
GB2173329A (en) * 1985-03-05 1986-10-08 Brian Walker Currency converter
US4785164A (en) * 1987-07-13 1988-11-15 Reed Muriel A Slide calculator for background lighting
GB2212955B (en) * 1987-11-26 1992-08-12 Frank John Allford Gilham Photographic depth of field indicator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137940B2 (en) * 1972-06-09 1976-10-19
JPS604168Y2 (en) * 1974-09-13 1985-02-05 オリンパス光学工業株式会社 Strobe data display device

Also Published As

Publication number Publication date
JPS6246180Y2 (en) 1987-12-11
JPS5487737U (en) 1979-06-21
GB1568948A (en) 1980-06-11

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