GB8407321D0 - Correlating depth of photographic field - Google Patents

Correlating depth of photographic field

Info

Publication number
GB8407321D0
GB8407321D0 GB848407321A GB8407321A GB8407321D0 GB 8407321 D0 GB8407321 D0 GB 8407321D0 GB 848407321 A GB848407321 A GB 848407321A GB 8407321 A GB8407321 A GB 8407321A GB 8407321 D0 GB8407321 D0 GB 8407321D0
Authority
GB
United Kingdom
Prior art keywords
photographic field
correlating depth
correlating
depth
photographic
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
GB848407321A
Other versions
GB2141273B (en
GB2141273A (en
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.)
Wallace G A
Original Assignee
Wallace G A
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 Wallace G A filed Critical Wallace G A
Publication of GB8407321D0 publication Critical patent/GB8407321D0/en
Publication of GB2141273A publication Critical patent/GB2141273A/en
Application granted granted Critical
Publication of GB2141273B publication Critical patent/GB2141273B/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Exposure Control For Cameras (AREA)
  • Eyeglasses (AREA)
  • Diaphragms For Cameras (AREA)
  • Accessories Of Cameras (AREA)
  • Studio Devices (AREA)
GB08407321A 1983-03-25 1984-03-21 Method and apparatus for correlating depth of photographic field with maximum useable lens aperture setting Expired GB2141273B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47868483A 1983-03-25 1983-03-25

Publications (3)

Publication Number Publication Date
GB8407321D0 true GB8407321D0 (en) 1984-04-26
GB2141273A GB2141273A (en) 1984-12-12
GB2141273B GB2141273B (en) 1987-04-01

Family

ID=23900960

Family Applications (2)

Application Number Title Priority Date Filing Date
GB08407321A Expired GB2141273B (en) 1983-03-25 1984-03-21 Method and apparatus for correlating depth of photographic field with maximum useable lens aperture setting
GB08606528A Expired GB2172723B (en) 1983-03-25 1986-03-17 Method for correlating depth of photographic field with maximum useable lens aperture setting

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08606528A Expired GB2172723B (en) 1983-03-25 1986-03-17 Method for correlating depth of photographic field with maximum useable lens aperture setting

Country Status (6)

Country Link
JP (1) JPS6011823A (en)
CA (1) CA1218891A (en)
DE (1) DE3410835A1 (en)
FR (1) FR2543329A1 (en)
GB (2) GB2141273B (en)
SE (1) SE450428B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6266861A (en) * 1985-09-19 1987-03-26 松永　是 Sterilizing reactor
GB2212955B (en) * 1987-11-26 1992-08-12 Frank John Allford Gilham Photographic depth of field indicator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB224930A (en) * 1923-07-16 1924-11-17 John R Hewett Photographic exposure calculator
GB569247A (en) * 1943-05-19 1945-05-15 Robert Townend Improvements in computating devices for photography
GB630786A (en) * 1945-10-01 1949-10-21 Joseph Antoine Legris Improvements in or relating to photographic exposure calculators
US2445008A (en) * 1946-10-29 1948-07-13 Smidt Arnold Calculator
FR1103403A (en) * 1947-02-13 1955-11-03 Universal depth of field calculator
GB924991A (en) * 1959-05-04 1963-05-01 Sangamo Weston Improvements in or relating to photographic exposure meters
GB1517742A (en) * 1975-09-19 1978-07-12 Samuelson Film Serv Ltd Photographic depth-of-field calculators
JPS634193Y2 (en) * 1975-11-06 1988-02-02

Also Published As

Publication number Publication date
SE8401610D0 (en) 1984-03-22
GB8606528D0 (en) 1986-04-23
GB2141273B (en) 1987-04-01
JPS6011823A (en) 1985-01-22
CA1218891A (en) 1987-03-10
GB2141273A (en) 1984-12-12
SE450428B (en) 1987-06-22
FR2543329A1 (en) 1984-09-28
SE8401610L (en) 1984-09-26
GB2172723B (en) 1987-07-01
GB2172723A (en) 1986-09-24
DE3410835A1 (en) 1984-10-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee