BS ISO 1230:2007
Current
The latest, up-to-date edition.
Photography. Determination of flash guide numbers for electronic flash equipment
Hardcopy , PDF
English
31-03-2008
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Foreword
Introduction
1 Scope
2 Terms and definitions
3 Calculation of the guide number
4 Designation of guide number
Annex A (informative) - Conversion calculation of the
ISO guide number from metres into feet
Annex B (informative) - Explanation of guide number formula
Bibliography
Defines the definition and determination of the ISO guide number of electronic flash equipment.
| Committee |
CPW/42
|
| DevelopmentNote |
Supersedes 88/38001 DC and BS 5841-6(1980). (03/2005) Supersedes 06/30149076 DC. (03/2008) Reviewed and confirmed by BSI, August 2015. (07/2015)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies the definition and determination of the ISO guide number of electronic flash equipment. It does not specify the definitions and measuring methods for the light output of electronic flash equipment, which are specified in ISO2827.
| Standards | Relationship |
| ISO 1230:2007 | Identical |
| ISO 12232:2006 | Photography Digital still cameras Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index |
| DIN 19011-2:1984-07 | PHOTOFLASH SOURCES - ELECTRONIC FLASH EQUIPMENT, AUTOMATIC CONTROL OF EXPOSURE |
| ISO 516:1999 | Photography Camera shutters Timing |
| DIN 19011-1:2000-11 | PHOTOFLASH SOURCES - DETERMINATION OF GUIDE NUMBERS AND OUTPUT DATA |
| ISO 6:1993 | Photography — Black-and-white pictorial still camera negative film/process systems — Determination of ISO speed |
| ISO 2721:2013 | Photography — Film-based cameras — Automatic controls of exposure |
| ISO 5800:1987 | Photography Colour negative films for still photography Determination of ISO speed |
| ISO 517:2008 | Photography Apertures and related properties pertaining to photographic lenses Designations and measurements |
| DIN 19011-3:1989-08 | FLASHLIGHT SOURCES - IDENTIFICATION NUMBERS FOR SPECIAL DISTRIBUTION OF RADIATION |
| ISO 2240:2003 | Photography Colour reversal camera films Determination of ISO speed |
| ISO 2827:1988 | Photography — Electronic flash equipment — Determination of light output and performance |
| ISO 5763:1989 | Photography Electronic flash equipment Automatic control of exposure |
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