Inicio > Term: Guide No
Guide No
An indicator of a flash unit's output power. At ISO 100, you can calculate the maximum flash range by dividing the Guide No. by the f-number. For example, if the Guide No. is 10 and f/2 is set, the maximum flash range will be 5 meters. The Guide No. is also used to indicate the flash unit's maximum flash output.
- Parte del discurso: proper noun
- Industria/ámbito: Fotografía
- Categoría: Técnicas de fotografía
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Creador
- Karl Schaeffer
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(London, United Kingdom)
