Originally Posted by elz
The 580 flashes have a (metric) guide number of 58 meters. That assumes ISO 100 and f/1. With more ISO it'll reach farther (but with smaller aperture than f/1 it won't reach farther).
The 580 flashes have a (metric) guide number of 58 meters. That assumes ISO 100 and f/1. With more ISO it'll reach farther (but with smaller aperture than f/1 it won't reach farther).
We're a Canon/Profoto family: five cameras, sixteen lenses, fifteen Profoto lights, too many modifiers.
Posting Permissions
Reply With Quote