On Wed, 14 Sep 2005, Jens Bladt wrote:
Well, if the ISO setting on the back doesn't have any effect on the adjustments in the flash unit (if it's just a visual memory indication, as suggested by you) the flash meter will not know when to cut off the flash duration, will it?
It will always cut when its sensor thinks that enough light has reached *it*. That's not always the same as how much light has reached the film/sensor, which is affected by the aperture (which is in turn affected by the ISO setting).
It is not just a visual memory indication, (and I never suggested that); as you change the ISO setting on the flash, the aperture *indicators* on it, change too, so you adjust the aperture accordingly.
Kostas
