> Upon a flash of inspiration (pun intended), I checked the Canon USA
> website, and found:
> "Flash duration: 1.2 ms or less. For quick flash: 2.3 ms or shorter"
> http://www.elan7.com/camcambin/cameras/speedlite/550exspec.html
>
> What is "quick flash"? Is is FP flash?
That is odd. From the 550EX instruction booklet:
"With the quick flash feature, you can fire a flash even before the flash
is fully charged. When the pilot lamp is yellow, a quick flash can be
fired. The Guide No. for a quick flash is 1/2 to 1/16 that of a normal
flash." ...and then lists circumstances where quick flash is disabled.
It seems to me that a quick flash burst should be less than 1.2ms...
Dave Herzstein
[EMAIL PROTECTED]
http://www.kjsl.com/~dave
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