> From: Tim Hughes <timhughes@xxxxxxxx>
>
> Yes the f280 is exactly like an incandescent light...
Except it's actually a very fast sequence of pulses, no?
It's been years since I looked into it, but I owned an F-280 once, and
it was my understanding that it actually did auto-exposure based upon
changing the pulse frequency, and thus, the duty cycle, which then
changed the actual light output over time.
At least, that's how *I* would design such a thing. Was this my own
hare-brained idea, or not? :-)
:::: At any given moment, there is a sort of all-pervading orthodoxy,
a general tacit agreement not to discuss large and uncomfortable
facts. - George Orwell ::::
:::: Jan Steinman http://www.EcoReality.org ::::
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