>
> I have an Elan 7 and 420 EX flash. The
> > manual says that
> > the flash will detect that it is being used for fill flash and
> > automatically
> >
> >
> > This one issue has caused more problems, confusion, and grief
> > for Canon users than you will believe. Try and find the FAQ by
> > Chuck Westfall, (Canon rep) for a pretty good guide. I *think* I
> > get most of it, but there's no way I can every try to explain it
> > <g>.
>
> I think this is what Bill is refering to:
> http://bobatkins.photo.net/info/faq30/flashfaq.htm I found it very
useful.
>
I've been wondering about this myself. I checked out the link above, and
found this line:
"The camera calculates flash exposure differently
in E-TTL, and the concept of an arbitrary flash-fill ratio does not apply."
So, does that mean that a 420EX in ETTL mode (as it always is on an Elan 7),
does NOT automatically choke the flash output in bright light? And if it
does, how on Earth are we supposed to know what kind of light is "EV 13" or
above?
--Alex
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