> Hi Dave,
>
> The original post at WJM's website suggested using the 380EX for the
> new FP function. http://www.a1.nl/phomepag/markerink/cf_eos1n.htm
>
> But the 380EX, and the 420EX that replaces it, do not have any
facility
> for manual flash control. And the Guide number in High sync mode is
> supposed to vary with zoom angle AND with the shutter speed.
>
> So how is an EOS 1N user supposed to do manual flash exposure?
> Does you need a hand held flash meter? Or Polaroid instant proofs?
"SPECIAL CUSTOM FUNCTION 16
Allows FP flash with Speedlite 380EX. Provides high-speed flash
synchronisation (FP flash) with the Speedlite 380EX when used with
manual flash exposure. (Not available for EOS 1N RS)"
I take the text "manual flash exposure" to mean that the EOS 1N cannot
meter the flash in FP mode (ie. E-TTL). With the 380EX (and 420EX),
that would mean full power. The effective distance could be varied by
changing the zoom angle and/or lens aperture. Not very useful.
--
Dave Herzstein
email: [EMAIL PROTECTED]
http://www.kjsl.com/~dave
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