"Gary L. Murphy" <[EMAIL PROTECTED]> wrote:

>Mark Roberts wrote:
>
>>TTL metering is done off the film. There's a sensor in the mirror box
>>that points back toward the film plane (on the PZ-1p it's on the right
>>side of the mirror box as you look in without a lens mounted). 
>
>Brain fart.....  :-)

Hey, for years I didn't know how TTL flash worked at all. I posted some
questions on rec.photo.equipment.35mm and got several detailed
answers... *all* of which covered everything *except* the fact that the
camera is metering off the film during the exposure! And, of course,
without this piece of information, TTL flash as a whole doesn't make any
sense at all.

-- 
Mark Roberts
Photography and writing
www.robertstech.com

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