Also, different types of films (even types in one brand!) have vastly
different reflectivity - even up to 1/3 - 2/3 stop (e.g. Kodachrome versus
B&W film, or Kodachrome vs. E-6 film)! I had a link with this tested, and
exp.compens. for different emulsions.
When I dig it up, I will post it (or translate, the info was in Czech :)
Frantisek
At 12:44 8.2.2001 -0800, you wrote:
[...]
>meters are calibrated for 18% gray. Also, since the
>flash is metered off the film plane, and the pressure
>plate has a different reflectivity than a roll of film
>does you will get different flash output if you have a
>roll of film in vs an empty camera.
>Nick
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