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[filmscanners] Re: Real-World Scene Brightness Range

Austin writes:

> B&W film can easily handle 10 stops, with
> very little effort.

It can _just barely_ handle ten stops, from zero to maximum density.  Since
some margin is necessary in order to hold detail, ten stops is potentially
difficult to achieve.  Fortunately, it's not generally necessary.  For many
films, the tonal resolution at the high and (especially) low ends of film
density is rather poor as well.

> Try reading up on the Zone system and
> compensation development.

I don't need to; I have the film data sheets right in front of me, and I'm
simply reading off those.

In any case, however, real-world scenes aren't likely to ever tax film over
a ten-stop range.

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