On Oct 14, 6:43 pm, Jean-David Beyer <jeandav...@[EMAIL PROTECTED]
> wrote:
> UC wrote:
>
> > You don't want a straight curve for outdoor work. You want an S-shaped
> > curve, such as that of Tri-X or HP5 or Neopan 400.
>
> OK, that is one reason for our different results: I do want a straight
line
> curve for all my work.
Why? What kind of work do you do? If you do outdoor work with lots of
sky and clouds, you're better off with a film like Tri-X pan, which
has softer highlights and contrastier shadows. It helps offset flare
int he shadows and helps keep the sky from going too light.
> If I do not want detail in the shadows (rare), I can
> reduce exposure and it will essentially drop off altogether.
>
> >> Tri-X 4164 has such a long toe that it has very low
> >> shadow contrast, requiring sufficient exposure to get things off the
toe.
> >> The amateur Tri-X in 35mm format has a very different curve. Was that
what
> >> you tested?
>
> > Yes. 35mm Tri-X Pan.
>
> That is the second reason for our different results. For 35mm work,
Tri-X
> has an acceptable curve shape. But 4164 Tri-X is so different that it
should
> not even have the same name as the 35mm stuff.
Correct.
>
> --
> .~. Jean-David Beyer Registered Linux User 85642.
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