Archived posting to the Leica Users Group, 2007/03/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Mark Rabiner wrote: > On 3/1/07 1:33 PM, "Michiel Fokkema" <michiel.fokkema@wanadoo.nl> typed: > >> Mark Rabiner wrote: >>>> I've also used 1+3 for 12min. But this gave me too much grain. >>>> >>>> Shooting at 1600 gives me way too much contrast. >>> >>> Michael contrast is controlled by film development. Not exposure. Which >>> is >>> setting your ISO at a different number. >>> >> Doesn't overexposure and underdevelopment lower contrast and increase >> shadow detail? At least that is what I see in the techdocs of Xtol. >> I always thought we have to expose for the shadows and develop for the >> highlights? >> I guess I have to try again on 1600 and develop less. >> > > > Mainly what is lowering contrast is the fact that its getting less > development. The highlight density is lowered so the whole tonal range of > the neg is lowered.. > > The fact that you are then over exposing raising the density of the thin > shadow tones as well as the high tones making for a kind of veiling. > This could be called the lowering of contrast. But it's a side issue to > that > effect. > It's by now a thoroughly trashed neg. (being hard on you but its true) > > If one errs on the side of underexposure at least we end up with a clean > well separating neg. we could loose shadow detail. But our eye goes there > last. After its decided its seen a viable image. > > Our overall impression of the print is fixed in our eye by the look of the > lighter areas. We go to the light. We look at shadow information later. If > we have the time. > Thanks Mark, Saturday night we have Museum night here in Rotterdam. I will certainly shoot a few rolls and do as you advise. -- Best regards, Michiel Fokkema