[alt-photo] Re: instant films (specifically Fuji fp-3000b)

[eric nelson]

Type 55 positives could be treated w/selenium using a brush.  I've
done it, but the fog of time blurs the details of that process.  With
those positives a supplied after coating was used to preserve the
image.
eric

On Sun, Apr 22, 2012 at 12:00 PM, Ryuji Suzuki <rs at silvergrain.org> wrote:
> The news of the week made me wonder how many years did Edwin Land took to
> earn $1bn. But then I noticed Fujifilm FP-3000B is still available and so
> I'm buying a couple of instant film backs for my GX-680 to play with.
>
> I didn't really follow the technology of FP-3000B (yet!) but I understand
> that this film makes positive image with very fine grain with very high
> covering power, i.e., a very small amount of silver, and also very large
> surface-to-volume ratio. So, without testing anything myself, I'm
> anticipating that, unless properly treated, the image might discolor or fade
> quite easily, but at the same time, the image can probably be toned very
> easily and quickly.
>
> What happens if the print is dipped in Kodak Rapid Selenium Toner and
> rinsed? I am predicting that "liver of sulfur" type toners (e.g., Kodak
> Brown Toner) might alter the grain structure too much, risking reduction of
> Dmax and contrast. Image stabilizer based on organic thiol compounds
> (Fujifilm Ag Guard or my published formula using mercaptobenzimidazole)
> would probably work but I'm not sure if the film's chemistry already uses a
> similar mechanism to stabilize the image.
>
> Did anyone try or research along this line of ideas?
>
> Any other fun idea to try with FP-3000B instant film?
>
> --
> Ryuji Suzuki
> "Don't play what's there, play what's not there." (Miles Davis)
>
> _______________________________________________
> Alt-photo-process-list | http://altphotolist.org/listinfo