Re: Introduction

[George L Smyth <glsmyth@xxxxxxxxx>]

--- pete <peteray@xxxxxxxxxx> wrote:
> >Rodinal leaves the grain alone, which is why it allows all the acutance the
> >film will provide.
> 
> I wonder if there is any developer that promotes grain clumping as 
> much as Rodinal. I'm not sure what you mean by "leaves the grain 
> alone." Acutance is a subject in and of itself and is probably more 
> related to the dilution and agitation of the developer and the edge 
> effect that is created.

D76, for instance, contains sodium sulfite, which eats away at the edges of the
grain clusters.
 
> > switching to Xtol or D76 will eat away at
> >the grain clusters and offer a smoother look.
> 
> Microdol-x is the only "solvent" developer that is commercially 
> available that i know about although perhaps photographer's formulary 
> has a competing product. D76 does not have a smoother look because 
> the grain is eaten away. There is no solvent in D76. Forget about the 
> very small amount of sodium sulfite that is added as a preservative.

Though sodium sulfite is added as a preservative, it definitely eats away at
the grain.  At home I have a formula for High-Acutance D76, which leaves the
sodium sulfite out.  The results are quite different.

george

=====
Handmade Photographic Images
http://members.home.net/hmpi/

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