RE: Reversal processing for enlarged negatives

> -----Original Message-----
> From: Ryuji Suzuki [mailto:rs@silvergrain.org]
> Sent: Wednesday, March 24, 2004 12:39 AM
> To: alt-photo-process-l@sask.usask.ca; loris_medici@yahoo.com
> Subject: Re: Reversal processing for enlarged negatives
>
> ...
> What is that film called?
> (Umm... I guess I don't need a distraction here...)

Well, I don't have any idea! I just know it's an ortho-litho film (old
type) that one can develop in standard A+B developer. Will test,
calibrate and start to use it... BTW is there anyone who knows if there
are any difference between old type film (developed in A+B solution) and
the new type film (developed in Rapid Access solutions)? Can I
substitute old type with new type film for making enlarged negatives by
reversal processing?

> ...
> That's right, though you can buy D-19 in packaged form from
> Kodak. If this is too much trouble, Dektol stock strength

I don't think they're stocking D19 here; you can't buy even "Xtol" from
Kodak Turkey! They simply don't import it (we buy it from parallel
importers).

> ...
> > I didn't understand this... 1) Why should I want to flash from the
> > back side? 2) What if I use light from an enlarger with condenser
> > head?
>
> ... but you want to expose all big
> crystals if you want to minimize granularity of the resulting
> film. Putting a tracing paper just above the film and move it
> around during flashing also may or may not help.

I see, this is worth trying then. Thanks for the tip.

> ...
> > I also didn't understand this - using toners as second
> developers? You...
 
> ...If you can fog all the
> crystals either optically or chemically, then any print
> developer should do (for this purpose, I'd use Dektol 1+1 or 1+3).
> But all these are unnecessary if you use KRST, brown or sepia
> toner. These toners convert silver halide crystals to silver
> selenide/sulfide independent of whether the crystals have
> been exposed or not...

Got it. Thanks again.

Regards,
Loris.
Received on Wed Mar 24 07:28:04 2004