[pure-silver] Re: perceptol 1+1 and grain
- From: Eric Nelson <emanmb@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Tue, 6 Nov 2007 11:48:02 -0800 (PST)
IME the finest grain is acheived w/straight Microdol
at the loss of 1 stop although I've not compared it to
the diltued results.
The combination of microdol straight and t-max 100
shot @50EI printed w/a cold light yields superb
results even in 35mm.
Another downside of Microdol straight is a softening
of the grain but in normal usage (8x10-16x20) that
never seemed to be a problem.
To dilute and get coarser/sharper grain vs straight
Microdol w/finer grain w/the speed loss ends up being
a personal taste thing I guess, and also whether
shooting situations allow for the speed loss.
--- "Nicholas O. Lindan" <nolindan@xxxxxxxxxxxxx>
wrote:
> "Shannon Stoney" <shannonstoney@xxxxxxxxxxxxxxx>
>
> > back to an old topic of about a week ago. I
> bought some perceptol
> > today, but I suddenly realized that if you use it
> full strength it's
> > pretty expensive! What about using it 1+1?
>
> Perceptol is Ilford's version of Microdol-X.
>
> Microdol is often used 1:3. The results
> of dilution are a matter of some debate.
>
> To my eye MX works best at 1:3 - grain is
> as fine as at full strength, but as the
> grain is sharper it may look coarser.
>
> Resolution is a very small ooch better
> at 1:3 but the sharper grain makes the
> resolution gain to appear much higher than
> it is in reality.
>
> And my pocketbook agrees: Microdol is best
> at 1:3.
>
> You can get times for Perceptol 1:3 from
> http://www.digitaltruth.com/devchart.html
> If you can't find your film listed with
> Perceptol look for times using Microdol.
>
> ==
> Nicholas O. Lindan
> Cleveland Engineering Design, LLC
> Cleveland, Ohio 44121
>
>
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