[pure-silver] Re: Delta 3200 Processing recs.

  • From: Eric Nelson <emanmb@xxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Wed, 2 Sep 2009 10:21:08 -0700 (PDT)

Thanks for all the additional comments.

The 3200 I've been running isn't mine nor do I have any info from the clients 
as the film is just handed to me and I'm told to run at 3200.  For the 3200 
I've been getting I've used t-max 1:4 with mixed results.  That said, the film 
could have been very old or the shooter inexperienced but I did notice some 
higher than what I expected B+F as well as thinner looking negs esp. in one 
case.  It was probably underexposed by at least a stop.

So if I were dealing with film from a known source where I could give direct 
feedback and knew when this same client has brought more of the same, then I 
could have some controls and move into other developers.  As these films aren't 
coming to me from from my usual stable of shooters, I decided t-max would work 
as a good all-around developer as well as being on hand instead of having to 
buy another type.



________________________________
From: RobC <ps@xxxxxxxxxxxxxxxxxxxxxx>
To: pure-silver@xxxxxxxxxxxxx
Sent: Wednesday, September 2, 2009 12:28:47 AM
Subject: [pure-silver] Re: Delta 3200 Processing recs.

I did some testing of this film fairly recently and what I found was that it 
designed and marketed for use with Microphen developer.

If you expose at 3200 and then develop in Microphen Stock for 9mins @ 20degC, 
then you will get 3200 speed from it. It will give 4 stops below and 4 stops 
above metered. So a true 3200 speed film when used with Microphen as per 
Ilfords instructions. It's quite grainy at that speed.

Once you start using other developers, the speed drops very quickly. The next 
best for speed with much improved grain is DDX 1+4 15mins @ 20degC. This will 
give you 4 stops below metered and 5 above when exposed using 1600. Grain is 
much better than with Microphen.

Others developers I tried only gave around 800 speed. I think you would get 
better results pushing delta 400 to 800 than trying to use delta 3200 at 800 
but each to his own...



RobC

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