From: Shannon Stoney (sstoney@pdq.net)
Date: 10/16/02-08:26:47 AM Z
>When you use SBR 10 or any number, how do you calculate ?
>Between zone I & VIII, III & VIII ?
>
>Philippe
I calculate between zone II and whatever the high zone is. Like, if
there is zones II through VII, that is SBR 6.
--shannon
>
>> De : Sandy King <sanking@clemson.edu>
>> Répondre à : alt-photo-process-l@sask.usask.ca
>> Date : Mon, 14 Oct 2002 20:07:15 -0400
>> À : alt-photo-process-l@sask.usask.ca
>> Objet : Re: paper and film testing
>>
>
>> I find it odd that the EFS would be 250 regardless of time of
>> development. In looking at several different tests I have done with
>> TRI-X, when the choses DR is set to 1.4 (close to your 1.38 for AZO)
>> I get approximately the following results, which are something of an
>> average I got in tests with HC-110 1:20, Pyrocat 2:2:100, and ABC+
>> 1:1:50.
>>
>> SBR 10 EFS 100
> > SBR 9 EFS 160
> > SBR 8 EFS 250
> > SBR 7 EFS 320
> > SBR 6 EFS 400
> > SBR 5 EFS 500
> >
> > Sandy
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