[alt-photo] Re: Vandyke exposure amny. w/ NuArc 26-1KS?

[Paul Viapiano]

But the negative, the negative....another big variable.




----- Original Message ----- 
From: "Keith Gerling" <keith.gerling at gmail.com>
To: "The alternative photographic processes mailing list" 
<alt-photo-process-list at lists.altphotolist.org>
Sent: Thursday, July 15, 2010 4:09 PM
Subject: [alt-photo] Re: Vandyke exposure amny. w/ NuArc 26-1KS?


>I don't print VanDykes, but I'm curious about your gum time.  I use 85 
>units
> for yellow and 65 for everything else.
>
> Keith
>
> On Thu, Jul 15, 2010 at 5:13 PM, Loris Medici 
> <mail at loris.medici.name>wrote:
>
>>  I've just determined the standard exposure amnt. for gold-thiourea toned
>> Vandykes (on Weston paper, single coat), and it's 160 units (~ 2:25) with 
>> a
>> fresh lightbulb and Agfa CopyJet/SelectJet transparency material. I 
>> wonder
>> how that compares with your exposure times?
>>
>> TIA,
>> Loris.
>>
>> P.S. I think I'm going to try double coating; I've got an acceptable 
>> dmax,
>> but kinda feel I'll be more happy with something a little better...
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