[pure-silver] Re: Avoiding pinholes on lith
- From: "J. Stewart" <jrstewart@xxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Mon, 11 Oct 2004 20:37:07 -0400
Nick, I'm using lith as a mask (specifically a SCIM). In that mask, you use
an interpositive to create a very high constrast SCIM mask: The midtones and
highlights have to be very dense. That's where I see problems with pinholes,
on the densest part of the mask. Even on the interpositive, which is not
very dense at all, I can see pinholes, but they don't cause a huge problem.
When the SCIM mask has pinholes, the final print has an obvious black speck
where the pinholes on the mask are.
Does D72 have less alkalinity than other paper developers? Others advised me
to avoid developers with carbonate. D76/ID11 uses borax instead of
carbonate... that's why I asked about D76.
To get high constrast with a dilute solution would probably take a long time
(hours??). Thats' why I'm using full strength or 1+1.
Appreciate the interest in my problem.
Jim
----- Original Message -----
From: "Nick Zentena" <zentena@xxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Monday, October 11, 2004 9:18 AM
Subject: [pure-silver] Re: Avoiding pinholes on lith
> On October 11, 2004 09:11 am, J. Stewart wrote:
>> Peter, thanks.
>>
>> I did try lith developer 1+1 and still got pinholes. This developer has
>> HQ
>> and sulfite in Part A and carbonate and hydroxide in Part B (Arista Lith
>> Developer, I think).
>>
>> I have D76/ID 11... it uses borax instead of carbonate. It contains both
>> metol and HQ... most lith developers have only HQ. I'd like to mix up
>> something quickly as I have to mail-order all my chemistry and don't want
>> to wait.
>>
>> I wonder if I could make up a developer with a "lith" concentration of HQ
>> but use Borax and sulfite concentrations of D76. Any thoughts on this
>> approach?
>>
>> I searched thru Photo Lab Index but didn't find anything that would help.
>
>
> I'm curious what you're using the film for? If it's for normal contrast I
> thought the dilution of D-72 was much higher. 1:10?
>
> This developer is designed for lith film and normal contrast.
>
> http://members.aol.com/fotodave/Articles/LC-1.html
>
> Nick
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