[pure-silver] Re: Advice on first steps to making own fine grain compensating developer

  • From: Anne & Charles Ellis <cgellis@xxxxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Mon, 14 Mar 2005 07:46:14 -0600

I've had great results with APX 100 (sheet and 35mm) using FX 37. Don't 
have the formula in front of me but it's published and I believe will 
show up on a Google search. Seems fine grained with excellent sharpness.

Charles Ellis

Martin Jangowski wrote:

>On Sat, 12 Mar 2005, Christopher Woodhouse wrote:
>
>  
>
>>I have a general idea of the characteristics of different agents and
>>additives as well as the need of commercial companies to add further
>>ingredients to make their formula keep, transport and mix effectively. It=
>>    
>>
> is
>  
>
>>a whole new world so I need to start with some sensible, practical
>>recommendations in the first place.
>>
>>Specifically, I'm interested in other's comments on D-23 and how it diffe=
>>    
>>
>rs
>  
>
>>to Perceptol and possibly Microdol-X in both makeup and performance with
>>films such as TriX 320 and Neopan 400.
>>    
>>
>
>I tried D-23 extensively, especially with 100 ASA films. I found that it
>is a fine grain developer with average sharpness and some loss of speed.
>
>After Ryuji published his DS-10 formula, I tried it and found it plain
>better than D-23 with suitable films (I had good results with the Deltas,
>T-Max, Acros and 400TX and not-so-good results with APX and Lucky films).
>DS-10 1+1 is my standard developer for my standard films, Delta 400 and
>100, I use if for about 90% of my work.
>
>OTOH, I love APX100. So I looked for a fine grain formula for it and tried
>a Microdol/Perceptol lookalike from the net (or Anchell-Troop?).
>
>5g Metol
>100g Sodiumsulfite
>33g NaCl (iodide free, not plain table salt!)
>1g Boric acid
>dist. water to 1l solution
>
>My results (used 1+3 with APX100) are very good, I rate it at 40 ASA and
>got extremely fine grained and sharp results. My dev time is 11:00 at
>24deg in a ATL3 (75 RPM).
>
>
>Gr=FC=DFe aus Hohenlohe,
>
>=09Martin Jangowski
>
>| Martin Jangowski                         E-Mail: Martin@xxxxxxxxxxxx|
>|                        Netzwerke und Multimedia                     |
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