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Beutler and D-23 Prep Page

 

 

 

Development Stats:  Two reel stainless steel tank, inversion and twist agitation.

 

1.  No presoak - for ASA100 pre-wetting creates additional contrast

2.  D23 1:0 at room temp 22C or 1:1 at wash temperature 20C.

3.  Stop with water 20c,  four dumps.

4.  Fix 5 min,  medium agitation first 30 sec then for 10 sec every subsequent 30 seconds.

5.  Wash 15 min 20c

6.  Hang and spray with distilled water.

7.  Dry

 

Agitation:  Initial 15 seconds then 2 inversions in 5 seconds each subsequent minute.

 

Measurements taken from center of negative using Macbeth TD502.

 

Base density and fog subtracted from measured zone densities for graph to illustrate speed point of process.

 

 

 

 

 

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