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FX-15 1:1 and TriX @ ASA 320

 

 

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

 

1.  No Pre-soak

 

2.  FX-15 working solution from stock: 1:1

 

3.  Stop with water:  four dumps for about 1 minute.

 

4.  Fix A TF-4, 3 minutes, agitation first 30 sec then for 10 sec every subsequent 30 seconds. Fix B TF-4, 2 minutes same agitation.

 

5.  Wash 5, 10, 15, 20 second heavy agitation with rinsing between; gravity washer 20 minutes.

 

6.  Hang and sprits with DI water

 

Densitometry - Measurements taken from center of negative using Macbeth TD-502.

 

Exposures - All test exposures were taken using a flat painted grey surface during normal film shooting. 

 

 

 

3rd order polynomial to exaggerate the curve shape somewhat.

 

 

 

 

NOTE:  Zone I density continues to increase with both time and concentration.

Summicron DR and Summicron LTM with yellowed lanthium front element

 

 

 

 

 

 

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