Digital BW, The Print

I assume that is 35ml of the 9 percent sulfite mix Edwal recommends 
for "finer grain"? That also shortens developing times.

My best TP experiences were with 4x5, pre-exposed to Zone II to lift 
the curve in the low values, developed in Rodinal 1:125 (much more 
economical than Technidol), with a bit of selenium toner on occasion 
if the highlights were too flat.

The pre-flash to Zone II works with roll film too, if your camera 
double exposes, just use a plexi diffuser, really helps the shadows. 
Both tricks are commonly done with Pola T55, of course.


>Here's that TP-FG7 dev. times again with the corrections. Except for
>the lack of grain, the tones resembled pretty much that of FP-4 and
>ID-11 I was using at the time.
>
>Not being an expert at film development, and this being an easy
>receipe to follow, I'll let the experts plot any curve, dmax, etc.
>Cheers,
>Andre
>
>
>TechPan + Edwal FG-7
>Normal scene: 2 minutes @ Ei 32
>Interior flash: 3 min @ EI 64
>Highly diffused light: 4 min @ EI 125
>
>-16 oz of water @ 68F
>-Add 35ml Sodium Sulfite and mix
>-Add 35ml Edwal FG7 and mix
>-Filter dilution (Use a coffee filter)
>-Presoak film: 1 minute
>-Agitate: First 15 sec, then for 5 sec. every 30 seconds.
>Cheers,
>Andre
>
>
>
>
>
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-- 
Bruce C. Kinch
Associate Professor of Photography
The Art Institute of Boston at Lesley University