Digital BW, The Print

One easy and very inexpensive solution for developing
tech-pan is to use Rodinal at extremely high
dilutions.  1:100 or 1:200 with a modified stand
development (agitate for 15-30 seconds, tap for air
bubbles and let tank rest for 3 minutes - do this
about 5-7 times).  I used this method with apx25, and
tech-pan responds with quite similar results.  At
extremely high dilutions, Rodinal acts as a
compensating developer, and has remarkable edge
effects.

As there is not much developer, you need to use a
larger tank than normal - and without continuous
agitation as it will exhaust the developer rapidly.

Don

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