This is something of a follow-up to cupcake's thread about the best easy to use tank for developing 4x5 sheets...
I recently got myself a MOD54 tank insert, and seem to have a choice between two problems when using it: I can either go for a developing cycle with strong and frequent agitation, and end up with relatively even development, but the back of the films gets heavily scratched where the retaining fingers hold the film. OR: I go for more gentle agitation and end up with underdeveloped areas, again in proximity of the holding fingers. Neither is ideal, although the scratches encountered in the first approach don't necessarily show in scans, so this seems the lesser problem.
As a reference, I used Ilford Delta 100 film and either Ilfotech DD-X or Ilford Perceptol (stock) developer. I should also say that after a bit of practice I didn't have the loading problems others seem to have encountered, nor have I so far had any cases of negatives dislodging or touching each other.
I understand that some people recommend longer development times and higher developer dilutions for use with the MOD54. While I would be hesitant to choose my developer mix to suit the tank, rather than the negative, it would be great to know what chemistries and agitation people are using who have been happy with their MOD54!
It would also be great to hear from anyone who managed to get good consistent C-41 results with their MOD54 - this is something which after my b/w results so far, I have not been confident enough to try with this system.
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