Tetenal Paranol S is made to exactly the same recipe as Rodinal, as it was when it was being made by Agfa before they ceased trading in 2005. Rodinal developers offer very high acutance (sharpness) at the expense of more visible grain – one of the features many photographers like. Normal dilution is 1:25 or 1:50, but dilutions of up to 1:200 are not unheard of, offering superb value for money. As with original Rodinal, Paranol S has the same superb shelf life.
RODINAL is by far the best known high acutance developer and also one of the oldest B&W developer formulas still in production – Agfa first released it in 1898. Negatives have a biting sharpness, generally coarser grain and it is thought of as being an ideal developer for slower speed films, which it is, but as always in black and white photography there are no fixed rules and many photographers have found it to be an excellent companion to some ultra high speed films. We would not recommend it as an all rounder – sometimes the additional grain will not suit, but it is a developer photographers should always have to hand – and its excellent shelf life makes it ideal for this purpose – even when opened it can last many years.
We can highly recommended the combination of Ilford Pan-F and Rodinal. But, as always with film and developer combinations, please test and experiment for best results.
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