Response to HP5+ vs. Delta 400

Hi. Delta-400 is finer grained and slightly sharper than HP-5+ but as any T-grain tech film is very unforgiving to underexpolsure and processing variations. I found that Delta-400 pushes well up to one stop but above this the contrast gets too high and the grain increases. On the other hand HP-5+ still gives me good results pushed to ISO 1600. I use it in Ilfotec HC (or Ilfotec LC 29, they are identical). You can try Delta in T-Max or X-tol. I have never tryed Delta in Ilford developer, but since the emulsion structure is similar to T-Max films, any developer which works for them will be good for Delta too. I personally still prefer the tonal range and flexibility of the classical technology films such as HP-5+ and Tri-X and the grain does not bother me too much. Evgeni.

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