The negative looks extremely sharp under a loupe and the film and developer produce extremly sharp negatives but the image size was extremely large188mb and I reduced the image for the web I did apply the unsharp mask.
Eric, The dilution for perceptol I use is one to one in a Jobo for 14 minutes at 21 degrees C. I always use the mirror pre release on the Hasselblad and of course a very ridgid tripod.