Archived posting to the Leica Users Group, 1999/11/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]"Anderson, Ferrel E" wrote: > > Jobos, as far as I can tell from reading this forum, provide continuous > agitation. This is fine for developing large format negatives and prints, but > adjacency effects that are achieved by intermittent agitation in developing film > can make a lot of difference is producing apparent sharpness in prints made from > small format negatives. An example is Ilford XP-2. I exposed two rolls of this > film under identical conditions and with identical subjects on a copy stand. > One roll was developed by the local film processor with continuous agitation, > and the other was developed by me with a home C421 kit and my trusty Nikor SS > tank with intermittent agitation. The home processed film had noticeably better > acutance, i.e., edge sharpness, than the roll developed at the local camera > shop. One of the knocks against the B&W chromogenics has been poorer edge > sharpness as compared to conventional films. > > But give me automation in the darkroom. I hate to tip those damned trays. > > Ferrel Anderson I guess a pro lab with dip and dunk processing like Photo-Craft here in portland will give you closer to your kind of excellent results, Ferrel. Better then the continuous you get with a Wing-Lynch. I had forgotten about C41. Mark Rabiner