Archived posting to the Leica Users Group, 1999/06/30
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]You answered your own question. Different heads. Different usable light output. Jim At 05:15 PM 6/30/99 -0700, you wrote: > > >Any of you who do your own black and white printing, have you noticed a >difference in the general exposure time you are using? > >I recently used a rental darkroom.. first time in years. The negs I was >printing were properly exposed 400 (Kodaks b/w film developed in color >chemestry) > > >When printed in the cold light head the exposures were 120 seconds at f2.8 >but when I printed them in a condencer it was more like 30 at f5.6 > >Both times I printed on the same paper : Agfa Insignia FB 11x14 at full >frame. > >The chemicals were all fresh and at the same dilution. > > > >Thanks.. > >Mark >