Archived posting to the Leica Users Group, 2019/08/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thank you Alan for your detailed explanation, as you say it rquires practice ?, maybe I will try it one day, I keep your explanation. Best! Lluis > El 19 ag 2019, a les 0:53, Alan Magayne-Roshak <amr3 at uwmalumni.com> va > escriure: > > Sun, 18 Aug 2019 Lluis Ripoll <lluisripollphotography at gmail.com>wrote: > >> Alan, > >> Thank you for your information! > >> I?ve never developed by inspection, I think it will be not easy see the > negative in the dark?. > >> Best! >> Lluis > ========================================================================== > I found this technique to be very useful for trying odd film/developer > combinations, and in case of > under or over exposure. You need a #3 dark green darkroom filter and > ideally, a foot switch for it. > Also the processing leading up to the inspection should be done under red > light to preserve night vision. > > I would load the tank and develop to about 3/4 of the required time, then > turn off the red light, open > the tank, unroll the film a bit, emulsion side up and then turn on the > green light with the foot switch. > If the frames looked like dark rectangles, the developing was done. The > green light can only be on > for a few seconds (at a distance of about 2-1/2 feet), or the film will be > fogged. > It takes practice to get to know how to relate what the film looks like > under the green light to how > it ends up when fixed, but I think it's worth knowing. > > -- > Alan > > Alan Magayne-Roshak, Senior Photographer > University of Wisconsin-Milwaukee Photo Services > (Retired) > UPAA Photographer of the Year 1978 > UPAA Master of the Profession 2014 > amr3 at uwm.edu > http://gallery.leica-users.org/v/Alan+Magayne-Roshak/ > > "All the technique in the world doesn't compensate > for an inability to notice. " - Elliott Erwitt > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information