Archived posting to the Leica Users Group, 2013/03/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Folks folks folks, I know for sure that I made exposure errors on this one. TMax-100 is known to be exceptional when the exposure is on, and this batch wasn't :-( Pilot error, entirely my fault. On Mon, Mar 25, 2013 at 2:00 AM, Cedric Agie <cedric.agie at gmail.com> wrote: > I have had no experience with T-Max films (from Kodak) up to now, but > I learned from good sources these more modern emulsions are totally > differend. They were discovered almost by chance by Kodak in their > better days when they tried to improve definition in color film and at > the same time use less silver. Believe it or not they succeeded and > applied this technology to B&W films. The silverhalide grains are so > to say like flatstones. Not only their physical but also their > chemical characteristics are totally differend. You cannot "push" them > the normal way etc. > > I will see myself sooner or later, but I haven't made tests yet. > Collegues Pro Photographers seem to be a bit reluctant towards these > films and moved towards Illford classic B&W films. > > Regards > > Cedric > > 2013/3/25 Lew Schwartz <lew1716 at gmail.com>: > > I didn't mean to be entirely humorous. How long was the exposure? I find > > modern emulsions don't suffer from as much reciprocity failure as those > of > > 15-20yrs ago. Sheet films, in my experience, need about .5 to 1 stop more > > exposure and somewhat more development than you might expect, plus a > fairly > > active developer. Another factor in all this might be that the T-MAX > films > > don't have the same silver content as the more traditional emulsions. > > -Lew Schwartz > > > > > > On Sun, Mar 24, 2013 at 3:08 PM, Lew Schwartz <lew1716 at gmail.com> > > wrote: > > > >> Is that Richard Nixon? > >> -Lew Schwartz > >> > >> > >> On Sun, Mar 24, 2013 at 3:30 AM, Richard Man < > richard at richardmanphoto.com>wrote: > >> > >>> Sadly, somewhat a bust since I forgot that TMax-100 has reciprocity > >>> factor! > >>> (too used to the Acros-100 in that sense) > >>> > >>> http://richardmanphoto.com/PICS/20130323-Scanned-67.jpg > >>> > >>> Underexposed by at least a stop but LR does half a decent job of > rescuing > >>> it. > >>> > >>> I have one that uses the Scheimpflug and sadly it's too underexposed to > >>> save. The Scheimpflug does seem to work fine though in getting > unparallel > >>> plane of focus. > >>> > >>> (I know the development is fine as I was developing 12 sheets for > another > >>> person in exchange for 6 holders and they came out fine). > >>> > >>> -- > >>> // richard <http://www.richardmanphoto.com> > >>> > >>> _______________________________________________ > >>> Leica Users Group. > >>> See http://leica-users.org/mailman/listinfo/lug for more information > >>> > >> > >> > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- // richard <http://www.richardmanphoto.com>