Archived posting to the Leica Users Group, 2007/01/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks for the suggestions. I'm heading up the wine country here in California in an hour to try some of this out :) On 1/21/07, Jim Nichols <jhnichols@bellsouth.net> wrote: > > After thinking about your question overnight, I decided to see if I had > any > more information that might be helpful. On page 64 of the 1955 edition of > The Leica Manual by Morgan & Lester, they illustrate their discussion of > the > IR index with a closeup photo of a lens focusing scale, but don't identify > the lens. I suspect it is the Summicron from its appearance. It also > shows > the IR index mark coinciding with the 2.0 mark on the DOF scale. > > Good luck with your IR photos./ > > Jim Nichols > Tullahoma, TN USA > ----- Original Message ----- > From: "R S" <darkbulb@gmail.com> > To: "Leica Users Group" <lug@leica-users.org> > Sent: Saturday, January 20, 2007 11:24 PM > Subject: [Leica] IR with Leica > > > > Does anyone know what the focusing compensation is when shooting IR film > > using a Summicron 50/2? > > Somewhere I think I remember it's 'focus forward 1/4% of the lens focal > > length' - but I may be way off on that. > > > > I tried to see if my 1963 Summicron 50/2 has IR focus adjustment > > indicators > > on it but couldn't find anything that would make sens. > > > > Also if anyone have recommendation on film and filters to use that would > > be > > greatly appreciated as this will be the first time I attempt this. > > > > /Rich > > > > _______________________________________________ > > 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 >