Archived posting to the Leica Users Group, 2007/05/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I use the Hoya R72 in 52mm size with step up adapters for 39mm and 46mm. It works fine. I think it's the same as an 89B. Len On May 18, 2007, at 2:21 AM, geebee wrote: > From: "John Biava" <leicam4pro@yahoo.com> > To: "Leica Users Group" <lug@leica-users.org> > Sent: Friday, May 18, 2007 12:53 AM > Subject: Re: [Leica] geebee Ilford SFX processing > > >> >> The exact characteristics of the filter you are using also make a >> big difference. A R 25 is not really an IR filter, but seems to >> be about all that is readily available now. >> > ---------------------------------------------------------------------- > -------------------------- > John, > > I have a Leitz IR filter in 48mm for my 90 cron which I had > completely forgotten until I read your post so I may have to > revisit SFX. I think also that SFX just has heightened sensitivity > to red but isn't a true IR film. > > --Graham > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information