Archived posting to the Leica Users Group, 2015/11/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks for the tip. I?ll do that if I want to explore other wavelength cutoffs. ?howard > On Nov 12, 2015, at 5:58 AM, John McMaster <john at mcmaster.fr> wrote: > > Just search on the auction site, choice of 720nm, 760nm, 850nm or 950nm > cut-off for less than 10USD inc shipping.... Won't be as good optically as > B&W or Heliopan, but not an everyday filter. > > john > > -----Original Message----- > > I?ve seen numerous images recently on the forum done with the M8 and an IR > filter, but the search function in the archives is down at the moment, so > I?d like to ask two things: > > 1. What filter is recommended? The B+W 093 appears to result in good > images from what I?ve seen online, but its specifications seem to indicate > that it admits only wavelengths longer than where the M8?s filter starts > to be really effective. OTOH, the 092 filter appears to pass a good deal > of visible red, not what I?m after. > > 2. My Elmarit-M 24/2.8 takes E55 filters. B&H lists nothing in E55 except > a few Leica UVA/IR blocking filters, obviously the opposite of what I?m > after. Will this lens take standard 55mm filters? For some reason, the > answer to this seemingly simple question has been astoundingly difficult > to find by googling. > > Thanks for any advice, > ?howard > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information