Archived posting to the Leica Users Group, 2009/04/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Leneord, That is my point! I do not use a filter with that lens, though I do have a UV Leica filter in the 60mm size. Jerry Leonard Taupier wrote: > Jerry, > > I would not expect you to be using a UV/IR filter with slide or print > film. On the M8 my 21mm pre asph before coding gave me color fringing > when using a UV/IR filter and no color fringing after it was coded. I > don't think we're talking the same thing here. > > Len > > > On Apr 24, 2009, at 10:42 PM, Jerry Lehrer wrote: > >> LUGers, >> >> I don't quite understand. I have been using a 21mm Elmarit for a >> couple of years and I never have had >> a problem. All my transparencies and prints have had no colour >> fringing or vignetting. It is much better >> than my previous Super Angulon which was stolen from me by a fast >> talking flatlander from Pacific Beach. >> >> BTW, my Elmarit is the pre-Aspheric version with no coding. It is a >> much superior lens than the C-V >> 21mm that I had been using in the interim. >> >> Jerry Lehrer >> >> >> Leonard Taupier wrote: >>> Douglas, >>> >>> An uncoded 21mm lens with a UV/IR filter will give you the color >>> fringing you describe. >>> >>> Len >>> >>> >>> On Apr 24, 2009, at 6:37 PM, Douglas Nygren wrote: >>> >>>> I have been using a pre-Asph 21mm Elmarit on the M8 and notice on >>>> the edges a subtle shift to light blue. >>>> >>>> My assumption is that this may be caused by vignetting, but I may >>>> be wrong. Has anyone else noticed it. >>>> >>>> A friend suggested that having the lens coded for the M8 might cure >>>> this problem. Does anyone know whether that is true or not? >>>> >>>> My friend maintains that coding helps wide-angle lenses. True? >>>> >>>> I assume the Asph 21 does not have this problem, but that's an >>>> assumption. >>>> >>>> Your help is appreciated, as always. >>>> >>>> Doug >>>> >>>> >>>> _ >>> >>