Archived posting to the Leica Users Group, 1998/06/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 12:12 AM 6/8/98 +0200, you wrote: >zones. If Eric implies that a lens can be fully apochromatically corrected >in the centre and be non- or partially-apochromatically corrected in the >outer zones, I at least must pass. Well, I'm talking about Sigma. :-) >in an earlier post, but I was to hasty in my wording). What I meant to say >is that some glasses have characteristics that can advantageously be used >in combination with others to create APO correction. That's what I thought you meant. Your explanations have been exceptionally good and useful. Thanks. - -- Eric Welch St. Joseph, MO http://www.ponyexpress.net/~ewelch If you are out to describe the truth, leave elegance to the tailor. Albert Einstein