Archived posting to the Leica Users Group, 1997/12/05[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]
At 09:35 AM 12/5/97 -0500, you wrote: >At 11:00 PM 12/3/97 -0600, Eric Welch wrote: >>As far as I know, Leica has only two diffraction-limited lenses. So >what >>good are those numbers? > >Uh , I was under the impression that all lenses are diffraction >limited. A matter of physics as I remember. The reason many I don't think so. Seems to me diffraction limited is when the lens has optimum aperture wide open, and that stopping down only degrades the image because of diffraction. But like you, I've been known to be wrong more than once. ========== Eric Welch St. Joseph, MO http://www.ponyexpress.net/~ewelch The gene pool could use a little chlorine.