Archived posting to the Leica Users Group, 2000/03/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Donal Philby wrote: >>> I assume the APO becomes more important the larger the aperture (deep DOF masks non-APO qualities??) <<< Yes and no. For longitudinal chromatic abberations, yes. For lateral chromatic errors which shows up as color fringing, more DOF is no help. Doug Herr Sacramento http://ourworld.compuerve.com/homepages/telyt