Archived posting to the Leica Users Group, 2000/07/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 8:42 AM +0200 7/16/00, Jean-Claude Berger wrote: >>From what I understand, the Panomigon is a "concept lens" (à la concept-car) >to demonstrate the ACV usability. ACV is more or less painting little black >dots on the edge of internal lenses in order to compensate vignetting. > >-- >Jean-Claude Berger (jcberger@jcberger.com) >Systems and RDBMS consultant (MCSE) >Lyon, France >http://www.jcberger.com > > >> An effective aperture (with ACV, whatever that is!) of f/22, and at best >> geometric aperture of f/11 doesn't bode well for either practicality nor >> optical performance. Sounds like a dithered center filter (the dots MUST be denser in the center to work, right?). * Henning J. Wulff /|\ Wulff Photography & Design /###\ mailto:henningw@archiphoto.com |[ ]| http://www.archiphoto.com