Archived posting to the Leica Users Group, 2000/07/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>personally i'll take a center filter but in concept the goerz hypergon >around ww1 takes the cake for ingenuity and fun. they had a mini flyswatter >you wound and it vibrated in the center of the as you shot. improbably as >it sounds they say the 75mm focal length of a rollei covered >8x10. have seen the lens w/o swatter. the official zeiss historical >collection seized after the war was intrusted by our government to burke and >james for safe keeping. was this putting the fox in charge of the >henhouse?ralph > >> From: "Jean-Claude Berger" <jcberger@jcberger.com> >> Reply-To: leica-users@mejac.palo-alto.ca.us >> Date: Sun, 16 Jul 2000 08:42:53 +0200 >> To: <leica-users@mejac.palo-alto.ca.us> >> Subject: RE: [Leica] Another (new) 15mm for Leica M (39mm) , the Panomigon >> 15mm f22 >> >> 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. I used one of those once, but while it looked like you could fly with it, for practical picture taking it didn't quite cut it. Not too sharp, a black hole in the middle and flare forever! Still, one of the most intriguing lenses I've ever played around with. If you want a super SUPER wide rectilinear image nowadays, one of the easiest ways is to get a fisheye and correct the image in the computer with, for example, Helmut Dersch's Panorama Tools. * Henning J. Wulff /|\ Wulff Photography & Design /###\ mailto:henningw@archiphoto.com |[ ]| http://www.archiphoto.com