Archived posting to the Leica Users Group, 2005/01/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Zeiss has taken the remarkable stand in stating (in Q&A fashion) that it believes that the lenses will outperform those already on the market (I assume that they were talking about Leica et al). That's a pretty big statement to back up. I would imagine that it might take more than a month of R&D to design and construct a bevy of those lenses. Jeffery On Sat, 08 Jan 2005 05:55:38 -0800, Doug Herr <telyt@earthlink.net> wrote: > on 1/8/05 3:34 AM, Bill Marshall at billgem@hotmail.com wrote: > > > Zeiss did talk about focus shift in its lead up to Photokina & it > > is again mentioned on it Zeiss Ikon website. Specifically, it says that > > its > > lenses are designed to "minimize focus shift." > > AFAIK, focus shift is caused by residual spherical aberation. > > Doug Herr > Birdman of Sacramento > http://www.wildlightphoto.com > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >