Archived posting to the Leica Users Group, 1998/05/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Marc James Small wrote: > > The blank-molding technology used by Leica seems to have been the result of > a pooling of technology between Zeiss, Leica, and Docter Optic. Docter > claims they own the patent rights to the process and that Leica uses it > under license, but this was disputed a year or so back on the LUG. > > The problem Leica had with the production of the initial 1.4/25 Aspherical > Summilux led to their adoption of the blank-molding process. > > I had never heard of a Tamron involvement. > > Marc > > msmall@roanoke.infi.net FAX: +540/343-7315 > Cha robh bas fir gun ghras fir! Marc (and all), The precision press forming process was developed together by Leica, Zeiss, Hoya and Nikon. (!) I got this information at Leica Academy for dealers a couple years back. Colin