Archived posting to the Leica Users Group, 1996/10/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Bert, Yes, certainly. Seen from the _commercial_ point of view this is absolutely understandable. Therefore I feared this fact to be as it is ... Have a fine day Hubert > Date: Mon, 30 Sep 1996 19:39:59 +0200 > From: Bert Keuken <bert.keuken@pi.net> > Organization: Planet Internet > To: leica-users@mejac.palo-alto.ca.us > Subject: Re: New M 1:2.8/24 mm ASPH > Reply-to: leica-users@mejac.palo-alto.ca.us > Hubert Nowotny wrote: > > I feared it would be like that; somewhere hidden deep in my heart > > there is the secret wish to get aspherical faces grinded instead of > > moulded, but I know that I will be disappointed each time again. > Dear Hubert, > > Please take note that grinding aspherical lenses is *much* more > expensive than high-precision blank moulding due to the large number of > "rejects". It appears to be that grinding aspherical lenses is very > cost-inefficient. That's why the S'lux-M 1.4/35 mm ASPHERICAL (with two > aspherical ground surfaces, only 2000 made) is more expensive than the > S'lux-M 1.4/35 mm ASPH. (with one moulded aspherical surface). I don't > expect Leica to make ground aspherical lenses in the future. > > Greetings, Bert > * Von/From: HUBERT NOWOTNY, CTR Hatzenberger & Nowotny OEG * A-1040 Wien/Vienna, Kettenbrueckengasse 16 (Austria, Europe ...) * Tel ++43-1- 586 20 22 - 0, Fax ++43-1- 586 20 22 - 24 * hubertn@ctr.co.at, http://www.ctr.co.at/ctr/