Archived posting to the Leica Users Group, 2000/05/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 2:05 PM -0700 5/1/00, Mark Rabiner wrote: >It's my understanding that all our new generation ASPH's starting with the 24 >are the result of soft glasses from Hoya which are pressed into place using a >new process; a machine from a third party. Previously the high end ASPHs were >ground down the whole way by one old guy who was kept very busy and they made >sure he took his vitamins. Hence the extra grand or two per lens. >The glass would harden after the process was over. I assume it involved heat. >Mark Rabiner Yep. Soft when hot. Hard when cold. I think it is the precision molds which are the innovation, not the glass. * Henning J. Wulff /|\ Wulff Photography & Design /###\ mailto:henningw@archiphoto.com |[ ]| http://www.archiphoto.com