On 21 Feb 2004 at 17:02, Nick Clark wrote: > Pentax do make high refractive index lenses for spectacles, which indicates they > do make their own glass. Don't see why they wouldn't do the same for their > photographic lenses too.
The question is do they actually fabricate the glass for their photographic lenses from raw materials? I doubt it but I happily be proved wrong. Cheers, Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
