On 12/21/06 12:43 PM, "P. J. Alling", <[EMAIL PROTECTED]> wrote:
> Pentax already probably uses Hoya glass blanks to make their Pentax > branded lenses. There aren't many suppliers of glass ingot and other optical materials in the world. I would assume that most lens makers including C/N are getting glass materials from Hoya (I am not sure about Canon as they may still have glass foundry somewhere). Minolta and Pentax used to have glass foundries too. Ken -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
