Archived posting to the Leica Users Group, 2002/03/20
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]If only they performed such rigorous QC on outgoing materials - such as their cameras and lenses. ;-) JHMO B. D. - -----Original Message----- From: owner-leica-users@mejac.palo-alto.ca.us [mailto:owner-leica-users@mejac.palo-alto.ca.us]On Behalf Of Jim Brick Sent: Wednesday, March 20, 2002 12:38 PM To: leica-users@mejac.palo-alto.ca.us; leica-users@mejac.palo-alto.ca.us Subject: [Leica] Re: Lenses At 12:04 PM 3/20/2002 -0500, Dr. Elliot Puritz wrote: >I would be very interested in seeing what Erwin says about Leica glass being >obtained from different sources, and the coatings being modified according >to the properties of the glass. In his book Erwin is very clear about the >quality control that Leica uses in the manufacture of their lenses, and the >pains that they take to insure that the glass used is of such a nature as to >assure that the computer design of the lens is in fact what is achieved in >the final result. If the glass is different from one "batch" of lenses to >another ( naturally of the same type, e.g., the 50 summilux for example ) >then the final result might not be consistent. Anyone going to Solms soon >for one of the Leica courses? Would be a great question to ask at the >factory. > >Elliot I suspect that, like all "good" manufacturing companies, Leica performs rigorous QC on incoming materials, including glass. JMHO, Jim - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html