Archived posting to the Leica Users Group, 1999/11/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Actually, you need brass against aluminum for the focusing helicoid, which move more smoothly against each other. Older lenses had aluminum on the inside half with brass outside. Newer lenses had the brass inside and aluminum outside to lighten. Silver chrome couldn't be plated on the brass, so they went back to aluminum inside/brass outside for those lenses. IMHO, the brass was more resistent to denting. Tom Schofield - ----- Original Message ----- From: Eric Welch <ewelch@neteze.com> To: <leica-users@mejac.palo-alto.ca.us>; <leica-users@mejac.palo-alto.ca.us> Sent: Sunday, November 28, 1999 10:19 PM Subject: Re: [Leica] Weight / Summilux 35mm f/1.4 -- Eric Welch > At 10:38 PM 11/28/1999 -0500, Andre Jean Quintal wrote: > >--> do I understand you thus chose a chrome Leica M ? > > To me, a black one is so much more discreet > > and I have VERY seldom done photography below -10 F . . . > > > > You have it backwards. The black lenses are brass and aluminum, not the > other way around. > > Eric Welch > Carlsbad, CA > > http://www.neteze.com/ewelch > > The best pictures differentiate themselves by nuances...a tiny relationship > - either a harmony or a disharmony - that creates a picture. -Ernst Haas, > "More Joy of Photography" > >