Archived posting to the Leica Users Group, 2003/10/30
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The "titanium" lenses for the M are all brass lenses with a titanium oxide coating as a durable attractive finish. They are MUCH heavier than the black lenses (which are anodised aluminium) because brass is even denser than titanium. cheers Frank On Thursday, October 30, 2003, at 07:38 pm, B. D. Colen wrote: > To say nothing of the titanium lenses for the M...like the old 35 > Summilux ASPH... > > -----Original Message----- > From: owner-leica-users@mejac.palo-alto.ca.us > [mailto:owner-leica-users@mejac.palo-alto.ca.us] On Behalf Of Karen > Nakamura > Sent: Thursday, October 30, 2003 2:06 PM > To: leica-users@mejac.palo-alto.ca.us > Subject: Re: [Leica] My Leica M digital solution > > > >> titanium is heavier than Aluminium. ... AFAIK the only sound >> engineering (rather than fashion/styling) use of titanium was in the >> syncromesh rings of Porsche 911 gearboxes where the high natural >> friction was used to good effect. > > > > What about the titanium shutter foil used in Nikon rangefinders, > Hasselblad 2000 series SLRs, and some others? > > Karen > > -- > Karen Nakamura > http://www.photoethnography.com/ClassicCameras/ > -- > 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 > - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html