Archived posting to the Leica Users Group, 1998/01/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> > >Titanium AND chrome lenses are heavier than the black ones, which are made > >of aluminum. > > I thought black lenses are made of aluminium *and* brass. The chrome and > titanium lenses are made of brass only (and glass of course :-) > I believe that all 3 types are made of brass and aluminum, but that the use of aluminum and brass is interchanged depending on the type of finish. The chrome and Ti ones are brass on the outside and the black ones are anodized aluminum on the outside. The result is that the chrome and Ti ones have a higher proportion of brass and weigh more.