Archived posting to the Leica Users Group, 1999/09/29
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]LUGers, I have a few lenses from the mid 70's (both M & R) that exhibit two different tones of black anodizing. One black seems to be neutral and black as it should be, but the other black has a reddish tinge to it. Especially noticeable in sunlight or under incandescent light. Can anyone explain this phenomenon? Just curious. Louis DiBacco