Archived posting to the Leica Users Group, 2002/03/20
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The color of the very thin MC coating has a direct relationship to the thickness of that coating, and to the best of my knowledge, nothing else. DIfferent colors = different thicknesses. In the "old days" I think the coatings were thicker, and there might have been some sensibility to the chemical composition of the coating and its color. But not today. Frank Filippone red735i@earthlink.net - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html