It struck me, Sven - maybe you are thinking of multilayer coating techniques, which indeed I believe were developed during WWII-time?
Lasse From: "Lasse Karlsson" <[EMAIL PROTECTED]> > From: "keller.schaefer" <[EMAIL PROTECTED]> > > Coating started to become common after WWII. No pre-war lens on any publicly > > sold camera will have coating - unless applied later. > > Sven > > I think that you are mistaken. The process and finding that certain coating would > suppress reflections on glass surfaces was discovered by accident - I think - around > 1907-1909, although memory may slip here. > As far as I can recall, coating camera lenses got common already during the twenties. > I have in my possession a Zeiss Ikon 6x9 folder camera from the mid thirties (to > tell by it's serial number) which is clearly, visibly coated. (I haven't had any > reason to believe it was applied later or had a the lens exchanged, although this > may be thinkable.) > > If you, or anyone, happen to have any lnks or other references to show that I'm > mistaken on this, I would be grateful, in order to avoid future misinformation. > > Thanks, > Lasse. > > > Zitat von Lasse Karlsson <[EMAIL PROTECTED]>: > > ...> I think that any camera lens made since the about the 1920:s will be > > coated. > > > > > > Lasse > >

