Quote Originally Posted by randy6 View Post
I have an older Linhof III with wide tele and normal no problems with coating's yet. Are these considered "hard coating's" ? Now I have a rollei 3.5e planar with a coating issue and a 2.8f that's fine. I was to understand modern coatings are very soft and can be wipped off is this true? As for uncoated I run into almost no problems such as a leica 5cm summitar uncoated with haze cleaned up like new.
No. Most (if not all then very nearly all) coating issues are due to abuse such as improper cleaning. Some of the very early coatings were "soft", and easily damaged - as were some of the glasses used. Modern coatings are very hard, sometimes harder than the glass they are applied on.