Marks that are in a circular pattern are called circumferential, and marks that start in or about the center of the lens and traverse the lens surface to the outside are called radial marks.
keith whaley Mike Johnston wrote: > > > Interesting. The marks in my lens are radial, ie they go around the lens > > in a circular pattern and cover basically the whole area of the element. > > Pretty much Universally, lens elements should not have marks on them. > > --Mike > > P.S. I'm hoping this will prove an uncontroversial statement. <g>
