Archived posting to the Leica Users Group, 1999/09/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> "David W. Almy" wrote: > > > > To my horror, my new Apo 90 "acquired" two marks which looked like > > "( )" in the center of the front element, spaced about a > > dime's-width apart. Fortunately, they buffed out (much rubbing w/Leica > > microfibre cloth), only to return! What gives? > > > > Curiously, I have discovered that the (raised) back of the lens cap > > seems to be hitting the protruding front element. Either the front > > element extends too far forward or the lens cap extends too far > > backward. Or is it me? Mark Rabiner wrote: > My intense sympathies. What brand filter was it? I think they should and will > replace it if there were no anti filter warnings in the white sheet. Mark, No filter involved. I have a hunch that the lens cap rear locking spring structure, when squeezed to release the on-tight cap, can tap the front element (L&R), causing the marks. David W. Almy Annapolis