Archived posting to the Leica Users Group, 1997/07/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> Richard Clompus wrote: > > Dear Fellow LUGnuts, > > Snip > > I don't feel bad I traded in my mint 35 Summicron lens. The new lens > is > heavier, has an unusual front concave lens element but takes great > pictures. Carl Socolow wrote: > Richard, > > Is it really concave? I have never heard of such a thing. Although Leitz > is certainly a trendsetter. > > Optically yours, > > Carl Canon made 2 versions of their FD 35 f/2 lens that had a concave element and 2 that had a convex element. It would be fascinating to compare the optical construction of the concave Aspherical Summilux to a convex Summilux as well as to the Canon lenses. Everything old is new again. Kent Smith