Adapt Or ... Leitz Summicron 50mm DR

While we were off on vacation, this adapter, which I ordered at the beginning of April, showed up.  This well-machined and substantial black tube fits between the mount of old Leitz telephoto lenses and that of Micro 4/3 camera bodies.  It takes the place of the venerable Leitz Visoflex, a beautifully made, yet cumbersome mirror reflex housing.  I Blipped this apparatus here previously.  Kipon bills itself as producing the greatest variety of such adapters to allow the continued use of so-called "heritage" lenses on modern digital cameras.  This is one of their latest offerings.  I have another adapter - no-name - which has served well for the last two years.  The Kipon is more substantial and there seems to be less "slop" when focusing.  We'll see...