Archived posting to the Leica Users Group, 1998/07/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 11:27 AM 07-07-98 EDT, Tom A. wrote: >Robert, this was not a scientific fact, I based it on a test of 4 DR,a #15xx >xxx, a couple in the 18xx xxx series and the one I kept 2,1xx xxx. At one time >a Leica Wetzlar lens expert said that the DR was slightly reformulated at >around #2000 000 or #2100 000, mainly a change in the coating procedure. The >one I kept is superb, my best 50 ( of about 7-8 50's), sharp, contrasty and >heavy! [snip] My DR Summicron is #227xxxx, and it is perhaps my sharpest, highest contrast lens, even wide open. Erwin Puts has said several times that the newer Summicrons have better contrast etc. than the older ones, but if this is so, they must be incredible, if they surpass my DR. Dan C.