Archived posting to the Leica Users Group, 2014/08/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Good news. Just to say that I have just tried my 3 cam 280/4 with the 1.4x APO converter - infinity focus is ok!!! Am a very happy bunny. Charlie www.charlie-chan.co.uk On 27 Aug 2014, at 21:07, John McMaster <john at mcmaster.co.nz> wrote: > I can send you links to a rough comparison of S2 /Mamiya 300mm f2.8 APO > (with and without 2x) compared to R9/DMR with 280mm f4 APO (1993 model, > with and without 1.4x APO), I may take another look at the adapter but I > now have Leica S 180mm as well as the Mamiya... > > john > > -----Original Message----- > > Hi Doug, > > OK, I never realised that the focussing pitch caged from 3 cam to ROM. My > copy is indeed an older 3 cam version S/N 36589XX, manufactured 1994. > > Charlie > > www.charlie-chan.co.uk > > On 27 Aug 2014, at 17:40, Doug Herr <wildlightphoto at earthlink.net> > wrote: > >> Charlie Chan wrote: >> >>>>> >> This is for those, who would love to use some of their R lenses on a new >> S (006) or S2 body. I have just bought an adapter ring from Michael >> Leibfritz in Germany >> >> www.lei-ko.de >> >> It cost 500 euros including overnight european courier delivery. It is >> beautifully made. You can only use it for lenses of 180 or longer. The >> new S lenses top out at 180 focal length. The rumoured 350 S lens may >> well not happen. Focus is manual of course with stop down metering. The >> max focus distance is limited, unless you send the lenses to Leica for >> adjustment. >> >> ... >> >> 280/4 APO - max focus distance at infinity point on lens barrel is about >> 20m, but my copy goes beyond infinity to the "feet / m" mark on the >> barrel (which is 40m + in real life). >> <<< >> >> There was some variation in 280mm f/4 APO production. My original copy >> (originally 3rd-cam, now getting its biennial diaphragm de-gumming) is >> like Charlie's lens. My newer copy (ROM) focuses only slightly past >> infinity and even has a different focussing pitch. Sounds like the older >> version is a better fit for the S2 + lei-ko adapter. >> >> >> Doug Herr >> Birdman of Sacramento >> http://www.wildlightphoto.com >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information