Archived posting to the Leica Users Group, 1997/10/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>At 09:50 AM 10/2/97 +0200, Alf wrote: >> .. 2.2, 3.2, 4.5, 6.3, 9, 12.5, 18, 25 ..., with an additional mark at >>f 2.9 for the Agfacolor filter in the early 30ies. > > >There are minor variations on the Stolz scale: I have lenses which are >marked f/12, others f/12.5. I believe the markings on the Summar are more >accurate than the list I posted. > >The Agfacolor system was the first commercially available colour system. >It mandated the use of special filters both to take and to project the >slide. The system was only sold for a couple of years before Kodachrome >and its ilk came on the market, though Leitz and several other >manufacturers built a fair number of lenses to accomodate it. > >Marc > > >msmall@roanoke.infi.net FAX: +540/343-7315 >Cha robh bas fir gun ghras fir! Just my own curiosity-is there further info on the Agfacolor system? I have a Summar with the tabs(?) for this filter. I have seen references to this system but I don't know any details. BTW, the appendix in Mr. Small's latest book concerning our "throw-away" mentality is very worthwhile reading. Robert Sproul sproul@sc.edu