Hi, I had the same problem with my EOS30 and Sigma 105/2.8 macro. After a free chip-upgrade everything is fine.
> > I have the above lens. It was working fine with an EOS 5 I > had. Now I have > an EOS 3 and it doesn't do AF neither the diaphragm stops > down. Is there a > compatibility problem? I have tried to clean up the contacts, nothing > changed. > * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
