David J Brooks escribió: > Got an email response from Gentek, in Markham, that service Sigma products. > > I explained my problem i was having with the 1.4 APO tele not quite > focusing properly on subjects, > MF or Af, from time to time.(some days it works, others it does not) > > The reply was it could need an adjustment, send it in. > > Seems on the surface, a simple product, what might go wrong to need > adjustment. > > Looking for some clues before i call in and make myself look like the > usual idiot i am. >
Hi Dave: I am sorry for the late reply, but I can't keep up with the enormous volume of messages in the PDML. Some Sigma lenses need to be updated (rechipped) for the AF to work properly on some AF DSLRs, perhaps that is the case that you are describing. Carlos -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
