What's a QDOS? keith whaley
Fred wrote: > > > I've collected some data on the various versions of this lens at > > http://www.robertstech.com/temp/vivitar.htm > > > ANy help in filling in the gaps or contributing in any way would > > be appreciated. > > Hey, nice table, Mark. (Nice photo, too - <g>.) > > I have added some info below (a couple of slight corrections and > some possible additions to your chart). [...] > Version 5 - Same as for Version 4. (It ships with the same manual, > plus an additional QDOS manual that does not provide any different > specifications, although the weight is probably slightly different, > due to the additional QDOS components.) > > Fred
