> > I just bought an *ist DS with the 16-45 mm. Very happy about it, > and > will probably buy the 50-200. > > But one thing is worrying > me: What are the chances that a Pentax DSLR > with a full frame > sensor will make my DA-lenses obsolete? > > none whatsoever
Surely it depends on which lenses you buy, doesn't it? Image circle and all that. John