Hi, > [...] Granted they have released a > 70-200 f2.8 IF-ED G lens, I don't think most Nikon > owners are worried that Nikon will abandon the F-mount
Nikon has already abandoned the "old" F-mount. Or is your idea of "full compatibility" having to buy the F-100 (price $1000+) ? If Pentax goes along the same way (and they must, if they are to compete with Nikon and Canon), then our K and M lenses are doomed. Cheers, Boz