Cory Ammerman , Mar 26, 2013; 03:34 p.m.
The 50mm lens will be fine on FX. The 35mm will not. The DX in the description of the lens means that is only for DX size sensors (cropped cameras). If a lens doesn't have DX in it's description (Nikon lenses, other manufacturers use other letters), then it is for full-frame cameras.