Nikon D80 vs Nikon D200 digital camera comparison
LCD screen size on both models(Nikon D80 and Nikon D200) is 2.5".
These digital cameras are 10.2Mpix. This value has some influence on picture details and picture quality.
Optical zoom at Nikon D80 is 7.5x and for other model you should buy special lenses (what is characteristic of real professional models).