>With only FX lenses, I'd get an FX body. Differences in IQ >between modern bodies will be a distant second to differences >caused by the sensor format, like DOF. The only reason to even >consider a DX body when one has only FX lenses has nothing to >do with IQ: The D7100 provides more reach when using long >lenses for wildlife and such, due to the higher pixel density >(more than double the density of the D600).
I'm a novice. What do you mean by "higher pixel density"? Both the D7100 and the D600 are 24 Megapixel cameras. Please explain. And thanks in advance.