>I've never really understood any use for DX crop mode with an >FX lens. > >Basically you are letting the camera crop the image at the >point of capture, rather than cropping to best suit the shot >in post afterwards, achieving that same result of more >apparent reach. > >You might find a particular shot suits a square crop for >example and you might end up throwing less pixels away > > > > I agree. I wouldn't ever use DX mode even when shooting with a DX lens. I recently did some tests w a 35mm 1.8 AFS DX lens on this camera. It covers a larger area than you would expect and if used wide open at 1.8 when shooting relatively close you have nearly 100% FX coverage with only slight vignetting. I would just shoot with this lens and decide on cropping later. If you are cropping a lot I don't think you will get all the dynamic range benefits of this camera.
"Cameras and lenses are simply tools to place our unique vision on film. Concentrate on equipment and you'll take technically good photographs. Concentrate on seeing the light's magic colors and your images will stir the soul." Jack Dykinga