Get Nikon 200-500mm f/5.6E ED VR at B&H Photo.
Sometimes I shoot subject just to field check other results.
In this case, I shot this image to check across-the-frame sharpness, color aberrations, bokeh, etc, but it turns out to show something much more useful and important.
A must read for anyone considering the Nikon 200-500mm f/5.6E ED VR:
Images up to 6048 wide, and also large crops.