PC-21: The PC-21 doing a looping. Grrr. Unfortunately the best picture with a nice sun reflex has a cutoff wing. 400mm awith a DX sensor (equals 600mm at FX9 aren't easy to keep steady. And this plane wasn't that fast. Swiss military airplane demonstration at Axalp. Nikon D200, 1/1500 s, F/6.3, 400 mm, ISO 400, Wednesday, October 7, 2009 14:16:44