A video and a 10 frames per second sequence of three barrow's goldeneye taking off and landing--maybe next time I'll be lucky and get them headed toward the camera---testing and liking my new Canon 7D Mk II (with 500 f/4.5L) The video clip was shot with the full frame 5D Mk III and 70-200 f/2.8L II and 2x III Extender....