We were lucky enough to see the Aurora Borealis on a number of occasions. Normally we would get woken up at some ungodly hours ( 2 a.m.) to go out on deck and have a look. Really not easy to take these images in pitch black and travelling at a mean speed of 15 knots. This was taken with the Nex-5 and the CV 15 f4.5. Set the aperture to f8 and the focus at just under 2m. Focus should then be ok for everything to be in focus. Problem was, a tripod doesn't help in these situations because of the ship movement. All these images of the Northern Lights were taken hand held.