Canon 80D night

I took my new Canon 80D with a Sigma 18-35mm F1.8 lens out at night to film under street lights and the reflections on the water. No colour correction. Quite noisy in parts but considering you can see light from France across the channel and boats out at sea not too shabby. I found that at this low light the camera's autofocus was not much good as it was just too dark for it to differentiate the shapes. I also found that sudden lights (eg car headlights) would really throw it so I switched to manual