Fig. 20: The first outcome of the thunderstorm season in 2012. Some thunderstorms occured during daylight where it is too bright for the long exposure interval shooting technique. Other lightings came after it was already raining heavily and I could not set up the camera. Nikon D3; Δt=30 s; f=17 mm; f/8.0; ISO 200; 15 August 2012 22:23:35
