a slow shutter speed should not work except if there would be really a lot of lightning(which should end in an interesting picture with lots of lightning bolts striking at once), a fast shutter speed with ~4 pictures per second should do the trick and of course you'd need a nice piece of glass (big aperture/iris) or (no offence intended against your camera
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) the noise in the image is all crushhsdhsdhs
Or have these 2000€ cameras that have an awesome high iso performance...
My idea: Short(time) lightning (want to "catch" the lightning = fast shutter), low light... nice aperture (mby f2-f3, any thing lower than f2 might just be too much) and the 4 pictures per second is just to make it easier to get a good picture
But correct me Pingo and manhut
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just thinking out loud I'm not a student ^^