2004/4/17 21:17 EST. Green Tree, Pittsburgh. Nikon Coolpix 995 camera, 15 second exposure on tripod, F3.3, f11mm, ISO 100, white balance sunny.
To photo lightnings, find a safe place (very important! :-). Put camera on a tripod, focus at infinity, use the 'B' shutter. As soon as lightning occurs, close the shutter. The aperture is best determined empirically.