Early experimentation with long exposure light painting. I used a stationary prism in a lightbox and used a small LED to creat the 'lightning' effect.

Shot in West Palm Beach by Cary Quinn on 10/17/2013, 11:15 AM with Canon EOS 10D using 35-135mm lens (at 62mm).

Using Evaluative Metering with -1.67 stop exposure comp. at ISO 100. This was a 15 sec exposure at f29.0