Light Poles and Domes of Light

Taken at the Monona Terrace rooftop. This photo was taken later and required a 3 second exposure. I used a wide angle lens to get as many poles in the shot as I could.

One of the problems with a wide angle lens is that it can distort the image. In the original the poll on the left was leaning in towards the center quite a bit while the poll furtherest on the right was also leaning inward as well. I brought the image into photoshop and used the lens correction filter to fix this.