Capitol Dome Detail of the Capitol dome, Washington, DC. On the Capitol grounds, you have to get a tripod permit. They are free and available from the Capitol Police. This was shot in early evening. The dome is green and the sky neon blue from the bright sodium vapor lights used to light the dome at night. LENS: 100-400 at ~150mm | FILM: Fuji Velvia | EXPOSURE: f/11 at 1/?" | DATE: 09/99 |