Light painting, or light drawing, is a photographic technique in which exposures are made by moving a hand-held light source while taking a long exposure photograph, either to illuminate a subject or to shine a point of light directly at the camera, or by moving the camera itself during exposure The technique is used for both scientific and artistic purposes, as well as in commercial photography.

EXIF Data

Camera Type: NIKON D3100
Lens: 18.0-55.0 mm f/3.5-5.6
Date Taken: 4/27/13
Aperture: f/11.0
Shutter Speed: 1.0
ISO: 400
Exposure Mode: Manual
Focal Length: 55.0 mm
White Balance: Auto
Metering Mode: Center Weight
Light Source (In Camera): N/A
Flash: Compulsory mode
Light Source (External): Night car lights
Size: 580 KB
Location: Sacramento Tower Bridge, Sacramento, California
Latitude: 38,34.4966N
Longitude: 121,30.2884W
Elevation: 3.30 m