University Discovers Photo With 8-Year-Long Exposure That Was Taken With a Beer Can
David Campbellthe observatory’s Principal Technical officerfinally got around to removing the camera this fall. Inside, he discovered thelongest-exposure imageever captured, showing eight years' worth of solar paths across the sky. As a Fine Art student, Valkenborgh was interested in using old technologies to capture images. “Days in the Sun” by Regina Valkenborgh (Photo: Regina Valkenborgh /University of Hertfordshire) She experimented with pinhole cameras, using the technique known ascamera obscura. Her beer-can camera is an extreme example of this technique....