Anorak News | Lost pinhole camera takes world’s longest exposure photograph

Lost pinhole camera takes world’s longest exposure photograph

by | 14th, December 2021

Longest Exposure Photograph Ever

The beer can pinhole camera spent eight years capturing a solargraph at the University of Hertfordshire’s Bayfordbury Observatory. The final image records the sun’s movement in 2,953 light trails.

Regina Valkenborgh set up the camera in 2012. And then forgot about it. It was found in September principal technical officer David Campbell tied to one of the observatory’s telescopes. He told Valkenborgh, who says:

It was a stroke of luck that the picture was left untouched, to be saved by David after all these years. I had tried this technique a couple of times at the Observatory before, but the photographs were often ruined by moisture and the photographic paper curled up. I hadn’t intended to capture an exposure for this length of time and to my surprise, it had survived. It could be one of, if not the, longest exposures in existence.

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Posted: 14th, December 2021 | In: Key Posts, News, Technology Comment | TrackBack | Permalink