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Long-exposure pinhole photography

Posted by Kevin Hartnett  February 22, 2013 10:30 AM

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Most of us learned about pinhole photography in grade school. Matthew Allred of Utah has raised it to a high and entrancing art with his series, "Heliography," which features photographs exposed over periods of time as long as six months. Allred uses custom-built pinhole cameras and a special chemical process that prevents the film from bleaching out during such a long exposure to the light. As he explains on his website, this technique creates soft-hued photographs where "the sun appears to arc across the sky." There's also something wonderfully voyeuristic about Allred's images: The narrow aperture, combined with the length of time he observes, creates a delightful feeling of peering out at the world, as if a troll beneath a bridge, or a recluse through the window blinds.

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About brainiac Brainiac is the daily blog of the Globe's Sunday Ideas section, covering news and delights from the worlds of art, science, literature, history, design, and more. You can follow us on Twitter @GlobeIdeas.
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