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Bright Idea: Oversized Camera Obscura

A camera so big, you can step inside


 
Mitch Kern a photographer and associate professor at ACAD is photographed inside his mobile Camera Obscura in downtown Calgary. Using a 1970 Boler trailer with a light proof door he uses hand-made lenses to project images of the outside on a white wall inside for people to view. But unlike a camera the Trailer Obscura has no recording device. The images one sees inside the chamber upon the walls floor and ceiling are fleeting and ephemeral. (Photograph by Chris Bolin)

Mitch Kern a photographer and associate professor at ACAD inside his mobile Camera Obscura in downtown Calgary. (Photograph by Chris Bolin)

Great minds do not think alike, and that’s why universities and colleges are the mother of inventions. Click here for the rest of our Bright Ideas series.


Mitch Kern – Alberta College of Art and Design (ACAD)

Think back to high school photography class and recall the pinhole camera. Remember nothing? A quick refresher: “When light comes into any light-tight chamber, through one relatively small hole called an aperture, light travelling in a straight line casts images upside down and backwards,” explains photographer Mitch Kern, associate professor at the Alberta College of Art and Design. “It’s the natural way light behaves, and it’s truly magical.”

This isn’t new—in fact it’s very old. This principle of the “camera obscura” was theorized by Aristotle, used in experiments by Greek architect Anthemius and described in detail by Leonardo da Vinci, who used it to help with his art. “It was a 15th-century aid in drawing and painting, as well as the precursor to the modern-day camera,” says Kern, 50.

The modern pinhole camera is most commonly an arts-and-crafts project made of a toilet-paper tube and construction paper, which doesn’t exactly make for thrilling teaching. “I always start with photography basics and technical stuff,” says Kern. For 15 years he’d been dreaming of a lesson plan with more wow: A pinhole camera so large that students could experience how a camera works from the inside.

Kern’s modern version is still a bit retro. As an homage to Prairie camping culture, he scouted an eight-by-13-foot 1976 trailer on Kijiji for a bargain $3,800. He covered the windows with moulded fibreglass and painted it white. He gutted the inside, adding hardwood floors and bare white walls which function as a screen. To adjust the focus, a softball-sized hole shrinks to the size of a Ping-Pong ball, at which point the magic he promised occurs: “Focused, full-colour images, with texture and movement, only upside down and backwards.”

Part science experiment, part interactive art experience, Kern’s mobile trailer—a.k.a. “the contraption”—has made stops at the Calgary International Film Festival and at university departments for anatomy undergrads studying the human eye. Wherever it goes, visitors are awed by an old idea made new.

ACAD Instructor Mitch Kern demonstrates his mobile camera Obscura to students on Friday, October 30, 2016. (Photograph by Chris Bolin)

ACAD Instructor Mitch Kern demonstrates his mobile camera Obscura to students on Friday, October 30, 2016. (Photograph by Chris Bolin)

How to be a photographer

Inventor: Mitch Kern

Position: Associate professor, School of Visual Art, Alberta College of Art and Design

Undergraduate degree: Bachelor of arts, University of Maryland, Baltimore County, 1999

Graduate degree: Master of fine arts, photography, Pennsylvania State University, 2002

Other pathways: Undergrad degree in any subject, plus a keen interest in arts and visual communication


 

Bright Idea: Oversized Camera Obscura

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