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Photography: Slit-scan photography |
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The image above looks like it has to be a Photoshop job, but in reality, it's actually not. The shot of a field in Vietnam was taken by a Californian photographer Jay Mark Johnson with the help of a so called slit-scan camera. The same technique is used to create photo finish images in sports to decide who won when the results are closely matched.
How does Slit Scan Photography work? The images are taken with a Slit-scan camera which has a line-shaped lens. The camera takes vertical or horizontal shots, meaning it takes images line by line or column by column and as a result the objects that are not moving, like field and the rest of the background on the first picture appear blurred, any moving objects, like farmer and two water buffalos end up looking sharp.
To put things more into a perspective, imagine a slit-camera not moving at all and taking shots of the world in front of it through its narrow line-shaped lens and "sticking" the shots together, side-by-side be it on the film or a digital medium. So if nothing is moving in front of the camera, it will take a really narrow shot of the same thing, like the field in the first picture and if you stick multiple shots of the same not moving thing next to each other you get a smeared like effect. But anything that is moving pass the slit-camera, will of course be shot as well, but with each next shot a different part of that object will be taken and if you stick those slices together, side-by-side you get a clear view of the whole object that was passing by the camera.
| changed: mat (8th Nov 2012, 8:00 PM) |
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Some more fine examples of Slit Camera photography:
More from Jay Mark Johnson here: http://www.jaymarkjohnson.com/
| changed: mat (5th Nov 2012, 5:15 PM) |
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I read about this technique not that long ago, and another a bit more abstract and awesome explanation coming form the Jay Mark Johnson himself, "I make photographic time lines,... Because the photographs seamlessly blend visual depictions of space and time into a single hybrid image they provide an altered 'spacetime' view of the world."  |
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| For the old school sci-fi fans, the Slit Scan was used for the stretched warp effect in the Star Trek: The Next Generation and in 2001: A Space Odyssey movie by Stanley Kubrick. |
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Another fine example of the slit-scan technique used to record a video:
| changed: mat (8th Nov 2012, 7:59 PM) |
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