He who knows how to appreciate colour relationships, the influence of one colour on another, their contrasts and dissonances, is promised an infinitely diverse imagery.
- Sonia Delaunay
Colour is my day-long obsession, joy and torment.
- Colour is my day-long obsession, joy and torment.
 

 

Monday, November 17, 2008

Tilt-Shift Photography

Posted by Charley Parker at 9:18 am

Tilt-Shift Photography -
We have a tendency to think of photography as “realistic” because it often seems to reproduce what we see with reasonable accuracy, but photography and human perception often diverge significantly.

You may have noticed when looking at photographs of small objects, models, dioramas or model train layouts, that there is a limited range of the scene that is in focus. This is due to the limited focal length of camera lenses when focused at short distances.

A fascinating practice that has become popular in the last couple of years is “tilt-shift photography”, the use of techniques involving tilting the lens relative to the plane of the scene, often from a high vantage point, mimicking the way small objects are often photographed from above, and using a large aperture (lens opening), creating a shallow depth of field, to produce photographs of real scenes and objects that look like miniatures.

There is a good selection of this kind of photography in a recent article on Smashing Magazine that serves as a nice introduction to the phenomenon if you haven’t encountered it before; and a resource for further investigation if you have. The article also includes some tilt-shift videos and some links to related resources.

It’s uncanny how strong the effect can be. Even when you know the scenes or objects are real, it’s difficult to shift out of the perception that you’re looking at objects in miniature.

Something to think about the next time you’re tempted to refer to a realist painting as “photographic”.

[Images above: Tiltshiftphotography.net and Tilt-Shift Photography: It’s A Small World After All]

Posted in: Vision and Optics   |   4 Comments »

4 comments for Tilt-Shift Photography »

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  1. Comment by Daniel van Benthuysen
    Monday, November 17, 2008 @ 9:26 am

    The same effect can be obtained for almost any photograph using the Gaussian Blur function in Photoshop. The blur should be applied to the near-foreground and far-background to create the tilt-shift effect.

  2. Comment by Charley Parker
    Monday, November 17, 2008 @ 9:30 am

    Thanks, Dan. Yes, this can be done with creative masking and blurring, though I think it can be less dramatic than the effect of actual depth of field limits unless you take a lot of trouble in the areas were the blurred and unblurred areas meet.

  3. Comment by Tanja
    Monday, November 17, 2008 @ 12:05 pm

    Funny you should post this today — I happened to be watching Masterpiece: Contemporary’s interesting presentation of “Filth” on PBS last night and I thought that it seemed that they were using this as part of their filming technique in the show (at least in the beginning) to emphasize Mrs. Whitehouse’s small town view of her happy, idealistic little world which then hit up against the BBC’s attempt to provide a broader modern view with shows of the “swinging sixties” London to their audiences.
    http://www.pbs.org/wgbh/masterpiece/filth/index.html

  4. Comment by Tobias
    Monday, November 17, 2008 @ 2:17 pm

    I would hazard that both of these photographs are produced using the photoshop blur / masking technique. They both contain impossible blurring of objects that share the same depth as objects in focus.
    In the first picture notice the horizontal signs to the very centre-left; they’re blurred, yet they are clearly in line with the bus which is perfectly in focus. Notice how the same signs are more blurred towards the top than the bottom, how is this possible? Furthermore, there are no objects in the photo that are minutely out of focus, everything simply becomes heavily out of focus.

    In the second picture, notice the road to the bottom right, it appears perfectly in focus right to the bottom of the picture. Yet, how is this possible when the row of flats, to the left which are at the same distance appear totally blurred?

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