Time-lapse Camera Movement
Some of the most stunning time-lapse images are created by moving the camera during the shot. A time-lapse camera can be mounted to a moving car for example to create a notion of extreme speed.
However, to achieve the effect of a simple tracking shot, it is necessary to use motion control to move the camera. A motion control rig can be set to dolly or pan the camera at a glacially slow pace. When the image is projected it could appear that the camera is moving at a normal speed while the world around it is in time lapse. This juxtaposition can greatly heighten the time-lapse illusion.
The speed that the camera must move to create a perceived normal camera motion can be calculated by inverting the time-lapse equation:
Baraka was one of the first films to use this effect to its extreme. Director and cinematographer Ron Fricke designed his own motion control equipment that utilized stepper motors to pan, tilt and dolly the camera.
A panning time-lapse can be easily and inexpensively achieved by using a widely available Equatorial telescope mount with a Right ascension motor (*360 degree example using this method). Two axis pans can be achieved as well, with contemporary motorized telescope mounts.
A variation of these are rigs that move the camera during exposures of each frame of film, blurring the entire image. Under controlled conditions, usually with computers carefully making the movements during and between each frame, some exciting blurred artistic and visual effects can be achieved, especially when the camera is mounted on a tracking system that enables its own movement through space.
The most classic example of this is the slit-scan opening of the stargate sequence toward the end of Stanley Kubrick's 2001: A Space Odyssey (1968), created by Douglas Trumbull.
Read more about this topic: Time-lapse Photography
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