Shot this out of the office window today using Canon 550D and Canon 24 to 105 f/4L lens. Using the Magic Lantern "hack", the in-built intervalometer was set to take a shot every 2 seconds, making sure that the lens was set to MANUAL focus and that the camera was in AV (aperture priority) mode to ensure that the exposure was maintained through a change in shutter speed. Using AV ensures that the aperture remains constant, and thus, the depth of field remains constant too.
The 500 or so images were then taken into Quicktime Player 7 before exporting the sequence using Apple ProRes 422 (LT) with a 1920 x 1080 crop (as the original JPEG images have a 3:2 aspect ratio) before using the Variable Blur filter in Apple's MOTION.
The final sequence was graded using Magic Bullet Quick Looks and exported to MPEG4.
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