Today's featured picture

Strip photography

This image shows Car 10 of the San Francisco cable car system photographed using strip photography, a technique that captures a two-dimensional image as a sequence of single-dimensional images over time. This technique can be implemented in various ways; in film photography, a camera with a vertical slit aperture can either have fixed film and a moving slit, or a fixed slit and moving film. One of the characteristics of strip photography is that moving objects are distorted based on the relative speed of their motion and the image capture. Slower-moving objects occupy more time, and thus appear wider, while faster-moving objects are narrower, as they occupy the slit for a shorter period of time. Stationary objects, particularly in the background, are rendered as a constant stripe.

Photograph credit: Dllu

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