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In this method, you will need to have two identical cameras. The idea is the place the cameras side by side, as close as possible, so that every image is taken by the two cameras in the same time. These images can later on be combined into a single 3D image using special software.

In order to position the camera next to each other in a way that provides portability, you would want to create your own special camera base. A basic camera base should consist of a rectangle piece of metal (although wood or plastic should also do the trick), with two parallel holes, one for each camera. Ideally, you would want to have a gap of 2.5 inches (6.5 centimeters) between the holes, however, most digital cameras cannot be positioned that close (the distance we care about is the one between the centers of both camera lenses).

In order to get as close as possible to the ideal camera gap, simply place both camera next to each other and measure the distance between the center of their lenses. This is the distance that you should keep between the two holes. Two things to notes:

  • Cameras differ in size and so the distance between the center of two adjacent cameras is different for different types of cameras. If given a choice, you should prefer cameras of small width.
  • A way to reduce the distance between the lenses center of two cameras is by keeping one of them upside-down. That is because very often the lens is not located in the absolute middle of the camera. This method is more complicated to work with since the manual controls for the two cameras are opposite. It will also require a rotation of one of the produced images, so that they can fit together.