The camera system consisted of Nikon D2X + Adapter + Hasselblad Bellows + Cine Lens 250mm f/8
This is shown in photo 2 from the camera back view.
A metal tube of length calculated using the simple physics optics lens formula 1/u + 1/v = 1/f where u, v & f represented object distance, image distance, n focal length of the lens. This was machined n fitted into the lens at one end n the other end fitted to an adapter.
The whole camera was set-up with frontal n back view as shown below.
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