| http://www.w3.org/ns/prov#value | - In a system where the two exposures occurred simultaneously, a plurality of optical elements, such as lenses and beam splitters, would have to be included, which would take the light emanat ing from imaging system 212, and which would divide this light into four beams, each of which created an image of object 11 at substantially the sam place on recording medium 225.
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