Having optical element between object and recording medium:
(under subclass 1) Subject matter comprising systems for producing holograms in which an optical element, such as a lens, grating, mask, or mirror is located in the path of the light between the object whose image is to be recorded and the holos:graphic recording medium and systems for reconstructing an image from such holograms in which an equivalent optical element having an equivalent spatial location relative to the holo-gram must be used during readout.