| 摘要 |
It comprises a first prism ( 10, 10 a, 10 b), with triangular base, on which is arranged at least one second transparent prism ( 2, 11 ) the combination defining a prismatic body which is arranged on the stereoscopic pair so that, when the user's eyes ( 13, 14 ) are positioned in front of the upper face of the prismatic body, each eye visualises the corresponding stereogram ( 3, 4 ) via the upper face of the prismatic body, reproducing the three-dimensional vision effect. In an embodiment of the invention the second prism ( 2, 11 ) is triangular and provision has been made for a third prism ( 12, 15 ) of identical configuration to the above, in which case the stereoscopic photographs/images ( 3, 4 ) are divided into halves A, B, C, D which are duly arranged for achieving three-dimensional visualisation. It comprises illumination equipment ( 5 ), some lenses ( 8, 8 a) and a directional filter ( 9 ).
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