| 摘要 |
An optical instrument which allows for perspective viewing of an anaglyphic image with minimal optical distortion. In one embodiment, the instrument relies upon anaglyphic lenses with one lens being formed of a first primary color and a second lens comprised of at least one other primary color. In one aspect, either one or both of the lenses has a diopter strength greater than a conventional filter. In another aspect, one of the lenses has a diopter optical strength greater than that of the other and which thereby reduces distortions which may otherwise arise. Thus, one lens will have a lower diopter than the other. In another embodiment of the invention, a lens density difference between two lenses are used. One lens has a greater density then the other lens within a specified amount. The color variance between two lenses is also specified.
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